Azure Subscription Permission Elevation Via ActivityLogs

testhigh
log source: azure · activitylogsauthor Austin Songer @austinsongerdate 2021-11-26
01

description

What this is, in brief.

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.

02

tags

attack.privilege-escalationattack.persistenceattack.initial-accessattack.stealthattack.t1078.004
03

rule source (YAML)

title: Azure Subscription Permission Elevation Via ActivityLogs
id: 09438caa-07b1-4870-8405-1dbafe3dad95
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/azure/role-based-access-control/resource-provider-operations#microsoftauthorization
author: Austin Songer @austinsonger
date: 2021-11-26
modified: 2022-08-23
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.initial-access
    - attack.stealth
    - attack.t1078.004
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName: MICROSOFT.AUTHORIZATION/ELEVATEACCESS/ACTION
    condition: selection
falsepositives:
    - If this was approved by System Administrator.
level: high
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.