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MediumMicrosoft Sentinel analytics

Multiple admin membership removals from newly created admin.

This query detects when newly created Global admin removes multiple existing global admins which can be an attempt by adversaries to lock down organization and retain sole access. Investigate reasoning and intention…

Description

This query detects when newly created Global admin removes multiple existing global admins which can be an attempt by adversaries to lock down organization and retain sole access. Investigate reasoning and intention of multiple membership removal by new Global admins and take necessary actions accordingly.

Detection logic

Detection requirements

Platform
ESXiIaaSLinuxmacOSOffice SuiteSaaSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
azureactivedirectory
Log source service
auditlogs

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