Detection rules › Sigma
Azure Service Principal Created
Identifies when a service principal is created in Azure.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | No specific technique |
Rule body yaml
title: Azure Service Principal Created
id: 0ddcff6d-d262-40b0-804b-80eb592de8e3
status: test
description: Identifies when a service principal is created in Azure.
references:
- https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#application-proxy
author: Austin Songer @austinsonger
date: 2021-09-02
modified: 2022-10-09
tags:
- attack.stealth
logsource:
product: azure
service: activitylogs
detection:
selection:
properties.message: 'Add service principal'
condition: selection
falsepositives:
- Service principal being created may be performed by a system administrator.
- Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
- Service principal created from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
properties.message: 'Add service principal'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
properties.message | eq |
|