Suspicious GPO Discovery With Get-GPO

Title: Suspicious GPO Discovery With Get-GPO
Status: test
Description:Detect use of Get-GPO to get one GPO or all the GPOs in a domain.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1615/T1615.md
  -https://learn.microsoft.com/en-us/powershell/module/grouppolicy/get-gpo?view=windowsserver2022-ps
Author: frack113
Date: 2022-06-04
modified:None
Tags:

• -'attack.discovery'
• -'attack.t1615'

Logsource:

• product: windows
• category: ps_script
• definition: Requirements: Script Block Logging must be enabled

Detection:
  selection:
    ScriptBlockText|contains: 'Get-GPO'
  condition:selection
Falsepositives:
  -Legitimate PowerShell scripts
Level: low