Query: alert when Detects tampering with the "Enabled" registry key in order to disable Windows logging of a Windows event channel
Matching passage: Sigma rule: Detects tampering with the "Enabled" registry key in order to disable Windows logging of a Windows event channel. Logsource: windows / registry_set. Rule: title: Disable Windows Event Logging Via Registry id: 2f78da12-f7c7-430b-8b19-a28f269b77a3 status: test description: Detects tampering with the "Enabled" registry key in order to disable Windows logging of a Windows event channel references: - https://twitter.com/WhichbufferArda/status/1543900539280293889 - https://github.com/DebugPrivilege/CPP/blob/c39d365617dbfbcb01fffad200d52b6239b2918c/Windows%20Defender/RestoreDefenderConfig.cpp author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2022-07-04 modified: 2024-03-25 tags: - attack.defense-impairment - attack.t1685.001 logsource: category: registry_set product: windows detection: selection: TargetObject|contains: \Microsoft\Windows\CurrentVersion\WINEVT\Channels\ TargetObject|endswith: \Enabled Details: DWORD (0x00000000) filter_main_wevutil: Image: C:\Windows\system32\wevtutil.exe filter_main_iis: Image|startswith: C:\Windows\winsxs\ Image|endswith: \TiWorker.exe filter_main_svchost: Image: C:\Windows\System32\svchost.exe TargetObject|contains: - \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-FileInfoMinifilter - \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-ASN1\ - \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Kernel-AppCompat\ - \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Runtime\Error\ - \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-CAPI2/Operational\ filter_main_trusted_installer: Image: C:\Windows\servicing\TrustedInstaller.exe TargetObject|contains: \Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Compat-Appraiser filter_optional_empty: Image: '' filter_optional_null: Image: null condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Rare falsepositives may occur from legitimate administrators disabling specific event log for troubleshooting level: high
Near-miss passage: Sigma rule: Detects driver load of the System Informer tool. Logsource: windows / driver_load. Rule: title: PUA - System Informer Driver Load id: 10cb6535-b31d-4512-9962-513dcbc42cc1 related: - id: 67add051-9ee7-4ad3-93ba-42935615ae8d type: similar status: test description: Detects driver load of the System Informer tool references: - https://systeminformer.sourceforge.io/ - https://github.com/winsiderss/systeminformer author: Florian Roth (Nextron Systems) date: 2023-05-08 modified: 2024-11-23 tags: - attack.persistence - attack.privilege-escalation - attack.t1543 logsource: category: driver_load product: windows detection: selection: - ImageLoaded|endswith: \SystemInformer.sys - Hashes|contains: - SHA256=8B9AD98944AC9886EA4CB07700E71B78BE4A2740934BB7E46CA3B56A7C59AD24 - SHA256=A41348BEC147CA4D9EA2869817527EB5CEA2E20202AF599D2B30625433BCF454 - SHA256=38EE0A88AF8535A11EFE8D8DA9C6812AA07067B75A64D99705A742589BDD846D - SHA256=A773891ACF203A7EB0C0D30942FB1347648F1CD918AE2BFD9A4857B4DCF5081B - SHA256=4C3B81AC88A987BBDF7D41FA0AECC2CEDF5B9BD2F45E7A21F376D05345FC211D - SHA256=3241BC14BEC51CE6A691B9A3562E5C1D52E9D057D27A3D67FD0B245C350B6D34 - SHA256=047C42E9BBA28366868847C7DAFC1E043FB038C796422D37220493517D68EE89 - SHA256=18931DC81E95D0020466FA091E16869DBE824E543A4C2C8FE644FA71A0F44FEB - SHA256=B4C2EF76C204273132FDE38F0DED641C2C5EE767652E64E4C4071A4A973B6C1B - SHA256=640954AFC268565F7DAA6E6F81A8EE05311E33E34332B501A3C3FE5B22ADEA97 - SHA256=251BE949F662C838718F8AA0A5F8211FB90346D02BD63FF91E6B224E0E01B656 - SHA256=E2606F272F7BA054DF16BE464FDA57211EF0D14A0D959F9C8DCB0575DF1186E4 - SHA256=3A9E1D17BEEB514F1B9B3BACAEE7420285DE5CBDCE89C5319A992C6CBD1DE138 condition: selection falsepositives: - System Informer is regularly used legitimately by system administrators or developers. Apply additional filters accordingly level: medium