Suspicious Removal of Azure Service Principal (via auditlogs)
This rule detects when a service principal was removed in Azure.
SigmamediumCloudv1
sigma
suspicious-removal-of-azure-service-principal-via-auditlogs
title: Suspicious Removal of Azure Service Principal (via auditlogs)
id: bc0dc78a-151e-5ade-8a86-b2411756b743
status: stable
description: This rule detects when a service principal was removed in Azure.
references:
- https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory
- https://techcommunity.microsoft.com/blog/microsoft-entra-blog/keeping-track-of-object-deletions-in-microsoft-entra-id/4053415
author: Huntrule Team
date: 2026-07-01
tags:
- attack.stealth
- attack.impact
- attack.t1531
logsource:
product: azure
service: auditlogs
detection:
selection:
operationName: 'Remove service principal'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.