Query: detection rule: 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 a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-. Logsource: windows / process_creation. Rule: title: Terminal Service Process Spawn id: 1012f107-b8f1-4271-af30-5aed2de89b39 status: test description: Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708) references: - https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/rdp-stands-for-really-do-patch-understanding-the-wormable-rdp-vulnerability-cve-2019-0708/ author: Florian Roth (Nextron Systems) date: 2019-05-22 modified: 2023-01-25 tags: - attack.initial-access - attack.t1190 - attack.lateral-movement - attack.t1210 - car.2013-07-002 logsource: product: windows category: process_creation detection: selection: ParentCommandLine|contains|all: - \svchost.exe - termsvcs filter_img: Image|endswith: - \rdpclip.exe - :\Windows\System32\csrss.exe - :\Windows\System32\wininit.exe - :\Windows\System32\winlogon.exe filter_null: Image: null condition: selection and not 1 of filter_* falsepositives: - Unknown level: high