Sigma rule: Remove Account From Domain Admin Group

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-de4a3f953d89, updated 2021-12-26T00:00:00.000Z.

Rule

Title
Remove Account From Domain Admin Group
Status
test
Level
medium
Author
frack113
Date
2021-12-26
File
rules/windows/powershell/powershell_script/posh_ps_susp_remove_adgroupmember.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Adversaries may interrupt availability of system and network resources by inhibiting access to accounts utilized by legitimate users.
Accounts may be deleted, locked, or manipulated (ex: changed credentials) to remove access to accounts.

Log source

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

Detection

selection:
    ScriptBlockText|contains|all:
        - 'Remove-ADGroupMember'
        - '-Identity '
        - '-Members '
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.impact
  • attack.t1531

MITRE ATT&CK ids this rule names

References

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_script/posh_ps_susp_remove_adgroupmember.yml

Sources and licences

  • SigmaHQ

    "Remove Account From Domain Admin Group" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_susp_remove_adgroupmember.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Remove Account From Domain Admin Group",
entity page, dataset version ref-de4a3f953d89, updated 2021-12-26T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/48a45d45-8112-416b-8a67-46e03a4b2107 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 48a45d45-8112-416b-8a67-46e03a4b2107, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.