Added Credentials to Existing Application

 1title: Added Credentials to Existing Application
 2id: cbb67ecc-fb70-4467-9350-c910bdf7c628
 3status: test
 4description: Detects when a new credential is added to an existing application. Any additional credentials added outside of expected processes could be a malicious actor using those credentials.
 5references:
 6    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#application-credentials
 7author: Mark Morowczynski '@markmorow', Bailey Bercik '@baileybercik'
 8date: 2022-05-26
 9modified: 2025-07-18
10tags:
11    - attack.privilege-escalation
12    - attack.t1098.001
13    - attack.persistence
14logsource:
15    product: azure
16    service: auditlogs
17detection:
18    selection:
19        properties.message:
20            - Update application – Certificates and secrets management
21            - Update Service principal/Update Application
22    condition: selection
23falsepositives:
24    - When credentials are added/removed as part of the normal working hours/workflows
25level: high