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Group Policy Abuse for Privilege Addition — Sigma Rule

Sigma rule 1c480e10-7ee1-46d4-8ed2-85f9789e3ce4. Group Policy Abuse for Privilege Addition — Sigma Rule. Detects the first occurrence of a modification to Group Policy Object Attributes to add privileges to user accounts or use them to add users as local admins.

Rule metadata and linked tags

Author: Elastic, Josh Nickels, Marius Rothenbücher. Source status: test; severity: medium. Source dates: 2024-09-04 / not supplied.

{
  "product": "windows",
  "service": "security",
  "definition": "Requirements: The \"Audit Directory Service Changes\" logging policy must be configured in order to receive events."
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 9f40619e2c097c652b058b2a29e8bc50550c967fccfc73a53a2bd3898908da6c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Group Policy Abuse for Privilege Addition
id: 1c480e10-7ee1-46d4-8ed2-85f9789e3ce4
status: test
description: |
    Detects the first occurrence of a modification to Group Policy Object Attributes to add privileges to user accounts or use them to add users as local admins.
author: Elastic, Josh Nickels, Marius Rothenbücher
references:
    - https://www.elastic.co/guide/en/security/current/group-policy-abuse-for-privilege-addition.html#_setup_275
date: 2024-09-04
tags:
    - attack.privilege-escalation
    - attack.defense-impairment
    - attack.t1484.001
logsource:
    product: windows
    service: security
    definition: 'Requirements: The "Audit Directory Service Changes" logging policy must be configured in order to receive events.'
detection:
    selection:
        EventID: 5136
        AttributeLDAPDisplayName: 'gPCMachineExtensionNames'
        AttributeValue|contains:
            - '827D319E-6EAC-11D2-A4EA-00C04F79F83A'
            - '803E14A0-B4FB-11D0-A0D0-00A0C90F574B'
    condition: selection
falsepositives:
    - Users allowed to perform these modifications (user found in field SubjectUserName)
level: medium

Original YAML and metadata in JSON

False positives

  • Users allowed to perform these modifications (user found in field SubjectUserName)

Source references

Connected ecosystem references

Exact source-tagged techniques

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.