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MediumSplunk security contentDean Luxton

O365 Service Principal Privilege Escalation

This detection identifies when an Azure Service Principal elevates privileges by adding themself to a new app role assignment.

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 category
o365_add_app_role_assignment_grant_to_user

Known benign triggers

  • No false positives have been identified at this time.

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