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d08a2711-ee8b-4323-bdec-b7d85e892b31
PUA - CsExec Execution
Detects the use of the lesser known remote execution tool named CsExec a PsExec alternative
windows
process_creation
title: PUA - CsExec Execution id: d08a2711-ee8b-4323-bdec-b7d85e892b31 status: test description: Detects the use of the lesser known remote execution tool named CsExec a PsExec alternative references: - https://github.com/malcomvetter/CSExec - https://www.microsoft.com/security/blog/2022/05/09/ransomware-as-a-service-u...
[ "T1587.001", "T1569.002" ]
[ "resource-development", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/malcomvetter/CSExec", "https://www.microsoft.com/security/blog/2022/05/09/ransomware-as-a-service-understanding-the-cybercrime-gig-economy-and-how-to-protect-yourself/" ]
Image="*\\csexec.exe" OR Description="csexec"
Image:*\\csexec.exe OR Description:csexec
DeviceProcessEvents | where FolderPath endswith "\\csexec.exe" or ProcessVersionInfoFileDescription =~ "csexec"
windows/process_creation/proc_creation_win_pua_csexec.yml
ccd55945-badd-4bae-936b-823a735d37dd
Github Push Protection Disabled
Detects if the push protection feature is disabled for an organization, enterprise, repositories or custom pattern rules.
github
audit
title: Github Push Protection Disabled id: ccd55945-badd-4bae-936b-823a735d37dd status: test description: Detects if the push protection feature is disabled for an organization, enterprise, repositories or custom pattern rules. references: - https://docs.github.com/en/enterprise-cloud@latest/code-security/secret-scan...
[ "T1685" ]
[ "defense-impairment" ]
high
test
[ "Allowed administrative activities." ]
[ "https://docs.github.com/en/enterprise-cloud@latest/code-security/secret-scanning/push-protection-for-repositories-and-organizations", "https://thehackernews.com/2024/03/github-rolls-out-default-secret.html" ]
action IN ("business_secret_scanning_custom_pattern_push_protection.disabled", "business_secret_scanning_push_protection.disable", "business_secret_scanning_push_protection.disabled_for_new_repos", "org.secret_scanning_custom_pattern_push_protection_disabled", "org.secret_scanning_push_protection_disable", "org.secret_...
action:(business_secret_scanning_custom_pattern_push_protection.disabled OR business_secret_scanning_push_protection.disable OR business_secret_scanning_push_protection.disabled_for_new_repos OR org.secret_scanning_custom_pattern_push_protection_disabled OR org.secret_scanning_push_protection_disable OR org.secret_scan...
null
application/github/audit/github_push_protection_disabled.yml
6902955a-01b7-432c-b32a-6f5f81d8f625
LSASS Process Dump Artefact In CrashDumps Folder
Detects the presence of an LSASS dump file in the "CrashDumps" folder. This could be a sign of LSASS credential dumping. Techniques such as the LSASS Shtinkering have been seen abusing the Windows Error Reporting to dump said process.
windows
file_event
title: LSASS Process Dump Artefact In CrashDumps Folder id: 6902955a-01b7-432c-b32a-6f5f81d8f625 status: test description: Detects the presence of an LSASS dump file in the "CrashDumps" folder. This could be a sign of LSASS credential dumping. Techniques such as the LSASS Shtinkering have been seen abusing the Window...
[ "T1003.001" ]
[ "credential-access" ]
high
test
[ "Rare legitimate dump of the process by the operating system due to a crash of lsass" ]
[ "https://github.com/deepinstinct/Lsass-Shtinkering", "https://media.defcon.org/DEF%20CON%2030/DEF%20CON%2030%20presentations/Asaf%20Gilboa%20-%20LSASS%20Shtinkering%20Abusing%20Windows%20Error%20Reporting%20to%20Dump%20LSASS.pdf" ]
TargetFilename="C:\\Windows\\System32\\config\\systemprofile\\AppData\\Local\\CrashDumps\\*" TargetFilename="*lsass.exe.*" TargetFilename="*.dmp"
TargetFilename:C\:\\Windows\\System32\\config\\systemprofile\\AppData\\Local\\CrashDumps\\* AND TargetFilename:*lsass.exe.* AND TargetFilename:*.dmp
DeviceFileEvents | where FolderPath startswith "C:\\Windows\\System32\\config\\systemprofile\\AppData\\Local\\CrashDumps\\" and FolderPath contains "lsass.exe." and FolderPath endswith ".dmp"
windows/file/file_event/file_event_win_lsass_shtinkering.yml
f88e112a-21aa-44bd-9b01-6ee2a2bbbed1
Failed Logon From Public IP
Detects a failed logon attempt from a public IP. A login from a public IP can indicate a misconfigured firewall or network boundary.
windows
security
title: Failed Logon From Public IP id: f88e112a-21aa-44bd-9b01-6ee2a2bbbed1 status: test description: Detects a failed logon attempt from a public IP. A login from a public IP can indicate a misconfigured firewall or network boundary. references: - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/wi...
[ "T1078", "T1190", "T1133" ]
[ "privilege-escalation", "initial-access", "persistence", "stealth" ]
medium
test
[ "Legitimate logon attempts over the internet", "IPv4-to-IPv6 mapped IPs" ]
[ "https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4625" ]
EventID=4625 NOT (IpAddress="*-*" OR IpAddress="::1/128" OR IpAddress="10.0.0.0/8" OR IpAddress="127.0.0.0/8" OR IpAddress="172.16.0.0/12" OR IpAddress="192.168.0.0/16" OR IpAddress="169.254.0.0/16" OR IpAddress="fc00::/7" OR IpAddress="fe80::/10")
EventID:4625 AND (NOT (IpAddress:*\-* OR (IpAddress:\:\:1\/128 OR IpAddress:10.0.0.0\/8 OR IpAddress:127.0.0.0\/8 OR IpAddress:172.16.0.0\/12 OR IpAddress:192.168.0.0\/16 OR IpAddress:169.254.0.0\/16 OR IpAddress:fc00\:\:\/7 OR IpAddress:fe80\:\:\/10)))
null
windows/builtin/security/account_management/win_security_susp_failed_logon_source.yml
c39f0c81-7348-4965-ab27-2fde35a1b641
DCOM InternetExplorer.Application Iertutil DLL Hijack - Security
Detects a threat actor creating a file named `iertutil.dll` in the `C:\Program Files\Internet Explorer\` directory over the network for a DCOM InternetExplorer DLL Hijack scenario.
windows
security
title: DCOM InternetExplorer.Application Iertutil DLL Hijack - Security id: c39f0c81-7348-4965-ab27-2fde35a1b641 status: test description: Detects a threat actor creating a file named `iertutil.dll` in the `C:\Program Files\Internet Explorer\` directory over the network for a DCOM InternetExplorer DLL Hijack scenario...
[ "T1021.002", "T1021.003" ]
[ "lateral-movement" ]
high
test
[ "Unknown" ]
[ "https://threathunterplaybook.com/hunts/windows/201009-RemoteDCOMIErtUtilDLLHijack/notebook.html" ]
EventID=5145 RelativeTargetName="*\\Internet Explorer\\iertutil.dll" NOT SubjectUserName="*$"
(EventID:5145 AND RelativeTargetName:*\\Internet\ Explorer\\iertutil.dll) AND (NOT SubjectUserName:*$)
null
windows/builtin/security/win_security_dcom_iertutil_dll_hijack.yml
0dba975d-a193-4ed1-a067-424df57570d1
Uncommon Network Connection Initiated By Certutil.EXE
Detects a network connection initiated by the certutil.exe utility. Attackers can abuse the utility in order to download malware or additional payloads.
windows
network_connection
title: Uncommon Network Connection Initiated By Certutil.EXE id: 0dba975d-a193-4ed1-a067-424df57570d1 status: test description: 'Detects a network connection initiated by the certutil.exe utility. Attackers can abuse the utility in order to download malware or additional payloads. ' references: - https://learn.mi...
[ "T1105" ]
[ "command-and-control" ]
high
test
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/certutil" ]
Image="*\\certutil.exe" Initiated="true" DestinationPort IN (80, 135, 443, 445)
Image:*\\certutil.exe AND Initiated:true AND (DestinationPort:(80 OR 135 OR 443 OR 445))
DeviceNetworkEvents | where InitiatingProcessFolderPath endswith "\\certutil.exe" and (RemotePort in~ ("80", "135", "443", "445"))
windows/network_connection/net_connection_win_certutil_initiated_connection.yml
6b65c28e-11f3-46cb-902a-68f2cafaf474
Odbcconf.EXE Suspicious DLL Location
Detects execution of "odbcconf" where the path of the DLL being registered is located in a potentially suspicious location.
windows
process_creation
title: Odbcconf.EXE Suspicious DLL Location id: 6b65c28e-11f3-46cb-902a-68f2cafaf474 status: test description: Detects execution of "odbcconf" where the path of the DLL being registered is located in a potentially suspicious location. references: - https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-serv...
[ "T1218.008" ]
[ "stealth" ]
high
test
[ "Unlikely" ]
[ "https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16", "https://www.trendmicro.com/en_us/research/17/h/backdoor-carrying-emails-set-sights-on-russian-speaking-businesses.html", "https://securityintelligence.com/posts/raspberry-robin-worm-dridex-malware/" ]
Image="*\\odbcconf.exe" OR OriginalFileName="odbcconf.exe" CommandLine IN ("*:\\PerfLogs\\*", "*:\\ProgramData\\*", "*:\\Temp\\*", "*:\\Users\\Public\\*", "*:\\Windows\\Registration\\CRMLog*", "*:\\Windows\\System32\\com\\dmp\\*", "*:\\Windows\\System32\\FxsTmp\\*", "*:\\Windows\\System32\\Microsoft\\Crypto\\RSA\\Machi...
(Image:*\\odbcconf.exe OR OriginalFileName:odbcconf.exe) AND (CommandLine:(*\:\\PerfLogs\\* OR *\:\\ProgramData\\* OR *\:\\Temp\\* OR *\:\\Users\\Public\\* OR *\:\\Windows\\Registration\\CRMLog* OR *\:\\Windows\\System32\\com\\dmp\\* OR *\:\\Windows\\System32\\FxsTmp\\* OR *\:\\Windows\\System32\\Microsoft\\Crypto\\RSA...
DeviceProcessEvents | where (FolderPath endswith "\\odbcconf.exe" or ProcessVersionInfoOriginalFileName =~ "odbcconf.exe") and (ProcessCommandLine contains ":\\PerfLogs\\" or ProcessCommandLine contains ":\\ProgramData\\" or ProcessCommandLine contains ":\\Temp\\" or ProcessCommandLine contains ":\\Users\\Public\\" or ...
windows/process_creation/proc_creation_win_odbcconf_exec_susp_locations.yml
41504465-5e3a-4a5b-a5b4-2a0baadd4463
PsExec Tool Execution From Suspicious Locations - PipeName
Detects PsExec default pipe creation where the image executed is located in a suspicious location. Which could indicate that the tool is being used in an attack
windows
pipe_created
title: PsExec Tool Execution From Suspicious Locations - PipeName id: 41504465-5e3a-4a5b-a5b4-2a0baadd4463 related: - id: f3f3a972-f982-40ad-b63c-bca6afdfad7c type: derived status: test description: Detects PsExec default pipe creation where the image executed is located in a suspicious location. Which could indica...
[ "T1569.002" ]
[ "execution" ]
medium
test
[ "Rare legitimate use of psexec from the locations mentioned above. This will require initial tuning based on your environment." ]
[ "https://www.jpcert.or.jp/english/pub/sr/ir_research.html", "https://jpcertcc.github.io/ToolAnalysisResultSheet" ]
PipeName="\\PSEXESVC" Image IN ("*:\\Users\\Public\\*", "*:\\Windows\\Temp\\*", "*\\AppData\\Local\\Temp\\*", "*\\Desktop\\*", "*\\Downloads\\*")
PipeName:\\PSEXESVC AND (Image:(*\:\\Users\\Public\\* OR *\:\\Windows\\Temp\\* OR *\\AppData\\Local\\Temp\\* OR *\\Desktop\\* OR *\\Downloads\\*))
null
windows/pipe_created/pipe_created_sysinternals_psexec_default_pipe_susp_location.yml
208748f7-881d-47ac-a29c-07ea84bf691d
Suspicious Outlook Child Process
Detects a suspicious process spawning from an Outlook process.
windows
process_creation
title: Suspicious Outlook Child Process id: 208748f7-881d-47ac-a29c-07ea84bf691d related: - id: 438025f9-5856-4663-83f7-52f878a70a50 type: derived - id: e212d415-0e93-435f-9e1a-f29005bb4723 type: derived status: test description: Detects a suspicious process spawning from an Outlook process. references: - https://w...
[ "T1204.002" ]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://www.hybrid-analysis.com/sample/465aabe132ccb949e75b8ab9c5bda36d80cf2fd503d52b8bad54e295f28bbc21?environmentId=100", "https://mgreen27.github.io/posts/2018/04/02/DownloadCradle.html" ]
ParentImage="*\\OUTLOOK.EXE" Image IN ("*\\AppVLP.exe", "*\\bash.exe", "*\\cmd.exe", "*\\cscript.exe", "*\\forfiles.exe", "*\\hh.exe", "*\\mftrace.exe", "*\\msbuild.exe", "*\\msdt.exe", "*\\mshta.exe", "*\\msiexec.exe", "*\\powershell.exe", "*\\pwsh.exe", "*\\regsvr32.exe", "*\\schtasks.exe", "*\\scrcons.exe", "*\\scri...
ParentImage:*\\OUTLOOK.EXE AND (Image:(*\\AppVLP.exe OR *\\bash.exe OR *\\cmd.exe OR *\\cscript.exe OR *\\forfiles.exe OR *\\hh.exe OR *\\mftrace.exe OR *\\msbuild.exe OR *\\msdt.exe OR *\\mshta.exe OR *\\msiexec.exe OR *\\powershell.exe OR *\\pwsh.exe OR *\\regsvr32.exe OR *\\schtasks.exe OR *\\scrcons.exe OR *\\scrip...
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\OUTLOOK.EXE" and (FolderPath endswith "\\AppVLP.exe" or FolderPath endswith "\\bash.exe" or FolderPath endswith "\\cmd.exe" or FolderPath endswith "\\cscript.exe" or FolderPath endswith "\\forfiles.exe" or FolderPath endswith "\\hh.exe" or FolderPath e...
windows/process_creation/proc_creation_win_office_outlook_susp_child_processes.yml
086ae989-9ca6-4fe7-895a-759c5544f247
Potential Persistence Via TypedPaths
Detects modification addition to the 'TypedPaths' key in the user or admin registry from a non standard application. Which might indicate persistence attempt
windows
registry_set
title: Potential Persistence Via TypedPaths id: 086ae989-9ca6-4fe7-895a-759c5544f247 status: test description: Detects modification addition to the 'TypedPaths' key in the user or admin registry from a non standard application. Which might indicate persistence attempt references: - https://twitter.com/dez_/status/156...
[]
[ "persistence" ]
high
test
[ "Unlikely" ]
[ "https://twitter.com/dez_/status/1560101453150257154", "https://forensafe.com/blogs/typedpaths.html" ]
TargetObject="*\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\TypedPaths\\*" NOT (Image IN ("C:\\Windows\\explorer.exe", "C:\\Windows\\SysWOW64\\explorer.exe"))
TargetObject:*\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\TypedPaths\\* AND (NOT (Image:(C\:\\Windows\\explorer.exe OR C\:\\Windows\\SysWOW64\\explorer.exe)))
DeviceRegistryEvents | where RegistryKey endswith "\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\TypedPaths*" and (not((InitiatingProcessFolderPath in~ ("C:\\Windows\\explorer.exe", "C:\\Windows\\SysWOW64\\explorer.exe"))))
windows/registry/registry_set/registry_set_persistence_typed_paths.yml
dfb5b4e8-91d0-4291-b40a-e3b0d3942c45
Potential Persistence Via Shim Database Modification
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by application shims. The Microsoft Windows Application Compatibility Infrastructure/Framework (Application Shim) was created to allow for backward compatibility of software as the operating system codebase changes ...
windows
registry_set
title: Potential Persistence Via Shim Database Modification id: dfb5b4e8-91d0-4291-b40a-e3b0d3942c45 status: test description: 'Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by application shims. The Microsoft Windows Application Compatibility Infrastructu...
[ "T1546.011" ]
[ "privilege-escalation", "persistence" ]
medium
test
[ "Legitimate custom SHIM installations will also trigger this rule" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1546.011/T1546.011.md#atomic-test-3---registry-key-creation-andor-modification-events-for-sdb", "https://www.fireeye.com/blog/threat-research/2017/05/fin7-shim-databases-persistence.html", "https://andreafortu...
TargetObject IN ("*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\InstalledSDB\\*", "*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Custom\\*") NOT (Details="" OR Details="(Empty)" OR NOT Details=*)
(TargetObject:(*\\SOFTWARE\\Microsoft\\Windows\ NT\\CurrentVersion\\AppCompatFlags\\InstalledSDB\\* OR *\\SOFTWARE\\Microsoft\\Windows\ NT\\CurrentVersion\\AppCompatFlags\\Custom\\*)) AND (NOT (Details:"" OR Details:\(Empty\) OR (NOT _exists_:Details)))
DeviceRegistryEvents | where (RegistryKey endswith "\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\InstalledSDB*" or RegistryKey endswith "\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Custom*") and (not((RegistryValueData =~ "" or RegistryValueData =~ "(Empty)" or isnull(Regist...
windows/registry/registry_set/registry_set_persistence_shim_database.yml
ec1d5e28-8f3b-4188-a6f8-6e8df81dc28e
WMI Persistence - Script Event Consumer
Detects the execution of a script event consumer. When scrcons.exe launches, it does so in response to the creation of an ActiveScriptEventConsumer instance and will execute registered JScript or VBScript code as a result. Script event consumers are a built-in Windows Management Instrumentation (WMI) class that automat...
windows
process_creation
title: WMI Persistence - Script Event Consumer id: ec1d5e28-8f3b-4188-a6f8-6e8df81dc28e status: test description: 'Detects the execution of a script event consumer. When scrcons.exe launches, it does so in response to the creation of an ActiveScriptEventConsumer instance and will execute registered JScript or VBSc...
[ "T1546.003" ]
[ "persistence", "privilege-escalation" ]
medium
test
[ "Legitimate event consumers", "Dell computers on some versions register an event consumer that is known to cause false positives when brightness is changed by the corresponding keyboard button" ]
[ "https://redcanary.com/blog/threat-detection/child-processes/", "https://www.eideon.com/2018-03-02-THL03-WMIBackdoors/" ]
Image="C:\\WINDOWS\\system32\\wbem\\scrcons.exe" ParentImage="C:\\Windows\\System32\\svchost.exe"
Image:C\:\\WINDOWS\\system32\\wbem\\scrcons.exe AND ParentImage:C\:\\Windows\\System32\\svchost.exe
DeviceProcessEvents | where FolderPath =~ "C:\\WINDOWS\\system32\\wbem\\scrcons.exe" and InitiatingProcessFolderPath =~ "C:\\Windows\\System32\\svchost.exe"
windows/process_creation/proc_creation_win_wmi_persistence_script_event_consumer.yml
4a241dea-235b-4a7e-8d76-50d817b146c4
Suspicious PowerShell Mailbox Export to Share - PS
Detects usage of the powerShell New-MailboxExportRequest Cmdlet to exports a mailbox to a remote or local share, as used in ProxyShell exploitations
windows
ps_script
title: Suspicious PowerShell Mailbox Export to Share - PS id: 4a241dea-235b-4a7e-8d76-50d817b146c4 related: - id: 889719ef-dd62-43df-86c3-768fb08dc7c0 type: derived status: test description: Detects usage of the powerShell New-MailboxExportRequest Cmdlet to exports a mailbox to a remote or local share, as used in P...
[]
[ "exfiltration" ]
critical
test
[ "Unknown" ]
[ "https://youtu.be/5mqid-7zp8k?t=2481", "https://blog.orange.tw/2021/08/proxylogon-a-new-attack-surface-on-ms-exchange-part-1.html", "https://peterjson.medium.com/reproducing-the-proxyshell-pwn2own-exploit-49743a4ea9a1", "https://m365internals.com/2022/10/07/hunting-in-on-premises-exchange-server-logs/" ]
ScriptBlockText="*New-MailboxExportRequest*" ScriptBlockText="* -Mailbox *" ScriptBlockText="* -FilePath \\\\*"
ScriptBlockText:*New\-MailboxExportRequest* AND ScriptBlockText:*\ \-Mailbox\ * AND ScriptBlockText:*\ \-FilePath\ \\\\*
null
windows/powershell/powershell_script/posh_ps_mailboxexport_share.yml
545a5da6-f103-4919-a519-e9aec1026ee4
Microsoft Malware Protection Engine Crash
This rule detects a suspicious crash of the Microsoft Malware Protection Engine
windows
application
title: Microsoft Malware Protection Engine Crash id: 545a5da6-f103-4919-a519-e9aec1026ee4 related: - id: 6c82cf5c-090d-4d57-9188-533577631108 type: similar status: test description: This rule detects a suspicious crash of the Microsoft Malware Protection Engine references: - https://bugs.chromium.org/p/project-zero/i...
[ "T1211", "T1685" ]
[ "stealth", "defense-impairment" ]
high
test
[ "MsMpEng might crash if the \"C:\\\" partition is full" ]
[ "https://bugs.chromium.org/p/project-zero/issues/detail?id=1252&desc=5", "https://technet.microsoft.com/en-us/library/security/4022344" ]
Provider_Name="Application Error" EventID=1000 Data="*MsMpEng.exe*" Data="*mpengine.dll*"
Provider_Name:"Application Error" AND EventID:1000 AND (Data:*MsMpEng.exe* AND Data:*mpengine.dll*)
null
windows/builtin/application/application_error/win_application_error_msmpeng_crash.yml
692f0bec-83ba-4d04-af7e-e884a96059b6
Potential WMI Lateral Movement WmiPrvSE Spawned PowerShell
Detects Powershell as a child of the WmiPrvSE process. Which could be a sign of lateral movement via WMI.
windows
process_creation
title: Potential WMI Lateral Movement WmiPrvSE Spawned PowerShell id: 692f0bec-83ba-4d04-af7e-e884a96059b6 related: - id: 8a582fe2-0882-4b89-a82a-da6b2dc32937 type: similar - id: d21374ff-f574-44a7-9998-4a8c8bf33d7d type: similar status: stable description: Detects Powershell as a child of the WmiPrvSE process. Whi...
[ "T1047", "T1059.001" ]
[ "execution" ]
medium
stable
[ "AppvClient", "CCM", "WinRM" ]
[ "https://any.run/report/68bc255f9b0db6a0d30a8f2dadfbee3256acfe12497bf93943bc1eab0735e45e/a2385d6f-34f7-403c-90d3-b1f9d2a90a5e" ]
ParentImage="*\\WmiPrvSE.exe" Image IN ("*\\powershell.exe", "*\\pwsh.exe") OR OriginalFileName IN ("PowerShell.EXE", "pwsh.dll")
ParentImage:*\\WmiPrvSE.exe AND ((Image:(*\\powershell.exe OR *\\pwsh.exe)) OR (OriginalFileName:(PowerShell.EXE OR pwsh.dll)))
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\WmiPrvSE.exe" and ((FolderPath endswith "\\powershell.exe" or FolderPath endswith "\\pwsh.exe") or (ProcessVersionInfoOriginalFileName in~ ("PowerShell.EXE", "pwsh.dll")))
windows/process_creation/proc_creation_win_wmiprvse_spawns_powershell.yml
396ae3eb-4174-4b9b-880e-dc0364d78a19
Potential Persistence Via Outlook LoadMacroProviderOnBoot Setting
Detects the modification of Outlook setting "LoadMacroProviderOnBoot" which if enabled allows the automatic loading of any configured VBA project/module
windows
registry_set
title: Potential Persistence Via Outlook LoadMacroProviderOnBoot Setting id: 396ae3eb-4174-4b9b-880e-dc0364d78a19 status: test description: Detects the modification of Outlook setting "LoadMacroProviderOnBoot" which if enabled allows the automatic loading of any configured VBA project/module references: - https://spe...
[ "T1137", "T1008", "T1546" ]
[ "privilege-escalation", "persistence", "command-and-control" ]
high
test
[ "Unknown" ]
[ "https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=53", "https://www.linkedin.com/pulse/outlook-backdoor-using-vba-samir-b-/" ]
TargetObject="*\\Outlook\\LoadMacroProviderOnBoot" Details="*0x00000001*"
TargetObject:*\\Outlook\\LoadMacroProviderOnBoot AND Details:*0x00000001*
DeviceRegistryEvents | where RegistryKey endswith "\\Outlook\\LoadMacroProviderOnBoot" and RegistryValueData contains "0x00000001"
windows/registry/registry_set/registry_set_office_outlook_enable_load_macro_provider_on_boot.yml
eb2fd349-ec67-4caa-9143-d79c7fb34441
Suspicious GPO Discovery With Get-GPO
Detect use of Get-GPO to get one GPO or all the GPOs in a domain.
windows
ps_script
title: Suspicious GPO Discovery With Get-GPO id: eb2fd349-ec67-4caa-9143-d79c7fb34441 status: test description: Detect use of Get-GPO to get one GPO or all the GPOs in a domain. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1615/T1615.md - https://le...
[ "T1615" ]
[ "discovery" ]
low
test
[ "Legitimate PowerShell scripts" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1615/T1615.md", "https://learn.microsoft.com/en-us/powershell/module/grouppolicy/get-gpo?view=windowsserver2022-ps" ]
ScriptBlockText="*Get-GPO*"
ScriptBlockText:*Get\-GPO*
null
windows/powershell/powershell_script/posh_ps_susp_get_gpo.yml
a01b8329-5953-4f73-ae2d-aa01e1f35f00
AspNetCompiler Execution
Detects execution of "aspnet_compiler.exe" which can be abused to compile and execute C# code.
windows
process_creation
title: AspNetCompiler Execution id: a01b8329-5953-4f73-ae2d-aa01e1f35f00 related: - id: 9ccba514-7cb6-4c5c-b377-700758f2f120 type: similar - id: 4c7f49ee-2638-43bb-b85b-ce676c30b260 type: similar - id: 9f50fe98-fe5c-4a2d-86c7-fad7f63ed622 type: similar status: test description: Detects execution of "aspnet_compil...
[ "T1127" ]
[ "execution", "stealth" ]
medium
test
[ "Unknown" ]
[ "https://lolbas-project.github.io/lolbas/Binaries/Aspnet_Compiler/", "https://ijustwannared.team/2020/08/01/the-curious-case-of-aspnet_compiler-exe/" ]
Image IN ("*:\\Windows\\Microsoft.NET\\Framework\\*", "*:\\Windows\\Microsoft.NET\\Framework64\\*", "*:\\Windows\\Microsoft.NET\\FrameworkArm\\*", "*:\\Windows\\Microsoft.NET\\FrameworkArm64\\*") Image="*\\aspnet_compiler.exe"
(Image:(*\:\\Windows\\Microsoft.NET\\Framework\\* OR *\:\\Windows\\Microsoft.NET\\Framework64\\* OR *\:\\Windows\\Microsoft.NET\\FrameworkArm\\* OR *\:\\Windows\\Microsoft.NET\\FrameworkArm64\\*)) AND Image:*\\aspnet_compiler.exe
DeviceProcessEvents | where (FolderPath contains ":\\Windows\\Microsoft.NET\\Framework\\" or FolderPath contains ":\\Windows\\Microsoft.NET\\Framework64\\" or FolderPath contains ":\\Windows\\Microsoft.NET\\FrameworkArm\\" or FolderPath contains ":\\Windows\\Microsoft.NET\\FrameworkArm64\\") and FolderPath endswith "\\...
windows/process_creation/proc_creation_win_aspnet_compiler_exectuion.yml
37e4024a-6c80-4d8f-b95d-2e7e94f3a8d1
Outbound Network Connection Initiated By Microsoft Dialer
Detects outbound network connection initiated by Microsoft Dialer. The Microsoft Dialer, also known as Phone Dialer, is a built-in utility application included in various versions of the Microsoft Windows operating system. Its primary function is to provide users with a graphical interface for managing phone calls via ...
windows
network_connection
title: Outbound Network Connection Initiated By Microsoft Dialer id: 37e4024a-6c80-4d8f-b95d-2e7e94f3a8d1 status: test description: 'Detects outbound network connection initiated by Microsoft Dialer. The Microsoft Dialer, also known as Phone Dialer, is a built-in utility application included in various versions of t...
[ "T1071.001" ]
[ "execution", "command-and-control" ]
high
test
[ "In Modern Windows systems, unable to see legitimate usage of this process, However, if an organization has legitimate purpose for this there can be false positives." ]
[ "https://tria.ge/240301-rk34sagf5x/behavioral2", "https://app.any.run/tasks/6720b85b-9c53-4a12-b1dc-73052a78477d", "https://research.checkpoint.com/2023/rhadamanthys-v0-5-0-a-deep-dive-into-the-stealers-components/", "https://strontic.github.io/xcyclopedia/library/dialer.exe-0B69655F912619756C704A0BF716B61F.h...
Image="*:\\Windows\\System32\\dialer.exe" Initiated="true" NOT (DestinationIp="127.0.0.0/8" OR DestinationIp="10.0.0.0/8" OR DestinationIp="172.16.0.0/12" OR DestinationIp="192.168.0.0/16" OR DestinationIp="169.254.0.0/16" OR DestinationIp="::1/128" OR DestinationIp="fe80::/10" OR DestinationIp="fc00::/7")
(Image:*\:\\Windows\\System32\\dialer.exe AND Initiated:true) AND (NOT (DestinationIp:127.0.0.0\/8 OR DestinationIp:10.0.0.0\/8 OR DestinationIp:172.16.0.0\/12 OR DestinationIp:192.168.0.0\/16 OR DestinationIp:169.254.0.0\/16 OR DestinationIp:\:\:1\/128 OR DestinationIp:fe80\:\:\/10 OR DestinationIp:fc00\:\:\/7))
DeviceNetworkEvents | where InitiatingProcessFolderPath endswith ":\\Windows\\System32\\dialer.exe" and (not((ipv4_is_in_range(RemoteIP, "127.0.0.0/8") or ipv4_is_in_range(RemoteIP, "10.0.0.0/8") or ipv4_is_in_range(RemoteIP, "172.16.0.0/12") or ipv4_is_in_range(RemoteIP, "192.168.0.0/16") or ipv4_is_in_range(RemoteIP,...
windows/network_connection/net_connection_win_dialer_initiated_connection.yml
e4f93c99-396f-47c8-bb0f-201b1fa69034
Potential Data Exfiltration Via Audio File
Detects potential exfiltration attempt via audio file using PowerShell
windows
ps_script
title: Potential Data Exfiltration Via Audio File id: e4f93c99-396f-47c8-bb0f-201b1fa69034 status: test description: Detects potential exfiltration attempt via audio file using PowerShell references: - https://github.com/gtworek/PSBits/blob/e97cbbb173b31cbc4d37244d3412de0a114dacfb/NoDLP/bin2wav.ps1 author: Nasreddine B...
[]
[ "exfiltration" ]
medium
test
[ "Unknown" ]
[ "https://github.com/gtworek/PSBits/blob/e97cbbb173b31cbc4d37244d3412de0a114dacfb/NoDLP/bin2wav.ps1" ]
ScriptBlockText="*[System.Math]::*" ScriptBlockText="*[IO.FileMode]::*" ScriptBlockText="*BinaryWriter*" ScriptBlockText="*0x52*" ScriptBlockText="*0x49*" ScriptBlockText="*0x46*" ScriptBlockText="*0x57*" ScriptBlockText="*0x41*" ScriptBlockText="*0x56*" ScriptBlockText="*0x45*" ScriptBlockText="*0xAC*"
(ScriptBlockText:*\[System.Math\]\:\:* AND ScriptBlockText:*\[IO.FileMode\]\:\:* AND ScriptBlockText:*BinaryWriter*) AND (ScriptBlockText:*0x52* AND ScriptBlockText:*0x49* AND ScriptBlockText:*0x46* AND ScriptBlockText:*0x57* AND ScriptBlockText:*0x41* AND ScriptBlockText:*0x56* AND ScriptBlockText:*0x45* AND ScriptBlo...
null
windows/powershell/powershell_script/posh_ps_audio_exfiltration.yml
821b4dc3-1295-41e7-b157-39ab212dd6bd
Sign-In From Malware Infected IP
Indicates sign-ins from IP addresses infected with malware that is known to actively communicate with a bot server.
azure
riskdetection
title: Sign-In From Malware Infected IP id: 821b4dc3-1295-41e7-b157-39ab212dd6bd status: test description: Indicates sign-ins from IP addresses infected with malware that is known to actively communicate with a bot server. references: - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-r...
[ "T1090" ]
[ "command-and-control" ]
high
test
[ "Using an IP address that is shared by many users" ]
[ "https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malware-linked-ip-address-deprecated", "https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins" ]
riskEventType="malwareInfectedIPAddress"
riskEventType:malwareInfectedIPAddress
null
cloud/azure/identity_protection/azure_identity_protection_malware_linked_ip.yml
7f2bb9d5-6395-4de5-969c-70c11fbe6b12
Split A File Into Pieces
Detection use of the command "split" to split files into parts and possible transfer.
macos
process_creation
title: Split A File Into Pieces id: 7f2bb9d5-6395-4de5-969c-70c11fbe6b12 status: test description: Detection use of the command "split" to split files into parts and possible transfer. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1030/T1030.md autho...
[ "T1030" ]
[ "exfiltration" ]
low
test
[ "Legitimate administrative activity" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1030/T1030.md" ]
Image="*/split"
Image:*\/split
DeviceProcessEvents | where FolderPath endswith "/split"
macos/process_creation/proc_creation_macos_split_file_into_pieces.yml
66474410-b883-415f-9f8d-75345a0a66a6
DNS Query To MEGA Hosting Website - DNS Client
Detects DNS queries for subdomains related to MEGA sharing website
windows
dns-client
title: DNS Query To MEGA Hosting Website - DNS Client id: 66474410-b883-415f-9f8d-75345a0a66a6 related: - id: 613c03ba-0779-4a53-8a1f-47f914a4ded3 type: similar status: test description: Detects DNS queries for subdomains related to MEGA sharing website references: - https://research.nccgroup.com/2021/05/27/detecting...
[ "T1567.002" ]
[ "exfiltration" ]
medium
test
[ "Legitimate DNS queries and usage of Mega" ]
[ "https://research.nccgroup.com/2021/05/27/detecting-rclone-an-effective-tool-for-exfiltration/" ]
EventID=3008 QueryName="*userstorage.mega.co.nz*"
EventID:3008 AND QueryName:*userstorage.mega.co.nz*
null
windows/builtin/dns_client/win_dns_client_mega_nz.yml
3037d961-21e9-4732-b27a-637bcc7bf539
Suspicious High IntegrityLevel Conhost Legacy Option
ForceV1 asks for information directly from the kernel space. Conhost connects to the console application. High IntegrityLevel means the process is running with elevated privileges, such as an Administrator context.
windows
process_creation
title: Suspicious High IntegrityLevel Conhost Legacy Option id: 3037d961-21e9-4732-b27a-637bcc7bf539 status: test description: ForceV1 asks for information directly from the kernel space. Conhost connects to the console application. High IntegrityLevel means the process is running with elevated privileges, such as an...
[ "T1202" ]
[ "stealth" ]
informational
test
[ "Very Likely, including launching cmd.exe via Run As Administrator" ]
[ "https://cybercryptosec.medium.com/covid-19-cyber-infection-c615ead7c29", "https://thedfirreport.com/2022/04/04/stolen-images-campaign-ends-in-conti-ransomware/", "https://learn.microsoft.com/en-us/windows/win32/secauthz/mandatory-integrity-control" ]
IntegrityLevel IN ("High", "S-1-16-12288") CommandLine="*conhost.exe*" CommandLine="*0xffffffff*" CommandLine="*-ForceV1*"
(IntegrityLevel:(High OR S\-1\-16\-12288)) AND (CommandLine:*conhost.exe* AND CommandLine:*0xffffffff* AND CommandLine:*\-ForceV1*)
DeviceProcessEvents | where (ProcessIntegrityLevel in~ ("High", "S-1-16-12288")) and (ProcessCommandLine contains "conhost.exe" and ProcessCommandLine contains "0xffffffff" and ProcessCommandLine contains "-ForceV1")
windows/process_creation/proc_creation_win_conhost_legacy_option.yml
059c5af9-5131-4d8d-92b2-de4ad6146712
LiveKD Driver Creation By Uncommon Process
Detects the creation of the LiveKD driver by a process image other than "livekd.exe".
windows
file_event
title: LiveKD Driver Creation By Uncommon Process id: 059c5af9-5131-4d8d-92b2-de4ad6146712 related: - id: 16fe46bb-4f64-46aa-817d-ff7bec4a2352 type: similar status: test description: Detects the creation of the LiveKD driver by a process image other than "livekd.exe". references: - Internal Research author: Nasreddin...
[]
[ "privilege-escalation", "stealth" ]
high
test
[ "Administrators might rename LiveKD before its usage which could trigger this. Add additional names you use to the filter" ]
[ "Internal Research" ]
TargetFilename="C:\\Windows\\System32\\drivers\\LiveKdD.SYS" NOT (Image IN ("*\\livekd.exe", "*\\livek64.exe"))
TargetFilename:C\:\\Windows\\System32\\drivers\\LiveKdD.SYS AND (NOT (Image:(*\\livekd.exe OR *\\livek64.exe)))
DeviceFileEvents | where FolderPath =~ "C:\\Windows\\System32\\drivers\\LiveKdD.SYS" and (not((InitiatingProcessFolderPath endswith "\\livekd.exe" or InitiatingProcessFolderPath endswith "\\livek64.exe")))
windows/file/file_event/file_event_win_sysinternals_livekd_driver_susp_creation.yml
4f6edb78-5c21-42ab-a558-fd2a6fc1fd57
Potential 7za.DLL Sideloading
Detects potential DLL sideloading of "7za.dll"
windows
image_load
title: Potential 7za.DLL Sideloading id: 4f6edb78-5c21-42ab-a558-fd2a6fc1fd57 status: test description: Detects potential DLL sideloading of "7za.dll" references: - https://www.gov.pl/attachment/ee91f24d-3e67-436d-aa50-7fa56acf789d author: X__Junior date: 2023-06-09 tags: - attack.persistence - attack.privilege-escalat...
[ "T1574.001" ]
[ "persistence", "privilege-escalation", "execution", "stealth" ]
low
test
[ "Legitimate third party application located in \"AppData\" may leverage this DLL to offer 7z compression functionality and may generate false positives. Apply additional filters as needed." ]
[ "https://www.gov.pl/attachment/ee91f24d-3e67-436d-aa50-7fa56acf789d" ]
ImageLoaded="*\\7za.dll" NOT (Image IN ("C:\\Program Files (x86)\\*", "C:\\Program Files\\*") ImageLoaded IN ("C:\\Program Files (x86)\\*", "C:\\Program Files\\*"))
ImageLoaded:*\\7za.dll AND (NOT ((Image:(C\:\\Program\ Files\ \(x86\)\\* OR C\:\\Program\ Files\\*)) AND (ImageLoaded:(C\:\\Program\ Files\ \(x86\)\\* OR C\:\\Program\ Files\\*))))
DeviceImageLoadEvents | where FolderPath endswith "\\7za.dll" and (not(((InitiatingProcessFolderPath startswith "C:\\Program Files (x86)\\" or InitiatingProcessFolderPath startswith "C:\\Program Files\\") and (FolderPath startswith "C:\\Program Files (x86)\\" or FolderPath startswith "C:\\Program Files\\"))))
windows/image_load/image_load_side_load_7za.yml
1a5fefe6-734f-452e-a07d-fc1c35bce4b2
Firewall Rule Deleted Via Netsh.EXE
Detects the removal of a port or application rule in the Windows Firewall configuration using netsh
windows
process_creation
title: Firewall Rule Deleted Via Netsh.EXE id: 1a5fefe6-734f-452e-a07d-fc1c35bce4b2 status: test description: Detects the removal of a port or application rule in the Windows Firewall configuration using netsh references: - https://app.any.run/tasks/8bbd5b4c-b82d-4e6d-a3ea-d454594a37cc/ author: frack113 date: 2022-08-1...
[ "T1686.003" ]
[ "defense-impairment" ]
medium
test
[ "Legitimate administration activity", "Software installations and removal" ]
[ "https://app.any.run/tasks/8bbd5b4c-b82d-4e6d-a3ea-d454594a37cc/" ]
Image="*\\netsh.exe" OR OriginalFileName="netsh.exe" CommandLine="*firewall*" CommandLine="*delete *" NOT ((ParentImage="*\\Dropbox.exe" CommandLine="*name=Dropbox*") OR (ParentImage="*\\instup.exe" CommandLine="*advfirewall firewall delete rule name=\"Avast Antivirus Admin Client\"*"))
((Image:*\\netsh.exe OR OriginalFileName:netsh.exe) AND (CommandLine:*firewall* AND CommandLine:*delete\ *)) AND (NOT ((ParentImage:*\\Dropbox.exe AND CommandLine:*name\=Dropbox*) OR (ParentImage:*\\instup.exe AND CommandLine:*advfirewall\ firewall\ delete\ rule\ name\=\"Avast\ Antivirus\ Admin\ Client\"*)))
DeviceProcessEvents | where ((FolderPath endswith "\\netsh.exe" or ProcessVersionInfoOriginalFileName =~ "netsh.exe") and (ProcessCommandLine contains "firewall" and ProcessCommandLine contains "delete ")) and (not(((InitiatingProcessFolderPath endswith "\\Dropbox.exe" and ProcessCommandLine contains "name=Dropbox") or...
windows/process_creation/proc_creation_win_netsh_fw_delete_rule.yml
402e1e1d-ad59-47b6-bf80-1ee44985b3a7
Malicious ShellIntel PowerShell Commandlets
Detects Commandlet names from ShellIntel exploitation scripts.
windows
ps_script
title: Malicious ShellIntel PowerShell Commandlets id: 402e1e1d-ad59-47b6-bf80-1ee44985b3a7 status: test description: Detects Commandlet names from ShellIntel exploitation scripts. references: - https://github.com/Shellntel/scripts/ author: Max Altgelt (Nextron Systems), Tobias Michalski (Nextron Systems) date: 2021-08...
[ "T1059.001" ]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/Shellntel/scripts/" ]
ScriptBlockText IN ("*Invoke-SMBAutoBrute*", "*Invoke-GPOLinks*", "*Invoke-Potato*")
ScriptBlockText:(*Invoke\-SMBAutoBrute* OR *Invoke\-GPOLinks* OR *Invoke\-Potato*)
null
windows/powershell/powershell_script/posh_ps_shellintel_malicious_commandlets.yml
f35c5d71-b489-4e22-a115-f003df287317
Potential CobaltStrike Process Patterns
Detects potential process patterns related to Cobalt Strike beacon activity
windows
process_creation
title: Potential CobaltStrike Process Patterns id: f35c5d71-b489-4e22-a115-f003df287317 status: test description: Detects potential process patterns related to Cobalt Strike beacon activity references: - https://hausec.com/2021/07/26/cobalt-strike-and-tradecraft/ - https://thedfirreport.com/2021/08/29/cobalt-strike-a-d...
[ "T1059" ]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://hausec.com/2021/07/26/cobalt-strike-and-tradecraft/", "https://thedfirreport.com/2021/08/29/cobalt-strike-a-defenders-guide/" ]
(CommandLine="*cmd.exe /C whoami" ParentImage="C:\\Temp\\*") OR (ParentImage IN ("*\\runonce.exe", "*\\dllhost.exe") CommandLine="*cmd.exe /c echo*" CommandLine="*> \\\\.\\pipe*") OR (ParentCommandLine="*cmd.exe /C echo*" ParentCommandLine="* > \\\\.\\pipe*" CommandLine="*conhost.exe 0xffffffff -ForceV1") OR (ParentCom...
(CommandLine:*cmd.exe\ \/C\ whoami AND ParentImage:C\:\\Temp\\*) OR ((ParentImage:(*\\runonce.exe OR *\\dllhost.exe)) AND (CommandLine:*cmd.exe\ \/c\ echo* AND CommandLine:*\>\ \\\\.\\pipe*)) OR ((ParentCommandLine:*cmd.exe\ \/C\ echo* AND ParentCommandLine:*\ \>\ \\\\.\\pipe*) AND CommandLine:*conhost.exe\ 0xffffffff\...
DeviceProcessEvents | where (ProcessCommandLine endswith "cmd.exe /C whoami" and InitiatingProcessFolderPath startswith "C:\\Temp\\") or ((InitiatingProcessFolderPath endswith "\\runonce.exe" or InitiatingProcessFolderPath endswith "\\dllhost.exe") and (ProcessCommandLine contains "cmd.exe /c echo" and ProcessCommandLi...
windows/process_creation/proc_creation_win_hktl_cobaltstrike_process_patterns.yml
6b269392-9eba-40b5-acb6-55c882b20ba6
Suspicious File Drop by Exchange
Detects suspicious file type dropped by an Exchange component in IIS
windows
file_event
title: Suspicious File Drop by Exchange id: 6b269392-9eba-40b5-acb6-55c882b20ba6 related: - id: bd1212e5-78da-431e-95fa-c58e3237a8e6 type: similar status: test description: Detects suspicious file type dropped by an Exchange component in IIS references: - https://www.microsoft.com/security/blog/2022/09/30/analyzing-a...
[ "T1190", "T1505.003" ]
[ "persistence", "initial-access" ]
medium
test
[ "Unknown" ]
[ "https://www.microsoft.com/security/blog/2022/09/30/analyzing-attacks-using-the-exchange-vulnerabilities-cve-2022-41040-and-cve-2022-41082/", "https://www.gteltsc.vn/blog/canh-bao-chien-dich-tan-cong-su-dung-lo-hong-zero-day-tren-microsoft-exchange-server-12714.html", "https://en.gteltsc.vn/blog/cap-nhat-nhe-ve...
Image="*\\w3wp.exe" CommandLine="*MSExchange*" TargetFilename IN ("*.aspx", "*.asp", "*.ashx", "*.ps1", "*.bat", "*.exe", "*.dll", "*.vbs")
(Image:*\\w3wp.exe AND CommandLine:*MSExchange*) AND (TargetFilename:(*.aspx OR *.asp OR *.ashx OR *.ps1 OR *.bat OR *.exe OR *.dll OR *.vbs))
DeviceFileEvents | where (InitiatingProcessFolderPath endswith "\\w3wp.exe" and InitiatingProcessCommandLine contains "MSExchange") and (FolderPath endswith ".aspx" or FolderPath endswith ".asp" or FolderPath endswith ".ashx" or FolderPath endswith ".ps1" or FolderPath endswith ".bat" or FolderPath endswith ".exe" or F...
windows/file/file_event/file_event_win_exchange_webshell_drop_suspicious.yml
5f92fff9-82e2-48eb-8fc1-8b133556a551
Remote Encrypting File System Abuse
Detects remote RPC calls to possibly abuse remote encryption service via MS-EFSR
rpc_firewall
application
title: Remote Encrypting File System Abuse id: 5f92fff9-82e2-48eb-8fc1-8b133556a551 status: test description: Detects remote RPC calls to possibly abuse remote encryption service via MS-EFSR references: - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942 - https://github.com/jsecurity101/MSRPC-to-ATT...
[]
[ "lateral-movement" ]
high
test
[ "Legitimate usage of remote file encryption" ]
[ "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942", "https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-EFSR.md", "https://github.com/zeronetworks/rpcfirewall", "https://zeronetworks.com/blog/stopping-lateral-movement-via-the-rpc-fire...
EventLog="RPCFW" EventID=3 InterfaceUuid IN ("df1941c5-fe89-4e79-bf10-463657acf44d", "c681d488-d850-11d0-8c52-00c04fd90f7e")
EventLog:RPCFW AND EventID:3 AND (InterfaceUuid:(df1941c5\-fe89\-4e79\-bf10\-463657acf44d OR c681d488\-d850\-11d0\-8c52\-00c04fd90f7e))
null
application/rpc_firewall/rpc_firewall_efs_abuse.yml
a94cdd87-6c54-4678-a6cc-2814ffe5a13d
Unix Shell Configuration Modification
Detect unix shell configuration modification. Adversaries may establish persistence through executing malicious commands triggered when a new shell is opened.
linux
auditd
title: Unix Shell Configuration Modification id: a94cdd87-6c54-4678-a6cc-2814ffe5a13d related: - id: e74e15cc-c4b6-4c80-b7eb-dfe49feb7fe9 type: obsolete status: test description: Detect unix shell configuration modification. Adversaries may establish persistence through executing malicious commands triggered when a...
[ "T1546.004" ]
[ "privilege-escalation", "persistence" ]
medium
test
[ "Admin or User activity are expected to generate some false positives" ]
[ "https://objective-see.org/blog/blog_0x68.html", "https://web.archive.org/web/20221204161143/https://www.glitch-cat.com/p/green-lambert-and-attack", "https://www.anomali.com/blog/pulling-linux-rabbit-rabbot-malware-out-of-a-hat" ]
type="PATH" name IN ("/etc/shells", "/etc/profile", "/etc/profile.d/*", "/etc/bash.bashrc", "/etc/bashrc", "/etc/zsh/zprofile", "/etc/zsh/zshrc", "/etc/zsh/zlogin", "/etc/zsh/zlogout", "/etc/csh.cshrc", "/etc/csh.login", "/root/.bashrc", "/root/.bash_profile", "/root/.profile", "/root/.zshrc", "/root/.zprofile", "/home...
type:PATH AND (name:(\/etc\/shells OR \/etc\/profile OR \/etc\/profile.d\/* OR \/etc\/bash.bashrc OR \/etc\/bashrc OR \/etc\/zsh\/zprofile OR \/etc\/zsh\/zshrc OR \/etc\/zsh\/zlogin OR \/etc\/zsh\/zlogout OR \/etc\/csh.cshrc OR \/etc\/csh.login OR \/root\/.bashrc OR \/root\/.bash_profile OR \/root\/.profile OR \/root\/...
null
linux/auditd/path/lnx_auditd_unix_shell_configuration_modification.yml
47e4bab7-c626-47dc-967b-255608c9a920
Permission Misconfiguration Reconnaissance Via Findstr.EXE
Detects usage of findstr with the "EVERYONE" or "BUILTIN" keywords. This was seen being used in combination with "icacls" and other utilities to spot misconfigured files or folders permissions.
windows
process_creation
title: Permission Misconfiguration Reconnaissance Via Findstr.EXE id: 47e4bab7-c626-47dc-967b-255608c9a920 status: test description: 'Detects usage of findstr with the "EVERYONE" or "BUILTIN" keywords. This was seen being used in combination with "icacls" and other utilities to spot misconfigured files or folders pe...
[ "T1552.006" ]
[ "credential-access" ]
medium
test
[ "Unknown" ]
[ "https://www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/" ]
(Image IN ("*\\find.exe", "*\\findstr.exe") OR OriginalFileName IN ("FIND.EXE", "FINDSTR.EXE") CommandLine IN ("*\"Everyone\"*", "*'Everyone'*", "*\"BUILTIN\\\"*", "*'BUILTIN\\'*")) OR (CommandLine="*icacls *" CommandLine="*findstr *" CommandLine="*Everyone*")
(((Image:(*\\find.exe OR *\\findstr.exe)) OR (OriginalFileName:(FIND.EXE OR FINDSTR.EXE))) AND (CommandLine:(*\"Everyone\"* OR *'Everyone'* OR *\"BUILTIN\\\"* OR *'BUILTIN\\'*))) OR (CommandLine:*icacls\ * AND CommandLine:*findstr\ * AND CommandLine:*Everyone*)
DeviceProcessEvents | where (((FolderPath endswith "\\find.exe" or FolderPath endswith "\\findstr.exe") or (ProcessVersionInfoOriginalFileName in~ ("FIND.EXE", "FINDSTR.EXE"))) and (ProcessCommandLine contains "\"Everyone\"" or ProcessCommandLine contains "'Everyone'" or ProcessCommandLine contains "\"BUILTIN\\\"" or P...
windows/process_creation/proc_creation_win_findstr_recon_everyone.yml
b6188d2f-b3c4-4d2c-a17d-9706e0851af0
Potential Goopdate.DLL Sideloading
Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe
windows
image_load
title: Potential Goopdate.DLL Sideloading id: b6188d2f-b3c4-4d2c-a17d-9706e0851af0 status: test description: Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe references: - https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig...
[ "T1574.001" ]
[ "persistence", "privilege-escalation", "execution", "stealth" ]
medium
test
[ "False positives are expected from Google Chrome installations running from user locations (AppData) and other custom locations. Apply additional filters accordingly.", "Other third party chromium browsers located in AppData" ]
[ "https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig.pdf" ]
ImageLoaded="*\\goopdate.dll" NOT (ImageLoaded IN ("C:\\Program Files (x86)\\*", "C:\\Program Files\\*")) NOT ((Image="*\\AppData\\Local\\Temp\\GUM*" Image="*.tmp\\Dropbox*" ImageLoaded="*\\AppData\\Local\\Temp\\GUM*" ImageLoaded="*.tmp\\goopdate.dll*") OR (Image IN ("*\\AppData\\Local\\Temp\\GUM*", "*:\\Windows\\Syste...
ImageLoaded:*\\goopdate.dll AND (NOT (ImageLoaded:(C\:\\Program\ Files\ \(x86\)\\* OR C\:\\Program\ Files\\*))) AND (NOT (((Image:*\\AppData\\Local\\Temp\\GUM* AND Image:*.tmp\\Dropbox*) AND (ImageLoaded:*\\AppData\\Local\\Temp\\GUM* AND ImageLoaded:*.tmp\\goopdate.dll*)) OR ((Image:(*\\AppData\\Local\\Temp\\GUM* OR *\...
DeviceImageLoadEvents | where FolderPath endswith "\\goopdate.dll" and (not((FolderPath startswith "C:\\Program Files (x86)\\" or FolderPath startswith "C:\\Program Files\\"))) and (not((((InitiatingProcessFolderPath contains "\\AppData\\Local\\Temp\\GUM" and InitiatingProcessFolderPath contains ".tmp\\Dropbox") and (F...
windows/image_load/image_load_side_load_goopdate.yml
e5b33f7d-eb93-48b6-9851-09e1e610b6d7
Credential Dumping Attempt Via WerFault
Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up.
windows
process_access
title: Credential Dumping Attempt Via WerFault id: e5b33f7d-eb93-48b6-9851-09e1e610b6d7 status: test description: Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up. refe...
[ "T1003.001" ]
[ "credential-access" ]
high
test
[ "Actual failures in lsass.exe that trigger a crash dump (unlikely)", "Unknown cases in which WerFault accesses lsass.exe" ]
[ "https://github.com/helpsystems/nanodump/commit/578116faea3d278d53d70ea932e2bbfe42569507" ]
SourceImage="*\\WerFault.exe" TargetImage="*\\lsass.exe" GrantedAccess="0x1FFFFF"
SourceImage:*\\WerFault.exe AND TargetImage:*\\lsass.exe AND GrantedAccess:0x1FFFFF
null
windows/process_access/proc_access_win_lsass_werfault.yml
2d1b83e4-17c6-4896-a37b-29140b40a788
Google Workspace User Granted Admin Privileges
Detects when an Google Workspace user is granted admin privileges.
gcp
google_workspace.admin
title: Google Workspace User Granted Admin Privileges id: 2d1b83e4-17c6-4896-a37b-29140b40a788 status: test description: Detects when an Google Workspace user is granted admin privileges. references: - https://cloud.google.com/logging/docs/audit/gsuite-audit-logging#3 - https://developers.google.com/admin-sdk/reports/v...
[ "T1098" ]
[ "privilege-escalation", "persistence" ]
medium
test
[ "Google Workspace admin role privileges, may be modified by system administrators." ]
[ "https://cloud.google.com/logging/docs/audit/gsuite-audit-logging#3", "https://developers.google.com/admin-sdk/reports/v1/appendix/activity/admin-user-settings#GRANT_ADMIN_PRIVILEGE" ]
eventService="admin.googleapis.com" eventName IN ("GRANT_DELEGATED_ADMIN_PRIVILEGES", "GRANT_ADMIN_PRIVILEGE")
eventService:admin.googleapis.com AND (eventName:(GRANT_DELEGATED_ADMIN_PRIVILEGES OR GRANT_ADMIN_PRIVILEGE))
null
cloud/gcp/gworkspace/admin/gcp_gworkspace_user_granted_admin_privileges.yml
b48492dc-c5ef-4572-8dff-32bc241c15c8
Load Of RstrtMgr.DLL By A Suspicious Process
Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process. This library has been used during ransomware campaigns to kill processes that would prevent file encryption by locking them (e.g. Conti ransomware, Cactus ransomware). It has also recently been seen used by the BiBi wiper for Windows. It could ...
windows
image_load
title: Load Of RstrtMgr.DLL By A Suspicious Process id: b48492dc-c5ef-4572-8dff-32bc241c15c8 related: - id: 3669afd2-9891-4534-a626-e5cf03810a61 type: derived status: test description: 'Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process. This library has been used during ransomware campaign...
[ "T1486", "T1685" ]
[ "impact", "defense-impairment" ]
high
test
[ "Processes related to software installation" ]
[ "https://www.crowdstrike.com/blog/windows-restart-manager-part-1/", "https://www.crowdstrike.com/blog/windows-restart-manager-part-2/", "https://web.archive.org/web/20231221193106/https://www.swascan.com/cactus-ransomware-malware-analysis/", "https://taiwan.postsen.com/business/88601/Hamas-hackers-use-data-de...
ImageLoaded="*\\RstrtMgr.dll" OR OriginalFileName="RstrtMgr.dll" Image IN ("*:\\Perflogs\\*", "*:\\Users\\Public\\*", "*\\Temporary Internet*") OR (Image="*:\\Users\\*" Image="*\\Favorites\\*") OR (Image="*:\\Users\\*" Image="*\\Favourites\\*") OR (Image="*:\\Users\\*" Image="*\\Contacts\\*")
(ImageLoaded:*\\RstrtMgr.dll OR OriginalFileName:RstrtMgr.dll) AND ((Image:(*\:\\Perflogs\\* OR *\:\\Users\\Public\\* OR *\\Temporary\ Internet*)) OR ((Image:*\:\\Users\\* AND Image:*\\Favorites\\*) OR (Image:*\:\\Users\\* AND Image:*\\Favourites\\*) OR (Image:*\:\\Users\\* AND Image:*\\Contacts\\*)))
DeviceImageLoadEvents | where (FolderPath endswith "\\RstrtMgr.dll" or InitiatingProcessVersionInfoOriginalFileName =~ "RstrtMgr.dll") and ((InitiatingProcessFolderPath contains ":\\Perflogs\\" or InitiatingProcessFolderPath contains ":\\Users\\Public\\" or InitiatingProcessFolderPath contains "\\Temporary Internet") o...
windows/image_load/image_load_dll_rstrtmgr_suspicious_load.yml
e4d22291-f3d5-4b78-9a0c-a1fbaf32a6a4
Potentially Suspicious ODBC Driver Registered
Detects the registration of a new ODBC driver where the driver is located in a potentially suspicious location
windows
registry_set
title: Potentially Suspicious ODBC Driver Registered id: e4d22291-f3d5-4b78-9a0c-a1fbaf32a6a4 status: test description: Detects the registration of a new ODBC driver where the driver is located in a potentially suspicious location references: - https://www.hexacorn.com/blog/2020/08/23/odbcconf-lolbin-trifecta/ author: ...
[ "T1003" ]
[ "credential-access", "persistence" ]
high
test
[ "Unlikely" ]
[ "https://www.hexacorn.com/blog/2020/08/23/odbcconf-lolbin-trifecta/" ]
TargetObject="*\\SOFTWARE\\ODBC\\ODBCINST.INI\\*" TargetObject IN ("*\\Driver", "*\\Setup") Details IN ("*:\\PerfLogs\\*", "*:\\ProgramData\\*", "*:\\Temp\\*", "*:\\Users\\Public\\*", "*:\\Windows\\Registration\\CRMLog*", "*:\\Windows\\System32\\com\\dmp\\*", "*:\\Windows\\System32\\FxsTmp\\*", "*:\\Windows\\System32\\...
TargetObject:*\\SOFTWARE\\ODBC\\ODBCINST.INI\\* AND (TargetObject:(*\\Driver OR *\\Setup)) AND (Details:(*\:\\PerfLogs\\* OR *\:\\ProgramData\\* OR *\:\\Temp\\* OR *\:\\Users\\Public\\* OR *\:\\Windows\\Registration\\CRMLog* OR *\:\\Windows\\System32\\com\\dmp\\* OR *\:\\Windows\\System32\\FxsTmp\\* OR *\:\\Windows\\Sy...
DeviceRegistryEvents | where RegistryKey endswith "\\SOFTWARE\\ODBC\\ODBCINST.INI*" and (RegistryKey endswith "\\Driver" or RegistryKey endswith "\\Setup") and (RegistryValueData contains ":\\PerfLogs\\" or RegistryValueData contains ":\\ProgramData\\" or RegistryValueData contains ":\\Temp\\" or RegistryValueData cont...
windows/registry/registry_set/registry_set_odbc_driver_registered_susp.yml
86588b36-c6d3-465f-9cee-8f9093e07798
Scheduled Task Executing Payload from Registry
Detects the creation of a schtasks that potentially executes a payload stored in the Windows Registry using PowerShell.
windows
process_creation
title: Scheduled Task Executing Payload from Registry id: 86588b36-c6d3-465f-9cee-8f9093e07798 related: - id: c4eeeeae-89f4-43a7-8b48-8d1bdfa66c78 type: derived status: test description: Detects the creation of a schtasks that potentially executes a payload stored in the Windows Registry using PowerShell. references:...
[ "T1053.005", "T1059.001" ]
[ "privilege-escalation", "execution", "persistence" ]
medium
test
[ "Unknown" ]
[ "https://thedfirreport.com/2022/02/21/qbot-and-zerologon-lead-to-full-domain-compromise/" ]
Image="*\\schtasks.exe" OR OriginalFileName="schtasks.exe" CommandLine="*/Create*" CommandLine IN ("*Get-ItemProperty*", "* gp *") CommandLine IN ("*HKCU:*", "*HKLM:*", "*registry::*", "*HKEY_*") NOT (CommandLine IN ("*FromBase64String*", "*encodedcommand*"))
((Image:*\\schtasks.exe OR OriginalFileName:schtasks.exe) AND CommandLine:*\/Create* AND (CommandLine:(*Get\-ItemProperty* OR *\ gp\ *)) AND (CommandLine:(*HKCU\:* OR *HKLM\:* OR *registry\:\:* OR *HKEY_*))) AND (NOT (CommandLine:(*FromBase64String* OR *encodedcommand*)))
DeviceProcessEvents | where ((FolderPath endswith "\\schtasks.exe" or ProcessVersionInfoOriginalFileName =~ "schtasks.exe") and ProcessCommandLine contains "/Create" and (ProcessCommandLine contains "Get-ItemProperty" or ProcessCommandLine contains " gp ") and (ProcessCommandLine contains "HKCU:" or ProcessCommandLine ...
windows/process_creation/proc_creation_win_schtasks_reg_loader.yml
9212f354-7775-4e28-9c9f-8f0a4544e664
Active Directory Database Snapshot Via ADExplorer
Detects the execution of Sysinternals ADExplorer with the "-snapshot" flag in order to save a local copy of the active directory database. This can be used by attackers to extract data for Bloodhound, usernames for password spraying or use the meta data for social engineering. The snapshot doesn't contain password hash...
windows
process_creation
title: Active Directory Database Snapshot Via ADExplorer id: 9212f354-7775-4e28-9c9f-8f0a4544e664 related: - id: ef61af62-bc74-4f58-b49b-626448227652 type: derived status: test description: Detects the execution of Sysinternals ADExplorer with the "-snapshot" flag in order to save a local copy of the active directo...
[ "T1087.002", "T1069.002", "T1482" ]
[ "discovery" ]
medium
test
[ "Unknown" ]
[ "https://www.documentcloud.org/documents/5743766-Global-Threat-Report-2019.html", "https://learn.microsoft.com/de-de/sysinternals/downloads/adexplorer", "https://github.com/c3c/ADExplorerSnapshot.py/tree/f700904defac330802bbfedd1d8ffd9248f4ee24", "https://www.packetlabs.net/posts/scattered-spider-is-a-young-r...
Image IN ("*\\ADExp.exe", "*\\ADExplorer.exe", "*\\ADExplorer64.exe", "*\\ADExplorer64a.exe") OR OriginalFileName="AdExp" OR Description="Active Directory Editor" OR Product="Sysinternals ADExplorer" CommandLine="*snapshot*"
((Image:(*\\ADExp.exe OR *\\ADExplorer.exe OR *\\ADExplorer64.exe OR *\\ADExplorer64a.exe)) OR OriginalFileName:AdExp OR Description:"Active Directory Editor" OR Product:"Sysinternals ADExplorer") AND CommandLine:*snapshot*
DeviceProcessEvents | where ((FolderPath endswith "\\ADExp.exe" or FolderPath endswith "\\ADExplorer.exe" or FolderPath endswith "\\ADExplorer64.exe" or FolderPath endswith "\\ADExplorer64a.exe") or ProcessVersionInfoOriginalFileName =~ "AdExp" or ProcessVersionInfoFileDescription =~ "Active Directory Editor" or Proces...
windows/process_creation/proc_creation_win_sysinternals_adexplorer_execution.yml
6adfbf8f-52be-4444-9bac-81b539624146
Shell Execution via Find - Linux
Detects the use of the find command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or exploitation attempt.
linux
process_creation
title: Shell Execution via Find - Linux id: 6adfbf8f-52be-4444-9bac-81b539624146 status: test description: 'Detects the use of the find command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or exploitation attempt. ' references: - https://gtfobins.gi...
[ "T1083" ]
[ "discovery" ]
high
test
[ "Unknown" ]
[ "https://gtfobins.github.io/gtfobins/find/#shell", "https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html" ]
Image="*/find" CommandLine="* . *" CommandLine="*-exec*" CommandLine IN ("*/bin/bash*", "*/bin/dash*", "*/bin/fish*", "*/bin/sh*", "*/bin/zsh*")
(Image:*\/find AND (CommandLine:*\ .\ * AND CommandLine:*\-exec*)) AND (CommandLine:(*\/bin\/bash* OR *\/bin\/dash* OR *\/bin\/fish* OR *\/bin\/sh* OR *\/bin\/zsh*))
DeviceProcessEvents | where (FolderPath endswith "/find" and (ProcessCommandLine contains " . " and ProcessCommandLine contains "-exec")) and (ProcessCommandLine contains "/bin/bash" or ProcessCommandLine contains "/bin/dash" or ProcessCommandLine contains "/bin/fish" or ProcessCommandLine contains "/bin/sh" or Process...
linux/process_creation/proc_creation_lnx_find_shell_execution.yml
2c28c248-7f50-417a-9186-a85b223010ee
Wscript Shell Run In CommandLine
Detects the presence of the keywords "Wscript", "Shell" and "Run" in the command, which could indicate a suspicious activity
windows
process_creation
title: Wscript Shell Run In CommandLine id: 2c28c248-7f50-417a-9186-a85b223010ee status: test description: Detects the presence of the keywords "Wscript", "Shell" and "Run" in the command, which could indicate a suspicious activity references: - https://web.archive.org/web/20220830122045/http://blog.talosintelligence...
[ "T1059" ]
[ "execution" ]
medium
test
[ "Inline scripting can be used by some rare third party applications or administrators. Investigate and apply additional filters accordingly" ]
[ "https://web.archive.org/web/20220830122045/http://blog.talosintelligence.com/2022/08/modernloader-delivers-multiple-stealers.html", "https://blog.talosintelligence.com/modernloader-delivers-multiple-stealers-cryptominers-and-rats/" ]
CommandLine="*Wscript.*" CommandLine="*.Shell*" CommandLine="*.Run*"
CommandLine:*Wscript.* AND CommandLine:*.Shell* AND CommandLine:*.Run*
DeviceProcessEvents | where ProcessCommandLine contains "Wscript." and ProcessCommandLine contains ".Shell" and ProcessCommandLine contains ".Run"
windows/process_creation/proc_creation_win_mshta_inline_vbscript.yml
e0565f5d-d420-4e02-8a68-ac00d864f9cf
Automated Collection Bookmarks Using Get-ChildItem PowerShell
Adversaries may enumerate browser bookmarks to learn more about compromised hosts. Browser bookmarks may reveal personal information about users (ex: banking sites, interests, social media, etc.) as well as details about internal network resources such as servers, tools/dashboards, or other related infrastructure.
windows
ps_script
title: Automated Collection Bookmarks Using Get-ChildItem PowerShell id: e0565f5d-d420-4e02-8a68-ac00d864f9cf status: test description: 'Adversaries may enumerate browser bookmarks to learn more about compromised hosts. Browser bookmarks may reveal personal information about users (ex: banking sites, interests, soci...
[ "T1217" ]
[ "discovery" ]
low
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1217/T1217.md" ]
ScriptBlockText="*Get-ChildItem*" ScriptBlockText="* -Recurse *" ScriptBlockText="* -Path *" ScriptBlockText="* -Filter Bookmarks*" ScriptBlockText="* -ErrorAction SilentlyContinue*" ScriptBlockText="* -Force*"
ScriptBlockText:*Get\-ChildItem* AND ScriptBlockText:*\ \-Recurse\ * AND ScriptBlockText:*\ \-Path\ * AND ScriptBlockText:*\ \-Filter\ Bookmarks* AND ScriptBlockText:*\ \-ErrorAction\ SilentlyContinue* AND ScriptBlockText:*\ \-Force*
null
windows/powershell/powershell_script/posh_ps_get_childitem_bookmarks.yml
1712bafe-be05-4a0e-89d4-17a3ed151bf5
Potential Hello-World Scraper Botnet Activity
Detects network traffic potentially associated with a scraper botnet variant that uses the "Hello-World/1.0" user-agent string.
proxy
title: Potential Hello-World Scraper Botnet Activity id: 1712bafe-be05-4a0e-89d4-17a3ed151bf5 status: experimental description: 'Detects network traffic potentially associated with a scraper botnet variant that uses the "Hello-World/1.0" user-agent string. ' references: - https://www.greynoise.io/blog/new-scraper-...
[ "T1595" ]
[ "reconnaissance" ]
medium
experimental
[ "Legitimate network monitoring or vulnerability scanning tools that may use this generic user agent.", "Internal development or testing scripts. Consider filtering by source IP if this is expected from certain systems." ]
[ "https://www.greynoise.io/blog/new-scraper-botnet-concentrated-in-taiwan", "https://viz.greynoise.io/tags/hello-world-scraper-botnet?days=30" ]
"c-useragent"="Hello-World/1.0" "cs-method"="GET"
c-useragent:Hello\-World\/1.0 AND cs-method:GET
null
web/proxy_generic/proxy_hello_world_user_agent.yml
60936b49-fca0-4f32-993d-7415edcf9a5d
New Application in AppCompat
A General detection for a new application in AppCompat. This indicates an application executing for the first time on an endpoint.
windows
registry_set
title: New Application in AppCompat id: 60936b49-fca0-4f32-993d-7415edcf9a5d status: test description: A General detection for a new application in AppCompat. This indicates an application executing for the first time on an endpoint. references: - https://github.com/OTRF/detection-hackathon-apt29/issues/1 - https://g...
[ "T1204.002" ]
[ "execution" ]
informational
test
[ "This rule is to explore new applications on an endpoint. False positives depends on the organization.", "Newly setup system.", "Legitimate installation of new application." ]
[ "https://github.com/OTRF/detection-hackathon-apt29/issues/1", "https://github.com/OTRF/ThreatHunter-Playbook/blob/2d4257f630f4c9770f78d0c1df059f891ffc3fec/docs/evals/apt29/detections/1.A.1_DFD6A782-9BDB-4550-AB6B-525E825B095E.md" ]
TargetObject="*\\AppCompatFlags\\Compatibility Assistant\\Store\\*"
TargetObject:*\\AppCompatFlags\\Compatibility\ Assistant\\Store\\*
DeviceRegistryEvents | where RegistryKey endswith "\\AppCompatFlags\\Compatibility Assistant\\Store*"
windows/registry/registry_set/registry_set_new_application_appcompat.yml
f663a6d9-9d1b-49b8-b2b1-0637914d199a
Narrator's Feedback-Hub Persistence
Detects abusing Windows 10 Narrator's Feedback-Hub
windows
registry_event
title: Narrator's Feedback-Hub Persistence id: f663a6d9-9d1b-49b8-b2b1-0637914d199a status: test description: Detects abusing Windows 10 Narrator's Feedback-Hub references: - https://giuliocomi.blogspot.com/2019/10/abusing-windows-10-narrators-feedback.html author: Dmitriy Lifanov, oscd.community date: 2019-10-25 modif...
[ "T1547.001" ]
[ "privilege-escalation", "persistence" ]
high
test
[ "Unknown" ]
[ "https://giuliocomi.blogspot.com/2019/10/abusing-windows-10-narrators-feedback.html" ]
(EventType="DeleteValue" TargetObject="*\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\DelegateExecute") OR TargetObject="*\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\(Default)"
(EventType:DeleteValue AND TargetObject:*\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\DelegateExecute) OR TargetObject:*\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\\(Default\)
DeviceRegistryEvents | where (ActionType =~ "DeleteValue" and RegistryKey endswith "\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\DelegateExecute") or RegistryKey endswith "\\AppXypsaf9f1qserqevf0sws76dx4k9a5206\\Shell\\open\\command\\(Default)"
windows/registry/registry_event/registry_event_narrator_feedback_persistance.yml
0944e002-e3f6-4eb5-bf69-3a3067b53d73
PowerShell Set-Acl On Windows Folder
Detects PowerShell scripts to set the ACL to a file in the Windows folder
windows
process_creation
title: PowerShell Set-Acl On Windows Folder id: 0944e002-e3f6-4eb5-bf69-3a3067b53d73 related: - id: cae80281-ef23-44c5-873b-fd48d2666f49 type: derived - id: bdeb2cff-af74-4094-8426-724dc937f20a type: derived - id: 3bf1d859-3a7e-44cb-8809-a99e066d3478 type: derived status: test description: Detects PowerShell scri...
[]
[ "stealth" ]
high
test
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.security/set-acl?view=powershell-5.1", "https://github.com/redcanaryco/atomic-red-team/blob/74438b0237d141ee9c99747976447dc884cb1a39/atomics/T1505.005/T1505.005.md" ]
OriginalFileName IN ("PowerShell.EXE", "pwsh.dll") OR Image IN ("*\\powershell.exe", "*\\pwsh.exe") CommandLine="*Set-Acl *" CommandLine="*-AclObject *" CommandLine IN ("*-Path \"C:\\Windows*", "*-Path 'C:\\Windows*", "*-Path %windir%*", "*-Path $env:windir*") CommandLine IN ("*FullControl*", "*Allow*")
((OriginalFileName:(PowerShell.EXE OR pwsh.dll)) OR (Image:(*\\powershell.exe OR *\\pwsh.exe))) AND (CommandLine:*Set\-Acl\ * AND CommandLine:*\-AclObject\ *) AND (CommandLine:(*\-Path\ \"C\:\\Windows* OR *\-Path\ 'C\:\\Windows* OR *\-Path\ %windir%* OR *\-Path\ $env\:windir*)) AND (CommandLine:(*FullControl* OR *Allow...
DeviceProcessEvents | where ((ProcessVersionInfoOriginalFileName in~ ("PowerShell.EXE", "pwsh.dll")) or (FolderPath endswith "\\powershell.exe" or FolderPath endswith "\\pwsh.exe")) and (ProcessCommandLine contains "Set-Acl " and ProcessCommandLine contains "-AclObject ") and (ProcessCommandLine contains "-Path \"C:\\W...
windows/process_creation/proc_creation_win_powershell_set_acl_susp_location.yml
056c7317-9a09-4bd4-9067-d051312752ea
Powershell Executed From Headless ConHost Process
Detects the use of powershell commands from headless ConHost window. The "--headless" flag hides the windows from the user upon execution.
windows
process_creation
title: Powershell Executed From Headless ConHost Process id: 056c7317-9a09-4bd4-9067-d051312752ea related: - id: 00ca75ab-d5ce-43be-b86c-55ff39c6abfc type: derived status: test description: 'Detects the use of powershell commands from headless ConHost window. The "--headless" flag hides the windows from the user u...
[ "T1059.001", "T1059.003", "T1564.003" ]
[ "execution", "stealth" ]
medium
test
[ "Unknown" ]
[ "https://www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software" ]
Image="*\\conhost.exe" OR OriginalFileName="CONHOST.EXE" CommandLine="*--headless*" CommandLine="*powershell*"
(Image:*\\conhost.exe OR OriginalFileName:CONHOST.EXE) AND (CommandLine:*\-\-headless* AND CommandLine:*powershell*)
DeviceProcessEvents | where (FolderPath endswith "\\conhost.exe" or ProcessVersionInfoOriginalFileName =~ "CONHOST.EXE") and (ProcessCommandLine contains "--headless" and ProcessCommandLine contains "powershell")
windows/process_creation/proc_creation_win_conhost_headless_powershell.yml
6c220477-0b5b-4b25-bb90-66183b4089e8
Suspicious Inbox Forwarding
Detects when a Microsoft Cloud App Security reported suspicious email forwarding rules, for example, if a user created an inbox rule that forwards a copy of all emails to an external address.
m365
threat_management
title: Suspicious Inbox Forwarding id: 6c220477-0b5b-4b25-bb90-66183b4089e8 status: test description: Detects when a Microsoft Cloud App Security reported suspicious email forwarding rules, for example, if a user created an inbox rule that forwards a copy of all emails to an external address. references: - https://le...
[ "T1020" ]
[ "exfiltration" ]
low
test
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/defender-cloud-apps/anomaly-detection-policy", "https://learn.microsoft.com/en-us/defender-cloud-apps/policy-template-reference" ]
eventSource="SecurityComplianceCenter" eventName="Suspicious inbox forwarding" status="success"
eventSource:SecurityComplianceCenter AND eventName:"Suspicious inbox forwarding" AND status:success
null
cloud/m365/threat_management/microsoft365_susp_inbox_forwarding.yml
ceb407f6-8277-439b-951f-e4210e3ed956
Cisco Clear Logs
Clear command history in network OS which is used for defense evasion
cisco
aaa
title: Cisco Clear Logs id: ceb407f6-8277-439b-951f-e4210e3ed956 status: test description: Clear command history in network OS which is used for defense evasion references: - https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/sysmgmt/n5k-sysmgmt-cr/n5k-sm_cmds_c.html - https://www....
[ "T1070.003" ]
[ "stealth" ]
high
test
[ "Legitimate administrators may run these commands" ]
[ "https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/sysmgmt/n5k-sysmgmt-cr/n5k-sm_cmds_c.html", "https://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srmgtint.html#wp1127609" ]
"clear logging" OR "clear archive"
*clear\ logging* OR *clear\ archive*
null
network/cisco/aaa/cisco_cli_clear_logs.yml
7cccd811-7ae9-4ebe-9afd-cb5c406b824b
Potential Execution of Sysinternals Tools
Detects command lines that contain the 'accepteula' flag which could be a sign of execution of one of the Sysinternals tools
windows
process_creation
title: Potential Execution of Sysinternals Tools id: 7cccd811-7ae9-4ebe-9afd-cb5c406b824b related: - id: 25ffa65d-76d8-4da5-a832-3f2b0136e133 type: derived status: test description: Detects command lines that contain the 'accepteula' flag which could be a sign of execution of one of the Sysinternals tools reference...
[ "T1588.002" ]
[ "resource-development" ]
low
test
[ "Legitimate use of SysInternals tools", "Programs that use the same command line flag" ]
[ "https://twitter.com/Moti_B/status/1008587936735035392" ]
CommandLine="* -accepteula*" OR CommandLine="* /accepteula*" OR CommandLine="* –accepteula*" OR CommandLine="* —accepteula*" OR CommandLine="* ―accepteula*"
CommandLine:(*\ \-accepteula* OR *\ \/accepteula* OR *\ –accepteula* OR *\ —accepteula* OR *\ ―accepteula*)
DeviceProcessEvents | where ProcessCommandLine contains " -accepteula" or ProcessCommandLine contains " /accepteula" or ProcessCommandLine contains " –accepteula" or ProcessCommandLine contains " —accepteula" or ProcessCommandLine contains " ―accepteula"
windows/process_creation/proc_creation_win_sysinternals_eula_accepted.yml
ff151c33-45fa-475d-af4f-c2f93571f4fe
Azure AD Health Monitoring Agent Registry Keys Access
This detection uses Windows security events to detect suspicious access attempts to the registry key of Azure AD Health monitoring agent. This detection requires an access control entry (ACE) on the system access control list (SACL) of the following securable object HKLM\SOFTWARE\Microsoft\Microsoft Online\Reporting\Mo...
windows
security
title: Azure AD Health Monitoring Agent Registry Keys Access id: ff151c33-45fa-475d-af4f-c2f93571f4fe status: test description: 'This detection uses Windows security events to detect suspicious access attempts to the registry key of Azure AD Health monitoring agent. This detection requires an access control entry ...
[ "T1012" ]
[ "discovery" ]
medium
test
[ "Unknown" ]
[ "https://o365blog.com/post/hybridhealthagent/", "https://github.com/OTRF/Set-AuditRule/blob/c3dec5443414231714d850565d364ca73475ade5/rules/registry/aad_connect_health_monitoring_agent.yml" ]
EventID IN (4656, 4663) ObjectType="Key" ObjectName="\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Microsoft Online\\Reporting\\MonitoringAgent" NOT (ProcessName IN ("*Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe*", "*Microsoft.Identity.Health.Adfs.InsightsService.exe*", "*Microsoft.Identity.Health.Adfs.MonitoringAg...
((EventID:(4656 OR 4663)) AND ObjectType:Key AND ObjectName:"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Microsoft Online\\Reporting\\MonitoringAgent") AND (NOT (ProcessName:(*Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe* OR *Microsoft.Identity.Health.Adfs.InsightsService.exe* OR *Microsoft.Identity.Health.Adfs.Mo...
DeviceRegistryEvents | where RegistryKey =~ "\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Microsoft Online\\Reporting\\MonitoringAgent" and (not((InitiatingProcessFolderPath contains "Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe" or InitiatingProcessFolderPath contains "Microsoft.Identity.Health.Adfs.InsightsServic...
windows/builtin/security/win_security_aadhealth_mon_agent_regkey_access.yml
0f017df3-8f5a-414f-ad6b-24aff1128278
Suspicious Eventlog Clear
Detects usage of known powershell cmdlets such as "Clear-EventLog" to clear the Windows event logs
windows
ps_script
title: Suspicious Eventlog Clear id: 0f017df3-8f5a-414f-ad6b-24aff1128278 related: - id: cc36992a-4671-4f21-a91d-6c2b72a2edf5 type: derived status: test description: Detects usage of known powershell cmdlets such as "Clear-EventLog" to clear the Windows event logs references: - https://twitter.com/oroneequalsone/stat...
[ "T1685.005" ]
[ "defense-impairment" ]
medium
test
[ "Rare need to clear logs before doing something. Sometimes used by installers or cleaner scripts. The script should be investigated to determine if it's legitimate" ]
[ "https://twitter.com/oroneequalsone/status/1568432028361830402", "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.001/T1070.001.md", "https://eqllib.readthedocs.io/en/latest/analytics/5b223758-07d6-4100-9e11-238cfdd0fe97.html", "https://stackoverflow....
ScriptBlockText IN ("*Clear-EventLog *", "*Remove-EventLog *", "*Limit-EventLog *", "*Clear-WinEvent *") OR (ScriptBlockText="*Eventing.Reader.EventLogSession*" ScriptBlockText="*ClearLog*") OR (ScriptBlockText="*Diagnostics.EventLog*" ScriptBlockText="*Clear*")
(ScriptBlockText:(*Clear\-EventLog\ * OR *Remove\-EventLog\ * OR *Limit\-EventLog\ * OR *Clear\-WinEvent\ *)) OR (ScriptBlockText:*Eventing.Reader.EventLogSession* AND ScriptBlockText:*ClearLog*) OR (ScriptBlockText:*Diagnostics.EventLog* AND ScriptBlockText:*Clear*)
null
windows/powershell/powershell_script/posh_ps_susp_clear_eventlog.yml
cd8b36ac-8e4a-4c2f-a402-a29b8fbd5bca
Suspicious File Creation Activity From Fake Recycle.Bin Folder
Detects file write event from/to a fake recycle bin folder that is often used as a staging directory for malware
windows
file_event
title: Suspicious File Creation Activity From Fake Recycle.Bin Folder id: cd8b36ac-8e4a-4c2f-a402-a29b8fbd5bca related: - id: 5ce0f04e-3efc-42af-839d-5b3a543b76c0 type: derived status: test description: Detects file write event from/to a fake recycle bin folder that is often used as a staging directory for malware re...
[]
[ "persistence", "stealth" ]
high
test
[ "Unknown" ]
[ "https://www.mandiant.com/resources/blog/infected-usb-steal-secrets", "https://unit42.paloaltonetworks.com/cloaked-ursa-phishing/" ]
Image IN ("*RECYCLERS.BIN\\*", "*RECYCLER.BIN\\*") OR TargetFilename IN ("*RECYCLERS.BIN\\*", "*RECYCLER.BIN\\*")
(Image:(*RECYCLERS.BIN\\* OR *RECYCLER.BIN\\*)) OR (TargetFilename:(*RECYCLERS.BIN\\* OR *RECYCLER.BIN\\*))
DeviceFileEvents | where (InitiatingProcessFolderPath contains "RECYCLERS.BIN\\" or InitiatingProcessFolderPath contains "RECYCLER.BIN\\") or (FolderPath contains "RECYCLERS.BIN\\" or FolderPath contains "RECYCLER.BIN\\")
windows/file/file_event/file_event_win_susp_recycle_bin_fake_exec.yml
34746e8c-5fb8-415a-b135-0abc167e912a
WinSxS Executable File Creation By Non-System Process
Detects the creation of binaries in the WinSxS folder by non-system processes
windows
file_event
title: WinSxS Executable File Creation By Non-System Process id: 34746e8c-5fb8-415a-b135-0abc167e912a related: - id: 64827580-e4c3-4c64-97eb-c72325d45399 type: derived status: test description: Detects the creation of binaries in the WinSxS folder by non-system processes references: - https://media.defense.gov/2023/M...
[]
[ "execution" ]
medium
test
[ "Unknown" ]
[ "https://media.defense.gov/2023/May/09/2003218554/-1/-1/0/JOINT_CSA_HUNTING_RU_INTEL_SNAKE_MALWARE_20230509.PDF" ]
TargetFilename="C:\\Windows\\WinSxS\\*" TargetFilename="*.exe" NOT (Image IN ("C:\\Windows\\Systems32\\*", "C:\\Windows\\SysWOW64\\*", "C:\\Windows\\WinSxS\\*"))
(TargetFilename:C\:\\Windows\\WinSxS\\* AND TargetFilename:*.exe) AND (NOT (Image:(C\:\\Windows\\Systems32\\* OR C\:\\Windows\\SysWOW64\\* OR C\:\\Windows\\WinSxS\\*)))
DeviceFileEvents | where (FolderPath startswith "C:\\Windows\\WinSxS\\" and FolderPath endswith ".exe") and (not((InitiatingProcessFolderPath startswith "C:\\Windows\\Systems32\\" or InitiatingProcessFolderPath startswith "C:\\Windows\\SysWOW64\\" or InitiatingProcessFolderPath startswith "C:\\Windows\\WinSxS\\")))
windows/file/file_event/file_event_win_susp_winsxs_binary_creation.yml
4f647cfa-b598-4e12-ad69-c68dd16caef8
DumpStack.log Defender Evasion
Detects the use of the filename DumpStack.log to evade Microsoft Defender
windows
process_creation
title: DumpStack.log Defender Evasion id: 4f647cfa-b598-4e12-ad69-c68dd16caef8 status: test description: Detects the use of the filename DumpStack.log to evade Microsoft Defender references: - https://twitter.com/mrd0x/status/1479094189048713219 author: Florian Roth (Nextron Systems) date: 2022-01-06 modified: 2022-06-...
[]
[ "defense-impairment" ]
critical
test
[ "Unknown" ]
[ "https://twitter.com/mrd0x/status/1479094189048713219" ]
Image="*\\DumpStack.log" OR CommandLine="* -o DumpStack.log*"
Image:*\\DumpStack.log OR CommandLine:*\ \-o\ DumpStack.log*
DeviceProcessEvents | where FolderPath endswith "\\DumpStack.log" or ProcessCommandLine contains " -o DumpStack.log"
windows/process_creation/proc_creation_win_susp_dumpstack_log_evasion.yml
d3feb4ee-ff1d-4d3d-bd10-5b28a238cc72
File and Directory Discovery - Linux
Detects usage of system utilities such as "find", "tree", "findmnt", etc, to discover files, directories and network shares.
linux
process_creation
title: File and Directory Discovery - Linux id: d3feb4ee-ff1d-4d3d-bd10-5b28a238cc72 status: test description: 'Detects usage of system utilities such as "find", "tree", "findmnt", etc, to discover files, directories and network shares. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d...
[ "T1083" ]
[ "discovery" ]
informational
test
[ "Legitimate activities" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1083/T1083.md" ]
| rex field=CommandLine "(?<CommandLineMatch>(.){200,})" | eval CommandLineCondition=if(isnotnull(CommandLineMatch), "true", "false") | search (Image="*/file" CommandLineCondition="true") OR (Image="*/ls" CommandLine="*-R*") OR Image="*/find" OR Image="*/tree" OR Image="*/findmnt" OR Image="*/mlocate"
(Image:*\/file AND CommandLine:/(.){200,}/) OR (Image:*\/ls AND CommandLine:*\-R*) OR Image:*\/find OR Image:*\/tree OR Image:*\/findmnt OR Image:*\/mlocate
DeviceProcessEvents | where (FolderPath endswith "/file" and ProcessCommandLine matches regex "(.){200,}") or (FolderPath endswith "/ls" and ProcessCommandLine contains "-R") or FolderPath endswith "/find" or FolderPath endswith "/tree" or FolderPath endswith "/findmnt" or FolderPath endswith "/mlocate"
linux/process_creation/proc_creation_lnx_file_and_directory_discovery.yml
9b2cc4c4-2ad4-416d-8e8e-ee6aa6f5035a
End User Consent
Detects when an end user consents to an application
azure
auditlogs
title: End User Consent id: 9b2cc4c4-2ad4-416d-8e8e-ee6aa6f5035a status: test description: Detects when an end user consents to an application references: - https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#end-user-consent author: Bailey Bercik '@baileybercik', Mark Morowczynski '@m...
[ "T1528" ]
[ "credential-access" ]
low
test
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#end-user-consent" ]
ConsentContext.IsAdminConsent="false"
ConsentContext.IsAdminConsent:false
null
cloud/azure/audit_logs/azure_app_end_user_consent.yml
1f0b4cac-9c81-41f4-95d0-8475ff46b3e2
PPL Tampering Via WerFaultSecure
Detects potential abuse of WerFaultSecure.exe to dump Protected Process Light (PPL) processes like LSASS or to freeze security solutions (EDR/antivirus). This technique is used by tools such as EDR-Freeze and WSASS to bypass PPL protections and access sensitive information or disable security software. Distinct command...
windows
process_creation
title: PPL Tampering Via WerFaultSecure id: 1f0b4cac-9c81-41f4-95d0-8475ff46b3e2 related: - id: 387df17d-3b04-448f-8669-9e7fd5e5fd8c type: similar - id: 8a2f4b1c-3d5e-4f7a-9b2c-1e4f6d8a9c2b type: similar status: experimental description: 'Detects potential abuse of WerFaultSecure.exe to dump Protected Process Light...
[ "T1685", "T1003.001" ]
[ "defense-impairment", "credential-access" ]
high
experimental
[ "Legitimate usage of WerFaultSecure for debugging purposes" ]
[ "https://www.zerosalarium.com/2025/09/EDR-Freeze-Puts-EDRs-Antivirus-Into-Coma.html", "https://github.com/TwoSevenOneT/EDR-Freeze/blob/a7f61030b36fbde89871f393488f7075d2aa89f6/EDR-Freeze.cpp#L53", "https://www.zerosalarium.com/2025/09/Dumping-LSASS-With-WER-On-Modern-Windows-11.html", "https://github.com/TwoS...
Image="*\\WerFaultSecure.exe" OR OriginalFileName="WerFaultSecure.exe" CommandLine="* /h *" CommandLine="* /pid *" CommandLine="* /tid *" CommandLine="* /encfile *" CommandLine="* /cancel *" CommandLine="* /type *" CommandLine="* 268310*"
(Image:*\\WerFaultSecure.exe OR OriginalFileName:WerFaultSecure.exe) AND (CommandLine:*\ \/h\ * AND CommandLine:*\ \/pid\ * AND CommandLine:*\ \/tid\ * AND CommandLine:*\ \/encfile\ * AND CommandLine:*\ \/cancel\ * AND CommandLine:*\ \/type\ * AND CommandLine:*\ 268310*)
DeviceProcessEvents | where (FolderPath endswith "\\WerFaultSecure.exe" or ProcessVersionInfoOriginalFileName =~ "WerFaultSecure.exe") and (ProcessCommandLine contains " /h " and ProcessCommandLine contains " /pid " and ProcessCommandLine contains " /tid " and ProcessCommandLine contains " /encfile " and ProcessCommand...
windows/process_creation/proc_creation_win_werfaultsecure_abuse.yml
9fff585c-c33e-4a86-b3cd-39312079a65f
Taskmgr as LOCAL_SYSTEM
Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM
windows
process_creation
title: Taskmgr as LOCAL_SYSTEM id: 9fff585c-c33e-4a86-b3cd-39312079a65f status: test description: Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM references: - Internal Research author: Florian Roth (Nextron Systems) date: 2018-03-18 modified: 2022-05-27 tags: - attack.stealth - attack.t1036 logs...
[ "T1036" ]
[ "stealth" ]
high
test
[ "Unknown" ]
[ "Internal Research" ]
User IN ("*AUTHORI*", "*AUTORI*") Image="*\\taskmgr.exe"
(User:(*AUTHORI* OR *AUTORI*)) AND Image:*\\taskmgr.exe
DeviceProcessEvents | where (AccountName contains "AUTHORI" or AccountName contains "AUTORI") and FolderPath endswith "\\taskmgr.exe"
windows/process_creation/proc_creation_win_taskmgr_localsystem.yml
ab871450-37dc-4a3a-997f-6662aa8ae0f1
Disable Macro Runtime Scan Scope
Detects tampering with the MacroRuntimeScanScope registry key to disable runtime scanning of enabled macros
windows
registry_set
title: Disable Macro Runtime Scan Scope id: ab871450-37dc-4a3a-997f-6662aa8ae0f1 description: Detects tampering with the MacroRuntimeScanScope registry key to disable runtime scanning of enabled macros status: test date: 2022-10-25 modified: 2023-08-17 author: Nasreddine Bencherchali (Nextron Systems) references: - htt...
[]
[ "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://www.microsoft.com/en-us/security/blog/2018/09/12/office-vba-amsi-parting-the-veil-on-malicious-macros/", "https://admx.help/?Category=Office2016&Policy=office16.Office.Microsoft.Policies.Windows::L_MacroRuntimeScanScope", "https://github.com/S3cur3Th1sSh1t/OffensiveVBA/blob/28cc6a2802d8176195ac19b3c8e9...
TargetObject="*\\SOFTWARE\\*" TargetObject="*\\Microsoft\\Office\\*" TargetObject="*\\Common\\Security*" TargetObject="*\\MacroRuntimeScanScope" Details="DWORD (0x00000000)"
(TargetObject:*\\SOFTWARE\\* AND TargetObject:*\\Microsoft\\Office\\* AND TargetObject:*\\Common\\Security*) AND TargetObject:*\\MacroRuntimeScanScope AND Details:"DWORD \(0x00000000\)"
DeviceRegistryEvents | where (RegistryKey endswith "\\SOFTWARE*" and RegistryKey endswith "\\Microsoft\\Office*" and RegistryKey contains "\\Common\\Security") and RegistryKey endswith "\\MacroRuntimeScanScope" and RegistryValueData =~ "DWORD (0x00000000)"
windows/registry/registry_set/registry_set_disable_macroruntimescanscope.yml
99c4658d-2c5e-4d87-828d-7c066ca537c3
Disable-WindowsOptionalFeature Command PowerShell
Detect built in PowerShell cmdlet Disable-WindowsOptionalFeature, Deployment Image Servicing and Management tool. Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, configure, and update features and packages in Windows images
windows
ps_script
title: Disable-WindowsOptionalFeature Command PowerShell id: 99c4658d-2c5e-4d87-828d-7c066ca537c3 status: test description: 'Detect built in PowerShell cmdlet Disable-WindowsOptionalFeature, Deployment Image Servicing and Management tool. Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, c...
[ "T1685" ]
[ "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/5b67c9b141fa3918017f8fa44f2f88f0b1ecb9e1/atomics/T1562.001/T1562.001.md", "https://learn.microsoft.com/en-us/powershell/module/dism/disable-windowsoptionalfeature?view=windowsserver2022-ps" ]
ScriptBlockText="*Disable-WindowsOptionalFeature*" ScriptBlockText="*-Online*" ScriptBlockText="*-FeatureName*" ScriptBlockText IN ("*Windows-Defender-Gui*", "*Windows-Defender-Features*", "*Windows-Defender*", "*Windows-Defender-ApplicationGuard*")
(ScriptBlockText:*Disable\-WindowsOptionalFeature* AND ScriptBlockText:*\-Online* AND ScriptBlockText:*\-FeatureName*) AND (ScriptBlockText:(*Windows\-Defender\-Gui* OR *Windows\-Defender\-Features* OR *Windows\-Defender* OR *Windows\-Defender\-ApplicationGuard*))
null
windows/powershell/powershell_script/posh_ps_disable_windows_optional_feature.yml
75180c5f-4ea1-461a-a4f6-6e4700c065d4
Windows Recall Feature Enabled - Registry
Detects the enabling of the Windows Recall feature via registry manipulation. Windows Recall can be enabled by setting the value of "DisableAIDataAnalysis" to "0". Adversaries may enable Windows Recall as part of post-exploitation discovery and collection activities. This rule assumes that Recall is already explicitly ...
windows
registry_set
title: Windows Recall Feature Enabled - Registry id: 75180c5f-4ea1-461a-a4f6-6e4700c065d4 related: - id: 5dfc1465-8f65-4fde-8eb5-6194380c6a62 type: similar - id: 817f252c-5143-4dae-b418-48c3e9f63728 type: similar status: test description: 'Detects the enabling of the Windows Recall feature via registry manipulation...
[ "T1113" ]
[ "collection" ]
medium
test
[ "Legitimate use/activation of Windows Recall" ]
[ "https://learn.microsoft.com/en-us/windows/client-management/manage-recall", "https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-windowsai#disableaidataanalysis" ]
TargetObject="*\\Software\\Policies\\Microsoft\\Windows\\WindowsAI\\DisableAIDataAnalysis" Details="DWORD (0x00000000)"
TargetObject:*\\Software\\Policies\\Microsoft\\Windows\\WindowsAI\\DisableAIDataAnalysis AND Details:"DWORD \(0x00000000\)"
DeviceRegistryEvents | where RegistryKey endswith "\\Software\\Policies\\Microsoft\\Windows\\WindowsAI\\DisableAIDataAnalysis" and RegistryValueData =~ "DWORD (0x00000000)"
windows/registry/registry_set/registry_set_enable_windows_recall.yml
5ef9853e-4d0e-4a70-846f-a9ca37d876da
Potential Credential Dumping Activity Via LSASS
Detects process access requests to the LSASS process with specific call trace calls and access masks. This behaviour is expressed by many credential dumping tools such as Mimikatz, NanoDump, Invoke-Mimikatz, Procdump and even the Taskmgr dumping feature.
windows
process_access
title: Potential Credential Dumping Activity Via LSASS id: 5ef9853e-4d0e-4a70-846f-a9ca37d876da status: test description: 'Detects process access requests to the LSASS process with specific call trace calls and access masks. This behaviour is expressed by many credential dumping tools such as Mimikatz, NanoDump, Inv...
[ "T1003.001" ]
[ "credential-access" ]
medium
test
[ "Unknown" ]
[ "https://web.archive.org/web/20230329170326/https://blog.menasec.net/2019/02/threat-hunting-21-procdump-or-taskmgr.html", "https://web.archive.org/web/20230208123920/https://cyberwardog.blogspot.com/2017/03/chronicles-of-threat-hunter-hunting-for_22.html", "https://github.com/redcanaryco/atomic-red-team/blob/f3...
TargetImage="*\\lsass.exe" GrantedAccess IN ("*0x1038*", "*0x1438*", "*0x143a*", "*0x1fffff*") CallTrace IN ("*dbgcore.dll*", "*dbghelp.dll*", "*kernel32.dll*", "*kernelbase.dll*", "*ntdll.dll*") NOT (SourceUser IN ("*AUTHORI*", "*AUTORI*")) NOT ((CallTrace="*:\\Windows\\Temp\\asgard2-agent\\*" CallTrace="*\\thor\\thor...
(TargetImage:*\\lsass.exe AND (GrantedAccess:(*0x1038* OR *0x1438* OR *0x143a* OR *0x1fffff*)) AND (CallTrace:(*dbgcore.dll* OR *dbghelp.dll* OR *kernel32.dll* OR *kernelbase.dll* OR *ntdll.dll*))) AND (NOT (SourceUser:(*AUTHORI* OR *AUTORI*))) AND (NOT (((CallTrace:*\:\\Windows\\Temp\\asgard2\-agent\\* AND CallTrace:*...
null
windows/process_access/proc_access_win_lsass_memdump.yml
26e7c5e2-6545-481e-b7e6-050143459635
CA Policy Removed by Non Approved Actor
Monitor and alert on conditional access changes where non approved actor removed CA Policy.
azure
auditlogs
title: CA Policy Removed by Non Approved Actor id: 26e7c5e2-6545-481e-b7e6-050143459635 status: test description: Monitor and alert on conditional access changes where non approved actor removed CA Policy. references: - https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-...
[ "T1548", "T1556" ]
[ "privilege-escalation", "credential-access", "persistence", "defense-impairment" ]
medium
test
[ "Misconfigured role permissions", "Verify whether the user identity, user agent, and/or hostname should be making changes in your environment." ]
[ "https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access" ]
properties.message="Delete conditional access policy"
properties.message:"Delete conditional access policy"
null
cloud/azure/audit_logs/azure_aad_secops_ca_policy_removedby_bad_actor.yml
cd71385d-fd9b-4691-9b98-2b1f7e508714
Lolbin Runexehelper Use As Proxy
Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs
windows
process_creation
title: Lolbin Runexehelper Use As Proxy id: cd71385d-fd9b-4691-9b98-2b1f7e508714 status: test description: Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs references: - https://twitter.com/0gtweet/status/1206692239839289344 - https://lolbas-project.github.io/lolbas/Binaries/Runexehelpe...
[ "T1218" ]
[ "stealth" ]
medium
test
[ "Unknown" ]
[ "https://twitter.com/0gtweet/status/1206692239839289344", "https://lolbas-project.github.io/lolbas/Binaries/Runexehelper/" ]
ParentImage="*\\runexehelper.exe"
ParentImage:*\\runexehelper.exe
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\runexehelper.exe"
windows/process_creation/proc_creation_win_lolbin_runexehelper.yml
d38d2fa4-98e6-4a24-aff1-410b0c9ad177
HackTool - UACMe Akagi Execution
Detects the execution of UACMe, a tool used for UAC bypasses, via default PE metadata
windows
process_creation
title: HackTool - UACMe Akagi Execution id: d38d2fa4-98e6-4a24-aff1-410b0c9ad177 status: test description: Detects the execution of UACMe, a tool used for UAC bypasses, via default PE metadata references: - https://github.com/hfiref0x/UACME author: Christian Burkard (Nextron Systems), Florian Roth (Nextron Systems) dat...
[ "T1548.002" ]
[ "privilege-escalation" ]
high
test
[ "Unknown" ]
[ "https://github.com/hfiref0x/UACME" ]
Product="UACMe" OR Company IN ("REvol Corp", "APT 92", "UG North", "Hazardous Environments", "CD Project Rekt") OR Description IN ("UACMe main module", "Pentesting utility") OR OriginalFileName IN ("Akagi.exe", "Akagi64.exe") OR Image IN ("*\\Akagi64.exe", "*\\Akagi.exe") OR Hashes IN ("*IMPHASH=767637C23BB42CD5D7397CF...
(Product:UACMe OR (Company:("REvol Corp" OR "APT 92" OR "UG North" OR "Hazardous Environments" OR "CD Project Rekt")) OR (Description:("UACMe main module" OR "Pentesting utility")) OR (OriginalFileName:(Akagi.exe OR Akagi64.exe))) OR (Image:(*\\Akagi64.exe OR *\\Akagi.exe)) OR (Hashes:(*IMPHASH\=767637C23BB42CD5D7397CF...
null
windows/process_creation/proc_creation_win_hktl_uacme.yml
c30fb093-1109-4dc8-88a8-b30d11c95a5d
Whoami.EXE Execution With Output Option
Detects the execution of "whoami.exe" with the "/FO" flag to choose CSV as output format or with redirection options to export the results to a file for later use.
windows
process_creation
title: Whoami.EXE Execution With Output Option id: c30fb093-1109-4dc8-88a8-b30d11c95a5d status: test description: Detects the execution of "whoami.exe" with the "/FO" flag to choose CSV as output format or with redirection options to export the results to a file for later use. references: - https://brica.de/alerts/al...
[ "T1033" ]
[ "discovery" ]
medium
test
[ "Unknown" ]
[ "https://brica.de/alerts/alert/public/1247926/agent-tesla-keylogger-delivered-inside-a-power-iso-daa-archive/", "https://app.any.run/tasks/7eaba74e-c1ea-400f-9c17-5e30eee89906/", "https://www.youtube.com/watch?v=DsJ9ByX84o4&t=6s" ]
(Image="*\\whoami.exe" OR OriginalFileName="whoami.exe" CommandLine IN ("* /FO CSV*", "* -FO CSV*")) OR CommandLine="*whoami*>*"
((Image:*\\whoami.exe OR OriginalFileName:whoami.exe) AND (CommandLine:(*\ \/FO\ CSV* OR *\ \-FO\ CSV*))) OR CommandLine:*whoami*\>*
DeviceProcessEvents | where ((FolderPath endswith "\\whoami.exe" or ProcessVersionInfoOriginalFileName =~ "whoami.exe") and (ProcessCommandLine contains " /FO CSV" or ProcessCommandLine contains " -FO CSV")) or ProcessCommandLine matches regex ".*whoami.*>.*"
windows/process_creation/proc_creation_win_whoami_output.yml
18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc
Sysmon Channel Reference Deletion
Potential threat actor tampering with Sysmon manifest and eventually disabling it
windows
security
title: Sysmon Channel Reference Deletion id: 18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc status: test description: Potential threat actor tampering with Sysmon manifest and eventually disabling it references: - https://twitter.com/Flangvik/status/1283054508084473861 - https://twitter.com/SecurityJosh/status/128302736577027686...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://twitter.com/Flangvik/status/1283054508084473861", "https://twitter.com/SecurityJosh/status/1283027365770276866", "https://securityjosh.github.io/2020/04/23/Mute-Sysmon.html", "https://gist.github.com/Cyb3rWard0g/cf08c38c61f7e46e8404b38201ca01c8" ]
(EventID=4657 ObjectName IN ("*WINEVT\\Publishers\\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}*", "*WINEVT\\Channels\\Microsoft-Windows-Sysmon/Operational*") ObjectValueName="Enabled" NewValue=0) OR (EventID=4663 ObjectName IN ("*WINEVT\\Publishers\\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}*", "*WINEVT\\Channels\\Microsoft-Win...
(EventID:4657 AND (ObjectName:(*WINEVT\\Publishers\\\{5770385f\-c22a\-43e0\-bf4c\-06f5698ffbd9\}* OR *WINEVT\\Channels\\Microsoft\-Windows\-Sysmon\/Operational*)) AND ObjectValueName:Enabled AND NewValue:0) OR (EventID:4663 AND (ObjectName:(*WINEVT\\Publishers\\\{5770385f\-c22a\-43e0\-bf4c\-06f5698ffbd9\}* OR *WINEVT\\...
null
windows/builtin/security/win_security_sysmon_channel_reference_deletion.yml
5f03babb-12db-4eec-8c82-7b4cb5580868
Response File Execution Via Odbcconf.EXE
Detects execution of "odbcconf" with the "-f" flag in order to load a response file which might contain a malicious action.
windows
process_creation
title: Response File Execution Via Odbcconf.EXE id: 5f03babb-12db-4eec-8c82-7b4cb5580868 related: - id: 2d32dd6f-3196-4093-b9eb-1ad8ab088ca5 type: similar - id: 65d2be45-8600-4042-b4c0-577a1ff8a60e type: obsolete status: test description: Detects execution of "odbcconf" with the "-f" flag in order to load a respons...
[ "T1218.008" ]
[ "stealth" ]
medium
test
[ "The rule is looking for any usage of response file, which might generate false positive when this function is used legitimately. Investigate the contents of the \".rsp\" file to determine if it is malicious and apply additional filters if necessary." ]
[ "https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16", "https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/", "https://www.cybereason.com/blog/threat-analysis-report-bumblebee-loader-the-high-road-to-enterprise-domain-control", "https://www.hexacorn.com/blog/2020/08/23/odbccon...
Image="*\\odbcconf.exe" OR OriginalFileName="odbcconf.exe" CommandLine="* -f *" OR CommandLine="* /f *" OR CommandLine="* –f *" OR CommandLine="* —f *" OR CommandLine="* ―f *" CommandLine="*.rsp*"
(Image:*\\odbcconf.exe OR OriginalFileName:odbcconf.exe) AND CommandLine:(*\ \-f\ * OR *\ \/f\ * OR *\ –f\ * OR *\ —f\ * OR *\ ―f\ *) AND CommandLine:*.rsp*
DeviceProcessEvents | where (FolderPath endswith "\\odbcconf.exe" or ProcessVersionInfoOriginalFileName =~ "odbcconf.exe") and (ProcessCommandLine contains " -f " or ProcessCommandLine contains " /f " or ProcessCommandLine contains " –f " or ProcessCommandLine contains " —f " or ProcessCommandLine contains " ―f ") and ...
windows/process_creation/proc_creation_win_odbcconf_response_file.yml
b120b587-a4c2-4b94-875d-99c9807d6955
Credentials from Password Stores - Keychain
Detects passwords dumps from Keychain
macos
process_creation
title: Credentials from Password Stores - Keychain id: b120b587-a4c2-4b94-875d-99c9807d6955 status: test description: Detects passwords dumps from Keychain references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.001/T1555.001.md - https://gist.github.com/...
[ "T1555.001" ]
[ "credential-access" ]
medium
test
[ "Legitimate administration activities" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.001/T1555.001.md", "https://gist.github.com/Capybara/6228955" ]
(Image="/usr/bin/security" CommandLine IN ("*find-certificate*", "* export *")) OR CommandLine IN ("* dump-keychain *", "* login-keychain *")
(Image:\/usr\/bin\/security AND (CommandLine:(*find\-certificate* OR *\ export\ *))) OR (CommandLine:(*\ dump\-keychain\ * OR *\ login\-keychain\ *))
DeviceProcessEvents | where (FolderPath =~ "/usr/bin/security" and (ProcessCommandLine contains "find-certificate" or ProcessCommandLine contains " export ")) or (ProcessCommandLine contains " dump-keychain " or ProcessCommandLine contains " login-keychain ")
macos/process_creation/proc_creation_macos_creds_from_keychain.yml
801bd44f-ceed-4eb6-887c-11544633c0aa
Windows Defender Configuration Changes
Detects suspicious changes to the Windows Defender configuration
windows
windefend
title: Windows Defender Configuration Changes id: 801bd44f-ceed-4eb6-887c-11544633c0aa related: - id: 1321dc4e-a1fe-481d-a016-52c45f0c8b4f type: similar - id: a3ab73f1-bd46-4319-8f06-4b20d0617886 type: similar - id: 91903aba-1088-42ee-b680-d6d94fe002b0 type: similar status: stable description: Detects suspicious ...
[ "T1685" ]
[ "defense-impairment" ]
high
stable
[ "Administrator activity (must be investigated)" ]
[ "https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide", "https://bidouillesecurity.com/disable-windows-defender-in-powershell/#DisableAntiSpyware" ]
EventID=5007 NewValue IN ("*\\Windows Defender\\DisableAntiSpyware *", "*\\Windows Defender\\Scan\\DisableRemovableDriveScanning *", "*\\Windows Defender\\Scan\\DisableScanningMappedNetworkDrivesForFullScan *", "*\\Windows Defender\\SpyNet\\DisableBlockAtFirstSeen *", "*\\Real-Time Protection\\SpyNetReporting *")
EventID:5007 AND (NewValue:(*\\Windows\ Defender\\DisableAntiSpyware\ * OR *\\Windows\ Defender\\Scan\\DisableRemovableDriveScanning\ * OR *\\Windows\ Defender\\Scan\\DisableScanningMappedNetworkDrivesForFullScan\ * OR *\\Windows\ Defender\\SpyNet\\DisableBlockAtFirstSeen\ * OR *\\Real\-Time\ Protection\\SpyNetReportin...
null
windows/builtin/windefend/win_defender_suspicious_features_tampering.yml
f9b3edc5-3322-4fc7-8aa3-245d646cc4b7
Potential Linux Amazon SSM Agent Hijacking
Detects potential Amazon SSM agent hijack attempts as outlined in the Mitiga research report.
linux
process_creation
title: Potential Linux Amazon SSM Agent Hijacking id: f9b3edc5-3322-4fc7-8aa3-245d646cc4b7 status: test description: Detects potential Amazon SSM agent hijack attempts as outlined in the Mitiga research report. references: - https://www.mitiga.io/blog/mitiga-security-advisory-abusing-the-ssm-agent-as-a-remote-access-tr...
[ "T1219.002" ]
[ "command-and-control", "persistence" ]
medium
test
[ "Legitimate activity of system administrators" ]
[ "https://www.mitiga.io/blog/mitiga-security-advisory-abusing-the-ssm-agent-as-a-remote-access-trojan", "https://www.bleepingcomputer.com/news/security/amazons-aws-ssm-agent-can-be-used-as-post-exploitation-rat-malware/", "https://www.helpnetsecurity.com/2023/08/02/aws-instances-attackers-access/" ]
Image="*/amazon-ssm-agent" CommandLine="*-register *" CommandLine="*-code *" CommandLine="*-id *" CommandLine="*-region *"
Image:*\/amazon\-ssm\-agent AND (CommandLine:*\-register\ * AND CommandLine:*\-code\ * AND CommandLine:*\-id\ * AND CommandLine:*\-region\ *)
DeviceProcessEvents | where FolderPath endswith "/amazon-ssm-agent" and (ProcessCommandLine contains "-register " and ProcessCommandLine contains "-code " and ProcessCommandLine contains "-id " and ProcessCommandLine contains "-region ")
linux/process_creation/proc_creation_lnx_ssm_agent_abuse.yml
fecfd1a1-cc78-4313-a1ea-2ee2e8ec27a7
PowerShell Logging Disabled Via Registry Key Tampering
Detects changes to the registry for the currently logged-in user. In order to disable PowerShell module logging, script block logging or transcription and script execution logging
windows
registry_set
title: PowerShell Logging Disabled Via Registry Key Tampering id: fecfd1a1-cc78-4313-a1ea-2ee2e8ec27a7 status: test description: Detects changes to the registry for the currently logged-in user. In order to disable PowerShell module logging, script block logging or transcription and script execution logging reference...
[ "T1564.001", "T1112" ]
[ "stealth", "defense-impairment", "persistence" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1112/T1112.md#atomic-test-32---windows-powershell-logging-disabled" ]
TargetObject IN ("*\\Microsoft\\Windows\\PowerShell\\*", "*\\Microsoft\\PowerShellCore\\*") TargetObject IN ("*\\ModuleLogging\\EnableModuleLogging", "*\\ScriptBlockLogging\\EnableScriptBlockLogging", "*\\ScriptBlockLogging\\EnableScriptBlockInvocationLogging", "*\\Transcription\\EnableTranscripting", "*\\Transcription...
(TargetObject:(*\\Microsoft\\Windows\\PowerShell\\* OR *\\Microsoft\\PowerShellCore\\*)) AND (TargetObject:(*\\ModuleLogging\\EnableModuleLogging OR *\\ScriptBlockLogging\\EnableScriptBlockLogging OR *\\ScriptBlockLogging\\EnableScriptBlockInvocationLogging OR *\\Transcription\\EnableTranscripting OR *\\Transcription\\...
DeviceRegistryEvents | where (RegistryKey endswith "\\Microsoft\\Windows\\PowerShell*" or RegistryKey endswith "\\Microsoft\\PowerShellCore*") and (RegistryKey endswith "\\ModuleLogging\\EnableModuleLogging" or RegistryKey endswith "\\ScriptBlockLogging\\EnableScriptBlockLogging" or RegistryKey endswith "\\ScriptBlockL...
windows/registry/registry_set/registry_set_powershell_logging_disabled.yml
a0b38b70-3cb5-484b-a4eb-c4d8e7bcc0a9
Okta New Admin Console Behaviours
Detects when Okta identifies new activity in the Admin Console.
okta
okta
title: Okta New Admin Console Behaviours id: a0b38b70-3cb5-484b-a4eb-c4d8e7bcc0a9 status: test description: Detects when Okta identifies new activity in the Admin Console. references: - https://developer.okta.com/docs/reference/api/system-log/ - https://sec.okta.com/articles/2023/08/cross-tenant-impersonation-preventio...
[ "T1078.004" ]
[ "privilege-escalation", "persistence", "initial-access", "stealth" ]
high
test
[ "When an admin begins using the Admin Console and one of Okta's heuristics incorrectly identifies the behavior as being unusual." ]
[ "https://developer.okta.com/docs/reference/api/system-log/", "https://sec.okta.com/articles/2023/08/cross-tenant-impersonation-prevention-and-detection" ]
eventType="policy.evaluate_sign_on" target.displayName="Okta Admin Console" debugContext.debugData.behaviors="*POSITIVE*" OR debugContext.debugData.logOnlySecurityData="*POSITIVE*"
(eventType:policy.evaluate_sign_on AND target.displayName:"Okta Admin Console") AND (debugContext.debugData.behaviors:*POSITIVE* OR debugContext.debugData.logOnlySecurityData:*POSITIVE*)
null
identity/okta/okta_new_behaviours_admin_console.yml
c1344fa2-323b-4d2e-9176-84b4d4821c88
Windows Defender Exclusions Added - PowerShell
Detects modifications to the Windows Defender configuration settings using PowerShell to add exclusions
windows
ps_script
title: Windows Defender Exclusions Added - PowerShell id: c1344fa2-323b-4d2e-9176-84b4d4821c88 related: - id: 17769c90-230e-488b-a463-e05c08e9d48f type: similar status: test description: Detects modifications to the Windows Defender configuration settings using PowerShell to add exclusions references: - https://www.e...
[ "T1685", "T1059" ]
[ "defense-impairment", "execution" ]
medium
test
[ "Unknown" ]
[ "https://www.elastic.co/guide/en/security/current/windows-defender-exclusions-added-via-powershell.html" ]
ScriptBlockText IN ("* -ExclusionPath *", "* -ExclusionExtension *", "* -ExclusionProcess *", "* -ExclusionIpAddress *") ScriptBlockText IN ("*Add-MpPreference *", "*Set-MpPreference *")
(ScriptBlockText:(*\ \-ExclusionPath\ * OR *\ \-ExclusionExtension\ * OR *\ \-ExclusionProcess\ * OR *\ \-ExclusionIpAddress\ *)) AND (ScriptBlockText:(*Add\-MpPreference\ * OR *Set\-MpPreference\ *))
null
windows/powershell/powershell_script/posh_ps_win_defender_exclusions_added.yml
0b80ade5-6997-4b1d-99a1-71701778ea61
Imports Registry Key From an ADS
Detects the import of a alternate datastream to the registry with regedit.exe.
windows
process_creation
title: Imports Registry Key From an ADS id: 0b80ade5-6997-4b1d-99a1-71701778ea61 related: - id: 73bba97f-a82d-42ce-b315-9182e76c57b1 type: similar status: test description: Detects the import of a alternate datastream to the registry with regedit.exe. references: - https://lolbas-project.github.io/lolbas/Binaries/Reg...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://lolbas-project.github.io/lolbas/Binaries/Regedit/", "https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f" ]
Image="*\\regedit.exe" OR OriginalFileName="REGEDIT.EXE" CommandLine IN ("* /i *", "*.reg*") NOT (CommandLine="* -e *" OR CommandLine="* /e *" OR CommandLine="* –e *" OR CommandLine="* —e *" OR CommandLine="* ―e *" OR CommandLine="* -a *" OR CommandLine="* /a *" OR CommandLine="* –a *" OR CommandLine="* —a *" OR Comman...
((Image:*\\regedit.exe OR OriginalFileName:REGEDIT.EXE) AND ((CommandLine:(*\ \/i\ * OR *.reg*)) AND CommandLine:/:[^ \\]/)) AND (NOT (CommandLine:(*\ \-e\ * OR *\ \/e\ * OR *\ –e\ * OR *\ —e\ * OR *\ ―e\ *) OR CommandLine:(*\ \-a\ * OR *\ \/a\ * OR *\ –a\ * OR *\ —a\ * OR *\ ―a\ *) OR CommandLine:(*\ \-c\ * OR *\ \/c\...
DeviceProcessEvents | where ((FolderPath endswith "\\regedit.exe" or ProcessVersionInfoOriginalFileName =~ "REGEDIT.EXE") and ((ProcessCommandLine contains " /i " or ProcessCommandLine contains ".reg") and ProcessCommandLine matches regex ":[^ \\\\]")) and (not((ProcessCommandLine contains " -e " or ProcessCommandLine ...
windows/process_creation/proc_creation_win_regedit_import_keys_ads.yml
79a87aa6-e4bd-42fc-a5bb-5e6fbdcd62f5
Msiexec Quiet Installation
Adversaries may abuse msiexec.exe to proxy execution of malicious payloads. Msiexec.exe is the command-line utility for the Windows Installer and is thus commonly associated with executing installation packages (.msi)
windows
process_creation
title: Msiexec Quiet Installation id: 79a87aa6-e4bd-42fc-a5bb-5e6fbdcd62f5 status: test description: 'Adversaries may abuse msiexec.exe to proxy execution of malicious payloads. Msiexec.exe is the command-line utility for the Windows Installer and is thus commonly associated with executing installation packages (....
[ "T1218.007" ]
[ "stealth" ]
medium
test
[ "WindowsApps installing updates via the quiet flag" ]
[ "https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/msiexec", "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.007/T1218.007.md", "https://twitter.com/_st0pp3r_/status/1583914244344799235" ]
Image="*\\msiexec.exe" OR OriginalFileName="msiexec.exe" CommandLine="*-i*" OR CommandLine="*/i*" OR CommandLine="*–i*" OR CommandLine="*—i*" OR CommandLine="*―i*" OR CommandLine="*-package*" OR CommandLine="*/package*" OR CommandLine="*–package*" OR CommandLine="*—package*" OR CommandLine="*―package*" OR CommandLine="...
((Image:*\\msiexec.exe OR OriginalFileName:msiexec.exe) AND (CommandLine:(*\-i* OR *\/i* OR *–i* OR *—i* OR *―i*) OR CommandLine:(*\-package* OR *\/package* OR *–package* OR *—package* OR *―package*) OR CommandLine:(*\-a* OR *\/a* OR *–a* OR *—a* OR *―a*) OR CommandLine:(*\-j* OR *\/j* OR *–j* OR *—j* OR *―j*)) AND Com...
DeviceProcessEvents | where ((FolderPath endswith "\\msiexec.exe" or ProcessVersionInfoOriginalFileName =~ "msiexec.exe") and (ProcessCommandLine contains "-i" or ProcessCommandLine contains "/i" or ProcessCommandLine contains "–i" or ProcessCommandLine contains "—i" or ProcessCommandLine contains "―i" or ProcessComman...
windows/process_creation/proc_creation_win_msiexec_install_quiet.yml
13c02350-4177-4e45-ac17-cf7ca628ff5e
Files With System DLL Name In Unsuspected Locations
Detects the creation of a file with the ".dll" extension that has the name of a System DLL in uncommon or unsuspected locations. (Outisde of "System32", "SysWOW64", etc.). It is highly recommended to perform an initial baseline before using this rule in production.
windows
file_event
title: Files With System DLL Name In Unsuspected Locations id: 13c02350-4177-4e45-ac17-cf7ca628ff5e status: test description: 'Detects the creation of a file with the ".dll" extension that has the name of a System DLL in uncommon or unsuspected locations. (Outisde of "System32", "SysWOW64", etc.). It is highly rec...
[ "T1036.005" ]
[ "stealth" ]
medium
test
[ "Third party software might bundle specific versions of system DLLs." ]
[ "Internal Research" ]
TargetFilename IN ("*\\secur32.dll", "*\\tdh.dll") NOT (TargetFilename IN ("*C:\\$WINDOWS.~BT\\*", "*C:\\$WinREAgent\\*", "*C:\\Windows\\SoftwareDistribution\\*", "*C:\\Windows\\System32\\*", "*C:\\Windows\\SysWOW64\\*", "*C:\\Windows\\WinSxS\\*", "*C:\\Windows\\uus\\*"))
(TargetFilename:(*\\secur32.dll OR *\\tdh.dll)) AND (NOT (TargetFilename:(*C\:\\$WINDOWS.\~BT\\* OR *C\:\\$WinREAgent\\* OR *C\:\\Windows\\SoftwareDistribution\\* OR *C\:\\Windows\\System32\\* OR *C\:\\Windows\\SysWOW64\\* OR *C\:\\Windows\\WinSxS\\* OR *C\:\\Windows\\uus\\*)))
DeviceFileEvents | where (FolderPath endswith "\\secur32.dll" or FolderPath endswith "\\tdh.dll") and (not((FolderPath contains "C:\\$WINDOWS.~BT\\" or FolderPath contains "C:\\$WinREAgent\\" or FolderPath contains "C:\\Windows\\SoftwareDistribution\\" or FolderPath contains "C:\\Windows\\System32\\" or FolderPath cont...
windows/file/file_event/file_event_win_creation_system_dll_files.yml
36aa86ca-fd9d-4456-814e-d3b1b8e1e0bb
Relevant ClamAV Message
Detects relevant ClamAV messages
linux
clamav
title: Relevant ClamAV Message id: 36aa86ca-fd9d-4456-814e-d3b1b8e1e0bb status: stable description: Detects relevant ClamAV messages references: - https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/clam_av_rules.xml author: Florian Roth (Nextron Systems) date: 2017-03-01 tags: -...
[ "T1588.001" ]
[ "resource-development" ]
high
stable
[ "Unknown" ]
[ "https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/clam_av_rules.xml" ]
"Trojan*FOUND" OR "VirTool*FOUND" OR "Webshell*FOUND" OR "Rootkit*FOUND" OR "Htran*FOUND"
*Trojan*FOUND* OR *VirTool*FOUND* OR *Webshell*FOUND* OR *Rootkit*FOUND* OR *Htran*FOUND*
null
linux/builtin/clamav/lnx_clamav_relevant_message.yml
4b09c71e-4269-4111-9cdd-107d8867f0cc
Shell Execution via Flock - Linux
Detects the use of the "flock" command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
linux
process_creation
title: Shell Execution via Flock - Linux id: 4b09c71e-4269-4111-9cdd-107d8867f0cc status: test description: 'Detects the use of the "flock" command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments. ' referenc...
[ "T1083" ]
[ "discovery" ]
high
test
[ "Unknown" ]
[ "https://gtfobins.github.io/gtfobins/flock/#shell", "https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html" ]
Image="*/flock" CommandLine="* -u *" CommandLine IN ("*/bin/bash*", "*/bin/dash*", "*/bin/fish*", "*/bin/sh*", "*/bin/zsh*")
(Image:*\/flock AND CommandLine:*\ \-u\ *) AND (CommandLine:(*\/bin\/bash* OR *\/bin\/dash* OR *\/bin\/fish* OR *\/bin\/sh* OR *\/bin\/zsh*))
DeviceProcessEvents | where (FolderPath endswith "/flock" and ProcessCommandLine contains " -u ") and (ProcessCommandLine contains "/bin/bash" or ProcessCommandLine contains "/bin/dash" or ProcessCommandLine contains "/bin/fish" or ProcessCommandLine contains "/bin/sh" or ProcessCommandLine contains "/bin/zsh")
linux/process_creation/proc_creation_lnx_flock_shell_execution.yml
970823b7-273b-460a-8afc-3a6811998529
Uncommon One Time Only Scheduled Task At 00:00
Detects scheduled task creation events that include suspicious actions, and is run once at 00:00
windows
process_creation
title: Uncommon One Time Only Scheduled Task At 00:00 id: 970823b7-273b-460a-8afc-3a6811998529 status: test description: Detects scheduled task creation events that include suspicious actions, and is run once at 00:00 references: - https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotli...
[ "T1053.005" ]
[ "execution", "persistence", "privilege-escalation" ]
high
test
[ "Software installation" ]
[ "https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-blackbyte" ]
Image="*\\schtasks.exe*" OR OriginalFileName="schtasks.exe" CommandLine IN ("*wscript*", "*vbscript*", "*cscript*", "*wmic *", "*wmic.exe*", "*regsvr32.exe*", "*powershell*", "*\\AppData\\*") CommandLine="*once*" CommandLine="*00:00*"
(Image:*\\schtasks.exe* OR OriginalFileName:schtasks.exe) AND (CommandLine:(*wscript* OR *vbscript* OR *cscript* OR *wmic\ * OR *wmic.exe* OR *regsvr32.exe* OR *powershell* OR *\\AppData\\*)) AND (CommandLine:*once* AND CommandLine:*00\:00*)
DeviceProcessEvents | where (FolderPath contains "\\schtasks.exe" or ProcessVersionInfoOriginalFileName =~ "schtasks.exe") and (ProcessCommandLine contains "wscript" or ProcessCommandLine contains "vbscript" or ProcessCommandLine contains "cscript" or ProcessCommandLine contains "wmic " or ProcessCommandLine contains "...
windows/process_creation/proc_creation_win_schtasks_one_time_only_midnight_task.yml
30fc8de7-d833-40c4-96b6-28319fbc4f6c
UAC Bypass Using Event Viewer RecentViews
Detects the pattern of UAC Bypass using Event Viewer RecentViews
windows
process_creation
title: UAC Bypass Using Event Viewer RecentViews id: 30fc8de7-d833-40c4-96b6-28319fbc4f6c related: - id: 63e4f530-65dc-49cc-8f80-ccfa95c69d43 type: similar status: test description: Detects the pattern of UAC Bypass using Event Viewer RecentViews references: - https://twitter.com/orange_8361/status/151897025986862694...
[]
[ "privilege-escalation", "stealth" ]
high
test
[ "Unknown" ]
[ "https://twitter.com/orange_8361/status/1518970259868626944", "https://lolbas-project.github.io/lolbas/Binaries/Eventvwr/#execute" ]
CommandLine IN ("*\\Event Viewer\\RecentViews*", "*\\EventV~1\\RecentViews*") CommandLine="*>*"
(CommandLine:(*\\Event\ Viewer\\RecentViews* OR *\\EventV\~1\\RecentViews*)) AND CommandLine:*\>*
DeviceProcessEvents | where (ProcessCommandLine contains "\\Event Viewer\\RecentViews" or ProcessCommandLine contains "\\EventV~1\\RecentViews") and ProcessCommandLine contains ">"
windows/process_creation/proc_creation_win_uac_bypass_eventvwr_recentviews.yml
974be8d2-283e-4033-ab08-7505b84204d0
OpenCanary - Host Port Scan (SYN Scan)
Detects instances where an OpenCanary node has been targeted by a SYN port scan.
opencanary
application
title: OpenCanary - Host Port Scan (SYN Scan) id: 974be8d2-283e-4033-ab08-7505b84204d0 status: experimental description: Detects instances where an OpenCanary node has been targeted by a SYN port scan. references: - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration - https:/...
[ "T1046" ]
[ "discovery" ]
high
experimental
[ "Unlikely" ]
[ "https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration", "https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52" ]
logtype=5001
logtype:5001
null
application/opencanary/opencanary_portscan_syn_scan.yml
730fc21b-eaff-474b-ad23-90fd265d4988
Psexec Execution
Detects user accept agreement execution in psexec commandline
windows
process_creation
title: Psexec Execution id: 730fc21b-eaff-474b-ad23-90fd265d4988 status: test description: Detects user accept agreement execution in psexec commandline references: - https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html author: omkar72 date: 2020-10-30 modified: 2023-...
[ "T1569", "T1021" ]
[ "execution", "lateral-movement" ]
medium
test
[ "Administrative scripts." ]
[ "https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html" ]
Image="*\\psexec.exe" OR OriginalFileName="psexec.c"
Image:*\\psexec.exe OR OriginalFileName:psexec.c
DeviceProcessEvents | where FolderPath endswith "\\psexec.exe" or ProcessVersionInfoOriginalFileName =~ "psexec.c"
windows/process_creation/proc_creation_win_sysinternals_psexec_execution.yml
a861d835-af37-4930-bcd6-5b178bfb54df
Suspicious Kerberos Ticket Request via PowerShell Script - ScriptBlock
Detects PowerShell scripts that utilize native PowerShell Identity modules to request Kerberos tickets. This behavior is typically seen during a Kerberos or silver ticket attack. A successful execution will output the SPNs for the endpoint in question.
windows
ps_script
title: Suspicious Kerberos Ticket Request via PowerShell Script - ScriptBlock id: a861d835-af37-4930-bcd6-5b178bfb54df related: - id: caa9a802-8bd8-4b9e-a5cd-4d6221670219 type: similar status: test description: 'Detects PowerShell scripts that utilize native PowerShell Identity modules to request Kerberos tickets. ...
[ "T1558.003" ]
[ "credential-access" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1558.003/T1558.003.md#atomic-test-4---request-a-single-ticket-via-powershell", "https://learn.microsoft.com/en-us/dotnet/api/system.identitymodel.tokens.kerberosrequestorsecuritytoken?view=netframework-4.8.1" ]
ScriptBlockText="*System.IdentityModel.Tokens.KerberosRequestorSecurityToken*" ScriptBlockText="*.GetRequest()*"
ScriptBlockText:*System.IdentityModel.Tokens.KerberosRequestorSecurityToken* AND ScriptBlockText:*.GetRequest\(\)*
null
windows/powershell/powershell_script/posh_ps_request_kerberos_ticket.yml
360a1340-398a-46b6-8d06-99b905dc69d2
Windows Defender Grace Period Expired
Detects the expiration of the grace period of Windows Defender. This means protection against viruses, spyware, and other potentially unwanted software is disabled.
windows
windefend
title: Windows Defender Grace Period Expired id: 360a1340-398a-46b6-8d06-99b905dc69d2 related: - id: fe34868f-6e0e-4882-81f6-c43aa8f15b62 type: obsolete status: stable description: 'Detects the expiration of the grace period of Windows Defender. This means protection against viruses, spyware, and other potentially ...
[ "T1685" ]
[ "defense-impairment" ]
high
stable
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide#event-id-5101", "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md", "https://craigclouditpro.wordpress.com/2020/03/04/hunt...
EventID=5101
EventID:5101
null
windows/builtin/windefend/win_defender_antimalware_platform_expired.yml
117d3d3a-755c-4a61-b23e-9171146d094c
Suspicious Outlook Macro Created
Detects the creation of a macro file for Outlook.
windows
file_event
title: Suspicious Outlook Macro Created id: 117d3d3a-755c-4a61-b23e-9171146d094c related: - id: 8c31f563-f9a7-450c-bfa8-35f8f32f1f61 type: derived status: test description: Detects the creation of a macro file for Outlook. references: - https://www.mdsec.co.uk/2020/11/a-fresh-outlook-on-mail-based-persistence/ - http...
[ "T1137", "T1008", "T1546" ]
[ "privilege-escalation", "persistence", "command-and-control" ]
high
test
[ "Unlikely" ]
[ "https://www.mdsec.co.uk/2020/11/a-fresh-outlook-on-mail-based-persistence/", "https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=53", "https://www.linkedin.com/pulse/outlook-backdoor-using-vba-samir-b-/" ]
TargetFilename="*\\Microsoft\\Outlook\\VbaProject.OTM" NOT Image="*\\outlook.exe"
TargetFilename:*\\Microsoft\\Outlook\\VbaProject.OTM AND (NOT Image:*\\outlook.exe)
DeviceFileEvents | where FolderPath endswith "\\Microsoft\\Outlook\\VbaProject.OTM" and (not(InitiatingProcessFolderPath endswith "\\outlook.exe"))
windows/file/file_event/file_event_win_office_outlook_susp_macro_creation.yml
992dd79f-dde8-4bb0-9085-6350ba97cfb3
New BgInfo.EXE Custom VBScript Registry Configuration
Detects setting of a new registry value related to BgInfo configuration, which can be abused to execute custom VBScript via "BgInfo.exe"
windows
registry_set
title: New BgInfo.EXE Custom VBScript Registry Configuration id: 992dd79f-dde8-4bb0-9085-6350ba97cfb3 related: - id: cd277474-5c52-4423-a52b-ac2d7969902f type: similar status: test description: Detects setting of a new registry value related to BgInfo configuration, which can be abused to execute custom VBScript vi...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
medium
test
[ "Legitimate VBScript" ]
[ "Internal Research" ]
TargetObject="*\\Software\\Winternals\\BGInfo\\UserFields\\*" Details="4*"
TargetObject:*\\Software\\Winternals\\BGInfo\\UserFields\\* AND Details:4*
DeviceRegistryEvents | where RegistryKey endswith "\\Software\\Winternals\\BGInfo\\UserFields*" and RegistryValueData startswith "4"
windows/registry/registry_set/registry_set_bginfo_custom_vbscript.yml
844f8eb2-610b-42c8-89a4-47596e089663
Potential ShellDispatch.DLL Sideloading
Detects potential DLL sideloading of "ShellDispatch.dll"
windows
image_load
title: Potential ShellDispatch.DLL Sideloading id: 844f8eb2-610b-42c8-89a4-47596e089663 status: test description: Detects potential DLL sideloading of "ShellDispatch.dll" references: - https://www.hexacorn.com/blog/2023/06/07/this-lolbin-doesnt-exist/ author: X__Junior (Nextron Systems) date: 2023-06-20 tags: - attack....
[ "T1574.001" ]
[ "persistence", "privilege-escalation", "execution", "stealth" ]
medium
test
[ "Some installers may trigger some false positives" ]
[ "https://www.hexacorn.com/blog/2023/06/07/this-lolbin-doesnt-exist/" ]
ImageLoaded="*\\ShellDispatch.dll" NOT ((ImageLoaded="*:\\Users\\*" ImageLoaded="*\\AppData\\Local\\Temp\\*") OR ImageLoaded="*:\\Windows\\Temp\\*")
ImageLoaded:*\\ShellDispatch.dll AND (NOT ((ImageLoaded:*\:\\Users\\* AND ImageLoaded:*\\AppData\\Local\\Temp\\*) OR ImageLoaded:*\:\\Windows\\Temp\\*))
DeviceImageLoadEvents | where FolderPath endswith "\\ShellDispatch.dll" and (not(((FolderPath contains ":\\Users\\" and FolderPath contains "\\AppData\\Local\\Temp\\") or FolderPath contains ":\\Windows\\Temp\\")))
windows/image_load/image_load_side_load_shelldispatch.yml
b1bc08d1-8224-4758-a0e6-fbcfc98c73bb
Roles Assigned Outside PIM
Identifies when a privilege role assignment has taken place outside of PIM and may indicate an attack.
azure
pim
title: Roles Assigned Outside PIM id: b1bc08d1-8224-4758-a0e6-fbcfc98c73bb status: test description: Identifies when a privilege role assignment has taken place outside of PIM and may indicate an attack. references: - https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-config...
[ "T1078" ]
[ "initial-access", "stealth", "persistence", "privilege-escalation" ]
high
test
[ "Investigate where users are being assigned privileged roles outside of Privileged Identity Management and prohibit future assignments from there." ]
[ "https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-are-being-assigned-outside-of-privileged-identity-management" ]
riskEventType="rolesAssignedOutsidePrivilegedIdentityManagementAlertConfiguration"
riskEventType:rolesAssignedOutsidePrivilegedIdentityManagementAlertConfiguration
null
cloud/azure/privileged_identity_management/azure_pim_role_assigned_outside_of_pim.yml
1e8a9b4d-3c2a-4f9b-8d1e-7c6a5b4f3d2e
PowerShell Defender Threat Severity Default Action Set to 'Allow' or 'NoAction'
Detects the use of PowerShell to execute the 'Set-MpPreference' cmdlet to configure Windows Defender's threat severity default action to 'Allow' (value '6') or 'NoAction' (value '9'). This is a highly suspicious configuration change that effectively disables Defender's ability to automatically mitigate threats of a cer...
windows
process_creation
title: PowerShell Defender Threat Severity Default Action Set to 'Allow' or 'NoAction' id: 1e8a9b4d-3c2a-4f9b-8d1e-7c6a5b4f3d2e related: - id: 5a9e1b2c-8f7d-4a1e-9b3c-0f6d7e5a4b1f type: similar status: experimental description: 'Detects the use of PowerShell to execute the ''Set-MpPreference'' cmdlet to configure Win...
[ "T1685" ]
[ "defense-impairment" ]
high
experimental
[ "Highly unlikely" ]
[ "https://learn.microsoft.com/en-us/powershell/module/defender/set-mppreference", "https://learn.microsoft.com/en-us/windows-hardware/customize/desktop/unattend/security-malware-windows-defender-threatseveritydefaultaction", "https://research.splunk.com/endpoint/7215831c-8252-4ae3-8d43-db588e82f952", "https://...
CommandLine="*Set-MpPreference*" CommandLine IN ("*-LowThreatDefaultAction*", "*-ModerateThreatDefaultAction*", "*-HighThreatDefaultAction*", "*-SevereThreatDefaultAction*", "*-ltdefac *", "*-mtdefac *", "*-htdefac *", "*-stdefac *") CommandLine IN ("*Allow*", "*6*", "*NoAction*", "*9*")
CommandLine:*Set\-MpPreference* AND (CommandLine:(*\-LowThreatDefaultAction* OR *\-ModerateThreatDefaultAction* OR *\-HighThreatDefaultAction* OR *\-SevereThreatDefaultAction* OR *\-ltdefac\ * OR *\-mtdefac\ * OR *\-htdefac\ * OR *\-stdefac\ *)) AND (CommandLine:(*Allow* OR *6* OR *NoAction* OR *9*))
DeviceProcessEvents | where ProcessCommandLine contains "Set-MpPreference" and (ProcessCommandLine contains "-LowThreatDefaultAction" or ProcessCommandLine contains "-ModerateThreatDefaultAction" or ProcessCommandLine contains "-HighThreatDefaultAction" or ProcessCommandLine contains "-SevereThreatDefaultAction" or Pro...
windows/process_creation/proc_creation_win_defender_default_action_modified.yml
c8b00925-926c-47e3-beea-298fd563728e
Remote Access Tool Services Have Been Installed - Security
Detects service installation of different remote access tools software. These software are often abused by threat actors to perform
windows
security
title: Remote Access Tool Services Have Been Installed - Security id: c8b00925-926c-47e3-beea-298fd563728e related: - id: 1a31b18a-f00c-4061-9900-f735b96c99fc type: similar status: test description: Detects service installation of different remote access tools software. These software are often abused by threat act...
[ "T1543.003", "T1569.002" ]
[ "privilege-escalation", "persistence", "execution" ]
medium
test
[ "The rule doesn't look for anything suspicious so false positives are expected. If you use one of the tools mentioned, comment it out" ]
[ "https://redcanary.com/blog/misbehaving-rats/" ]
EventID=4697 ServiceName IN ("*AmmyyAdmin*", "*AnyDesk*", "*Atera*", "*BASupportExpressSrvcUpdater*", "*BASupportExpressStandaloneService*", "*chromoting*", "*GoToAssist*", "*GoToMyPC*", "*jumpcloud*", "*LMIGuardianSvc*", "*LogMeIn*", "*monblanking*", "*Parsec*", "*RManService*", "*RPCPerformanceService*", "*RPCService...
EventID:4697 AND (ServiceName:(*AmmyyAdmin* OR *AnyDesk* OR *Atera* OR *BASupportExpressSrvcUpdater* OR *BASupportExpressStandaloneService* OR *chromoting* OR *GoToAssist* OR *GoToMyPC* OR *jumpcloud* OR *LMIGuardianSvc* OR *LogMeIn* OR *monblanking* OR *Parsec* OR *RManService* OR *RPCPerformanceService* OR *RPCServic...
null
windows/builtin/security/win_security_service_install_remote_access_software.yml
99c8be4f-3087-4f9f-9c24-8c7e257b442e
Setup16.EXE Execution With Custom .Lst File
Detects the execution of "Setup16.EXE" and old installation utility with a custom ".lst" file. These ".lst" file can contain references to external program that "Setup16.EXE" will execute. Attackers and adversaries might leverage this as a living of the land utility.
windows
process_creation
title: Setup16.EXE Execution With Custom .Lst File id: 99c8be4f-3087-4f9f-9c24-8c7e257b442e status: test description: 'Detects the execution of "Setup16.EXE" and old installation utility with a custom ".lst" file. These ".lst" file can contain references to external program that "Setup16.EXE" will execute. Attack...
[ "T1574.005" ]
[ "privilege-escalation", "persistence", "execution", "stealth" ]
medium
test
[ "On modern Windows system, the \"Setup16\" utility is practically never used, hence false positive should be very rare." ]
[ "https://www.hexacorn.com/blog/2024/10/12/the-sweet16-the-oldbin-lolbin-called-setup16-exe/" ]
ParentImage="C:\\Windows\\SysWOW64\\setup16.exe" ParentCommandLine="* -m *" NOT Image="C:\\~MSSETUP.T\\*"
(ParentImage:C\:\\Windows\\SysWOW64\\setup16.exe AND ParentCommandLine:*\ \-m\ *) AND (NOT Image:C\:\\\~MSSETUP.T\\*)
DeviceProcessEvents | where (InitiatingProcessFolderPath =~ "C:\\Windows\\SysWOW64\\setup16.exe" and InitiatingProcessCommandLine contains " -m ") and (not(FolderPath startswith "C:\\~MSSETUP.T\\"))
windows/process_creation/proc_creation_win_setup16_custom_lst_execution.yml
0fc35fc3-efe6-4898-8a37-0b233339524f
Suspicious ScreenSave Change by Reg.exe
Adversaries may establish persistence by executing malicious content triggered by user inactivity. Screensavers are programs that execute after a configurable time of user inactivity and consist of Portable Executable (PE) files with a .scr file extension
windows
process_creation
title: Suspicious ScreenSave Change by Reg.exe id: 0fc35fc3-efe6-4898-8a37-0b233339524f status: test description: 'Adversaries may establish persistence by executing malicious content triggered by user inactivity. Screensavers are programs that execute after a configurable time of user inactivity and consist of Port...
[ "T1546.002" ]
[ "persistence", "privilege-escalation" ]
medium
test
[ "GPO" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1546.002/T1546.002.md", "https://www.welivesecurity.com/wp-content/uploads/2017/08/eset-gazer.pdf" ]
Image="*\\reg.exe" CommandLine IN ("*HKEY_CURRENT_USER\\Control Panel\\Desktop*", "*HKCU\\Control Panel\\Desktop*") (CommandLine="*/v ScreenSaveActive*" CommandLine="*/t REG_SZ*" CommandLine="*/d 1*" CommandLine="*/f*") OR (CommandLine="*/v ScreenSaveTimeout*" CommandLine="*/t REG_SZ*" CommandLine="*/d *" CommandLine="...
(Image:*\\reg.exe AND (CommandLine:(*HKEY_CURRENT_USER\\Control\ Panel\\Desktop* OR *HKCU\\Control\ Panel\\Desktop*))) AND ((CommandLine:*\/v\ ScreenSaveActive* AND CommandLine:*\/t\ REG_SZ* AND CommandLine:*\/d\ 1* AND CommandLine:*\/f*) OR (CommandLine:*\/v\ ScreenSaveTimeout* AND CommandLine:*\/t\ REG_SZ* AND Comman...
DeviceProcessEvents | where (FolderPath endswith "\\reg.exe" and (ProcessCommandLine contains "HKEY_CURRENT_USER\\Control Panel\\Desktop" or ProcessCommandLine contains "HKCU\\Control Panel\\Desktop")) and ((ProcessCommandLine contains "/v ScreenSaveActive" and ProcessCommandLine contains "/t REG_SZ" and ProcessCommand...
windows/process_creation/proc_creation_win_reg_screensaver.yml
cd8c163e-a19b-402e-bdd5-419ff5859f12
HackTool - ADCSPwn Execution
Detects command line parameters used by ADCSPwn, a tool to escalate privileges in an active directory network by coercing authenticate from machine accounts and relaying to the certificate service
windows
process_creation
title: HackTool - ADCSPwn Execution id: cd8c163e-a19b-402e-bdd5-419ff5859f12 status: test description: Detects command line parameters used by ADCSPwn, a tool to escalate privileges in an active directory network by coercing authenticate from machine accounts and relaying to the certificate service references: - http...
[ "T1557.001" ]
[ "collection", "credential-access" ]
high
test
[ "Unlikely" ]
[ "https://github.com/bats3c/ADCSPwn" ]
CommandLine="* --adcs *" CommandLine="* --port *"
CommandLine:*\ \-\-adcs\ * AND CommandLine:*\ \-\-port\ *
DeviceProcessEvents | where ProcessCommandLine contains " --adcs " and ProcessCommandLine contains " --port "
windows/process_creation/proc_creation_win_hktl_adcspwn.yml
3603f18a-ec15-43a1-9af2-d196c8a7fec6
System Integrity Protection (SIP) Disabled
Detects the use of csrutil to disable the Configure System Integrity Protection (SIP). This technique is used in post-exploit scenarios.
macos
process_creation
title: System Integrity Protection (SIP) Disabled id: 3603f18a-ec15-43a1-9af2-d196c8a7fec6 status: test description: 'Detects the use of csrutil to disable the Configure System Integrity Protection (SIP). This technique is used in post-exploit scenarios. ' references: - https://ss64.com/osx/csrutil.html - https://...
[ "T1518.001" ]
[ "discovery" ]
medium
test
[ "Unknown" ]
[ "https://ss64.com/osx/csrutil.html", "https://objective-see.org/blog/blog_0x6D.html", "https://www.welivesecurity.com/2017/10/20/osx-proton-supply-chain-attack-elmedia/", "https://www.virustotal.com/gui/file/05a2adb266ec6c0ba9ed176d87d8530e71e845348c13caf9f60049760c312cd3/behavior" ]
Image="*/csrutil" CommandLine="*disable*"
Image:*\/csrutil AND CommandLine:*disable*
DeviceProcessEvents | where FolderPath endswith "/csrutil" and ProcessCommandLine contains "disable"
macos/process_creation/proc_creation_macos_csrutil_disable.yml
63e3365d-4824-42d8-8b82-e56810fefa0c
Invoke-Obfuscation Via Use Clip - System
Detects Obfuscated Powershell via use Clip.exe in Scripts
windows
system
title: Invoke-Obfuscation Via Use Clip - System id: 63e3365d-4824-42d8-8b82-e56810fefa0c status: test description: Detects Obfuscated Powershell via use Clip.exe in Scripts references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Nikita Nazarov, oscd.community date: 2020-10-09 modified: 2022-11-29 tags: - att...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
Provider_Name="Service Control Manager" EventID=7045 ImagePath="*(Clipboard|i*"
Provider_Name:"Service Control Manager" AND EventID:7045 AND ImagePath:*\(Clipboard\|i*
null
windows/builtin/system/service_control_manager/win_system_invoke_obfuscation_via_use_clip_services.yml
c09dad97-1c78-4f71-b127-7edb2b8e491a
Execution of Suspicious File Type Extension
Detects whether the image specified in a process creation event doesn't refer to an ".exe" (or other known executable extension) file. This can be caused by process ghosting or other unorthodox methods to start a process. This rule might require some initial baselining to align with some third party tooling in the user...
windows
process_creation
title: Execution of Suspicious File Type Extension id: c09dad97-1c78-4f71-b127-7edb2b8e491a status: test description: 'Detects whether the image specified in a process creation event doesn''t refer to an ".exe" (or other known executable extension) file. This can be caused by process ghosting or other unorthodox meth...
[]
[ "stealth" ]
medium
test
[ "Unknown" ]
[ "https://pentestlaboratories.com/2021/12/08/process-ghosting/" ]
NOT (Image IN ("*.bin", "*.cgi", "*.com", "*.exe", "*.scr", "*.tmp")) NOT (Image IN ("System", "Registry", "MemCompression", "vmmem") OR Image="*:\\Windows\\Installer\\MSI*" OR Image="*:\\Windows\\System32\\DriverStore\\FileRepository\\*" OR (Image="*:\\Config.Msi\\*" Image IN ("*.rbf", "*.rbs")) OR ParentImage="*:\\Wi...
(NOT (Image:(*.bin OR *.cgi OR *.com OR *.exe OR *.scr OR *.tmp))) AND (NOT ((Image:(System OR Registry OR MemCompression OR vmmem)) OR Image:*\:\\Windows\\Installer\\MSI* OR Image:*\:\\Windows\\System32\\DriverStore\\FileRepository\\* OR (Image:*\:\\Config.Msi\\* AND (Image:(*.rbf OR *.rbs))) OR (ParentImage:*\:\\Wind...
DeviceProcessEvents | where (not((FolderPath endswith ".bin" or FolderPath endswith ".cgi" or FolderPath endswith ".com" or FolderPath endswith ".exe" or FolderPath endswith ".scr" or FolderPath endswith ".tmp"))) and (not(((FolderPath in~ ("System", "Registry", "MemCompression", "vmmem")) or FolderPath contains ":\\Wi...
windows/process_creation/proc_creation_win_susp_non_exe_image.yml
28268a8f-191f-4c17-85b2-f5aa4fa829c3
Google Cloud DNS Zone Modified or Deleted
Identifies when a DNS Zone is modified or deleted in Google Cloud.
gcp
gcp.audit
title: Google Cloud DNS Zone Modified or Deleted id: 28268a8f-191f-4c17-85b2-f5aa4fa829c3 status: test description: Identifies when a DNS Zone is modified or deleted in Google Cloud. references: - https://cloud.google.com/dns/docs/reference/v1/managedZones author: Austin Songer @austinsonger date: 2021-08-15 modified: ...
[]
[ "impact" ]
medium
test
[ "Unknown" ]
[ "https://cloud.google.com/dns/docs/reference/v1/managedZones" ]
gcp.audit.method_name IN ("Dns.ManagedZones.Delete", "Dns.ManagedZones.Update", "Dns.ManagedZones.Patch")
gcp.audit.method_name:(Dns.ManagedZones.Delete OR Dns.ManagedZones.Update OR Dns.ManagedZones.Patch)
null
cloud/gcp/audit/gcp_dns_zone_modified_or_deleted.yml