Query: Sigma YAML for windows / process_creation
Matching passage: Sigma rule: Threat actors can use an older version of the auditpol binary available inside the NT resource kit to change audit polic. Logsource: windows / process_creation. Rule: title: Audit Policy Tampering Via NT Resource Kit Auditpol id: c6c56ada-612b-42d1-9a29-adad3c5c2c1e related: - id: 0a13e132-651d-11eb-ae93-0242ac130002 type: similar status: test description: 'Threat actors can use an older version of the auditpol binary available inside the NT resource kit to change audit policy configuration to impair detection capability. This can be carried out by selectively disabling/removing certain audit policies as well as restoring a custom policy owned by the threat actor. ' references: - https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Windows%202000%20Resource%20Kit%20Tools/AuditPol author: Nasreddine Bencherchali (Nextron Systems) date: 2021-12-18 modified: 2023-02-21 tags: - attack.defense-impairment - attack.t1685.001 logsource: category: process_creation product: windows detection: selection: CommandLine|contains: - /logon:none - /system:none - /sam:none - /privilege:none - /object:none - /process:none - /policy:none condition: selection falsepositives: - The old auditpol utility isn't available by default on recent versions of Windows as it was replaced by a newer version. The FP rate should be very low except for tools that use a similar flag structure level: high
Near-miss passage: Sigma rule: Adversaries may abuse msiexec.exe to proxy execution of malicious payloads. Msiexec.exe is the command-line utility for. Logsource: windows / process_creation. Rule: 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 (.msi) ' references: - 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 author: frack113 date: 2022-01-16 modified: 2026-07-28 tags: - attack.stealth - attack.t1218.007 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \msiexec.exe - OriginalFileName: msiexec.exe selection_cli: CommandLine|contains|windash: - -i - -package - -a - -j selection_quiet: CommandLine|contains|windash: -q filter_main_system_temp: ParentImage|startswith: C:\Windows\Temp\ filter_main_ccm: ParentImage: C:\Windows\CCM\Ccm32BitLauncher.exe IntegrityLevel: - System - S-1-16-16384 filter_optional_user_temp: ParentImage|startswith: C:\Users\ ParentImage|contains: \AppData\Local\Temp\ filter_optional_wsl: ParentImage|endswith: C:\Windows\System32\wsl.exe Image|endswith: C:\Windows\System32\msiexec.exe condition: all of selection_* and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - WindowsApps installing updates via the quiet flag level: medium