LoFP LoFP / windowsapps located in \"c:\program files\windowsapps\\"

Techniques

Sample rules

Always Install Elevated Windows Installer

Description

Detects Windows Installer service (msiexec.exe) trying to install MSI packages with SYSTEM privilege

Detection logic

condition: 1 of selection_image_* and selection_user and not 1 of filter_*
filter_avast:
  ParentImage|startswith:
  - C:\Program Files\Avast Software\
  - C:\Program Files (x86)\Avast Software\
filter_avira:
  ParentImage|startswith: C:\ProgramData\Avira\
filter_google_update:
  ParentImage|startswith:
  - C:\Program Files\Google\Update\
  - C:\Program Files (x86)\Google\Update\
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\
selection_image_1:
  Image|contains|all:
  - \Windows\Installer\
  - msi
  Image|endswith: tmp
selection_image_2:
  Image|endswith: \msiexec.exe
  IntegrityLevel: System
selection_user:
  User|contains:
  - AUTHORI
  - AUTORI