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LowMicrosoft Sentinel analyticsMicrosoft Security Research

User account created without expected attributes defined

This query looks for accounts being created that do not have attributes populated that are commonly populated in the tenant. Attackers may attempt to add accounts as a means of establishing persistant access to an…

Description

This query looks for accounts being created that do not have attributes populated that are commonly populated in the tenant. Attackers may attempt to add accounts as a means of establishing persistant access to an environment, looking for anomalies in created accounts may help identify illegitimately created accounts. Created accounts should be investigated to ensure they were legitimated created. Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-user-accounts#accounts-not-following-naming-policies

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
auditlogs

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