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Entra ID Privileged Role Assigned to Another Account

Identifies when a privileged Microsoft Entra ID directory role is assigned from one account to a different account. The actor can be a user or an application (service principal), and the member can be a user or a…

Description

Identifies when a privileged Microsoft Entra ID directory role is assigned from one account to a different account. The actor can be a user or an application (service principal), and the member can be a user or a service principal. Privileged roles can be used to take over the tenant, reset credentials, add credentials to applications, or control mail and collaboration services, so an unexpected assignment is a strong persistence and privilege escalation signal. Adversaries that compromise an administrator or a vendor application may grant a privileged role to an account they control.

Detection logic

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Known benign triggers

  • Identity governance and provisioning tools that assign directory roles on behalf of administrators. Review the initiating application and exclude it by application ID after review.
  • Planned role assignments by administrators during onboarding, role changes, or delegation. Validate against the change record, and add exceptions for the administrators or automation accounts that routinely assign roles.

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