Suspicious Google Workspace User Granted Admin Privileges (via google_workspace.admin)

title: Suspicious Google Workspace User Granted Admin Privileges (via google_workspace.admin)
id: d0f08bd0-ab1f-5e7a-bebd-70faf999bb66
status: stable
description: This rule detects when an Google Workspace user is granted admin privileges.
references:
    - https://attack.mitre.org/techniques/T1098/
    - https://cloud.google.com/logging/docs/audit/gsuite-audit-logging#3
    - https://developers.google.com/admin-sdk/reports/v1/appendix/activity/admin-user-settings#GRANT_ADMIN_PRIVILEGE
author: Huntrule Team
date: 2026-07-20
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1098
logsource:
    product: gcp
    service: google_workspace.admin
detection:
    selection:
        eventService: admin.googleapis.com
        eventName:
            - GRANT_DELEGATED_ADMIN_PRIVILEGES
            - GRANT_ADMIN_PRIVILEGE
    condition: selection
falsepositives:
    - Unknown
level: medium