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MediumMicrosoft Sentinel analyticsMicrosoft Security Research

Suspicious Login from deleted guest account

This query will detect logins from guest account which was recently deleted. For any successful logins from deleted identities should be investigated further if any existing user accounts have been altered or linked…

Description

This query will detect logins from guest account which was recently deleted. For any successful logins from deleted identities should be investigated further if any existing user accounts have been altered or linked to such identity prior deletion

Detection logic

Detection requirements

Platform
IaaSIdentity 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
auditlogssigninlogs

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