Suspicious Group Policy Misuse for Privilege Addition (via security)

title: Suspicious Group Policy Misuse for Privilege Addition (via security)
id: 513f171f-7ba4-5ff5-bb01-da52902e227f
status: stable
description: This 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.
author: Huntrule Team
references:
    - https://attack.mitre.org/techniques/T1484/001/
    - https://www.elastic.co/guide/en/security/current/group-policy-abuse-for-privilege-addition.html#_setup_275
date: 2026-06-01
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:
    - Unknown
level: medium