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MediumMicrosoft Sentinel analytics

Suspicious Entra ID Joined Device Update

This query looks for suspicious updates to an Microsoft Entra ID joined device where the device name is changed and the device falls out of compliance. This could occur when a threat actor updates the details of an…

Description

This query looks for suspicious updates to an Microsoft Entra ID joined device where the device name is changed and the device falls out of compliance. This could occur when a threat actor updates the details of an Autopilot provisioned device using a stolen device ticket, in order to access certificates and keys. Ref: https://dirkjanm.io/assets/raw/Insomnihack%20Breaking%20and%20fixing%20Azure%20AD%20device%20identity%20security.pdf

Detection logic

Detection requirements

Platform
ContainersIaaSIdentity ProviderOffice SuiteSaaS

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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