PIM Alert Setting Changes To Disabled — 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: 618acd8212db2906aa0332ef32f9451bef634be64f479c150f8a9a2f2398dfd9

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: PIM Alert Setting Changes To Disabled
id: aeaef14c-e5bf-4690-a9c8-835caad458bd
status: test
description: Detects when PIM alerts are set to disabled.
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.persistence
    - attack.privilege-escalation
    - attack.stealth
    - attack.t1078
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        properties.message: Disable PIM Alert
    condition: selection
falsepositives:
    - Administrator disabling PIM alerts as an active choice.
level: high

Original YAML and metadata in JSON

False positives

• Administrator disabling PIM alerts as an active choice.

Source references

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