Query: alert when Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege
Matching passage: Sigma rule: Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege. Logsource: windows / process_creation. Rule: title: Always Install Elevated Windows Installer id: cd951fdc-4b2f-47f5-ba99-a33bf61e3770 status: test description: Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege references: - https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-48-638.jpg author: Teymur Kheirkhabarov (idea), Mangatas Tondang (rule), oscd.community date: 2020-10-13 modified: 2024-12-01 tags: - attack.privilege-escalation - attack.t1548.002 logsource: product: windows category: process_creation detection: selection_user: User|contains: - AUTHORI - AUTORI selection_image_1: Image|contains|all: - \Windows\Installer\ - msi Image|endswith: tmp selection_image_2: Image|endswith: \msiexec.exe IntegrityLevel: - System - S-1-16-16384 filter_installer: ParentImage: C:\Windows\System32\services.exe filter_repair: - CommandLine|endswith: \system32\msiexec.exe /V - ParentCommandLine|endswith: \system32\msiexec.exe /V filter_sophos: ParentImage|startswith: C:\ProgramData\Sophos\ filter_avira: ParentImage|startswith: C:\ProgramData\Avira\ filter_avast: ParentImage|startswith: - C:\Program Files\Avast Software\ - C:\Program Files (x86)\Avast Software\ filter_google_update: ParentImage|startswith: - C:\Program Files\Google\Update\ - C:\Program Files (x86)\Google\Update\ condition: 1 of selection_image_* and selection_user and not 1 of filter_* falsepositives: - System administrator usage - Anti virus products - WindowsApps located in "C:\Program Files\WindowsApps\" level: medium
Near-miss passage: Sigma rule: Detects the creation of Self Extraction Directive files (.sed) in a potentially suspicious location. These files are use. Logsource: windows / file_event. Rule: title: Self Extraction Directive File Created In Potentially Suspicious Location id: 760e75d8-c3b5-409b-a9bf-6130b4c4603f related: - id: ab90dab8-c7da-4010-9193-563528cfa347 type: derived status: test description: 'Detects the creation of Self Extraction Directive files (.sed) in a potentially suspicious location. These files are used by the "iexpress.exe" utility in order to create self extracting packages. Attackers were seen abusing this utility and creating PE files with embedded ".sed" entries. ' references: - https://strontic.github.io/xcyclopedia/library/iexpress.exe-D594B2A33EFAFD0EABF09E3FDC05FCEA.html - https://en.wikipedia.org/wiki/IExpress - https://www.virustotal.com/gui/file/602f4ae507fa8de57ada079adff25a6c2a899bd25cd092d0af7e62cdb619c93c/behavior author: Joseliyo Sanchez, @Joseliyo_Jstnk date: 2024-02-05 tags: - attack.stealth - attack.t1218 logsource: category: file_event product: windows detection: selection: TargetFilename|contains: - :\ProgramData\ - :\Temp\ - :\Windows\System32\Tasks\ - :\Windows\Tasks\ - :\Windows\Temp\ - \AppData\Local\Temp\ TargetFilename|endswith: .sed condition: selection falsepositives: - Unknown level: medium