AD Groups Or Users Enumeration Using PowerShell - ScriptBlock

Title: AD Groups Or Users Enumeration Using PowerShell - ScriptBlock
Status: test
Description:Adversaries may attempt to find domain-level groups and permission settings. The knowledge of domain-level permission groups can help adversaries determine which groups exist and which users belong to a particular group. Adversaries may use this information to determine which users have elevated permissions, such as domain administrators.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.002/T1069.002.md
Author: frack113
Date: 2021-12-15
modified:2022-12-25
Tags:

• -'attack.discovery'
• -'attack.t1069.001'

Logsource:

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

Detection:
  test_2:
    ScriptBlockText|contains: 'get-ADPrincipalGroupMembership'
  test_7:
    ScriptBlockText|contains|all:
      -'get-aduser'
      -'-f '
      -'-pr '
      -'DoesNotRequirePreAuth'

  condition:1 of test_*
Falsepositives:
  -Unknown
Level: low