Suspicious Azure Owner Removed From Application or Service Principal (via auditlogs)

title: Suspicious Azure Owner Removed From Application or Service Principal (via auditlogs)
id: 8536c006-8fa5-5801-8351-7e8c037f05fe
status: stable
description: This rule detects when a owner is was removed from a application or service principal in Azure.
references:
    - https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory
author: Huntrule Team
date: 2026-01-20
tags:
    - attack.stealth
    - attack.persistence
    - attack.t1098
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        operationName:
            - 'Remove owner from service principal'
            - 'Remove owner from application'
    condition: selection
falsepositives:
    - Unknown
level: medium