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Azure New Owner added to Azure Active Directory application

azure

Classification:

attack

Tactic:

TA0003-persistence

Technique:

T1098-account-manipulation

Goal

Detect when a user is added as a new owner for an Active Directory application which could be used as a persistence mechanism.

Strategy

Monitor Azure Active Directory logs for @evt.name: "Add owner to application" has an @evt.outcome of success.

Triage and response

  1. Review evidence of anomalous activity for the user being added as an owner (@properties.targetResources) for the Active Directory application.
  2. Determine if there is a legitimate reason for the user being added to the application.