Azure Subscription Permission Elevation Via AuditLogs


Description

Detects when a user has been elevated to manage all Azure Subscriptions. This change should be investigated immediately if it isn't planned. This setting could allow an attacker access to Azure subscriptions in your environment.

Query · sigma

selection:
  Category: Administrative
  OperationName: Assigns the caller to user access admin
condition: selection

Known false positives

  • If this was approved by System Administrator.
Raw source Azure Subscription Permission Elevation Via AuditLogs · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Azure Subscription Permission Elevation Via AuditLogs
id: ca9bf243-465e-494a-9e54-bf9fc239057d
status: test
description: |
    Detects when a user has been elevated to manage all Azure Subscriptions.
    This change should be investigated immediately if it isn't planned.
    This setting could allow an attacker access to Azure subscriptions in your environment.
references:
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts#assignment-and-elevation
author: Austin Songer @austinsonger
date: 2021-11-26
modified: 2022-12-25
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.initial-access
    - attack.stealth
    - attack.t1078
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        Category: 'Administrative'
        OperationName: 'Assigns the caller to user access admin'
    condition: selection
falsepositives:
    - If this was approved by System Administrator.
level: high

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