Sigma rule: AD Groups Or Users Enumeration Using PowerShell - PoshModule

Rule

Title

AD Groups Or Users Enumeration Using PowerShell - PoshModule

Status

test

Level

low

Author

frack113

Date

2021-12-15

Modified

2023-01-20

File

rules/windows/powershell/powershell_module/posh_pm_susp_ad_group_reco.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

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.

Log source

product

windows

category

ps_module

definition

0ad03ef1-f21b-4a79-8ce8-e6900c54b65b

Detection

selection_ad_principal:
    - Payload|contains: 'get-ADPrincipalGroupMembership'
    - ContextInfo|contains: 'get-ADPrincipalGroupMembership'
selection_get_aduser:
    - Payload|contains|all:
          - get-aduser
          - '-f '
          - '-pr '
          - DoesNotRequirePreAuth
    - ContextInfo|contains|all:
          - get-aduser
          - '-f '
          - '-pr '
          - DoesNotRequirePreAuth
condition: 1 of selection_*

False positives (as the rule lists them)

• Administrator script

Tags

• attack.discovery
• attack.t1069.001

MITRE ATT&CK ids this rule names

• T1069.001

References

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.002/T1069.002.md

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_module/posh_pm_susp_ad_group_reco.yml