Application URI Configuration Changes

Original Source: [Sigma source]
Title: Application URI Configuration Changes
Status: test
Description:Detects when a configuration change is made to an applications URI. URIs for domain names that no longer exist (dangling URIs), not using HTTPS, wildcards at the end of the domain, URIs that are no unique to that app, or URIs that point to domains you do not control should be investigated.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#application-configuration-changes
Author: Mark Morowczynski '@markmorow', Bailey Bercik '@baileybercik'
Date: 2022-06-02
modified:None
Tags:
  • -'attack.t1528'
  • -'attack.t1078.004'
  • -'attack.persistence'
  • -'attack.credential-access'
  • -'attack.privilege-escalation'
Logsource:
  • product: azure
  • service: auditlogs
Detection:
  selection:
    properties.message: 'Update Application Sucess- Property Name AppAddress'
  condition:selection
Falsepositives:
  -When and administrator is making legitimate URI configuration changes to an application. This should be a planned event.
Level: high