Changes To PIM Settings — Sigma Rule

Rule metadata and linked tags

Author: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'. Source status: test; severity: high. Source dates: 2022-08-09 / not supplied.

{
  "product": "azure",
  "service": "auditlogs"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f39b189386852c2f2244431dd5b00ef37bee5379ec1b627bb60ecdfba054b206

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Changes To PIM Settings
id: db6c06c4-bf3b-421c-aa88-15672b88c743
status: test
description: Detects when changes are made to PIM roles
references:
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-identity-management#azure-ad-roles-assignment
author: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'
date: 2022-08-09
tags:
    - attack.initial-access
    - attack.privilege-escalation
    - attack.persistence
    - attack.stealth
    - attack.t1078.004
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        properties.message: Update role setting in PIM
    condition: selection
falsepositives:
    - Legit administrative PIM setting configuration changes
level: high

Original YAML and metadata in JSON

False positives

• Legit administrative PIM setting configuration changes

Source references

• https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-identity-management#azure-ad-roles-assignment