Sigma rule: Application URI Configuration Changes

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b398d3007518, updated 2022-06-02T00:00:00.000Z.

Rule

Title
Application URI Configuration Changes
Status
test
Level
high
Author
Mark Morowczynski '@markmorow', Bailey Bercik '@baileybercik'
Date
2022-06-02
File
rules/cloud/azure/audit_logs/azure_app_uri_modifications.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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.

Log source

product
azure
service
auditlogs

Detection

selection:
    properties.message: Update Application Sucess- Property Name AppAddress
condition: selection

False positives (as the rule lists them)

  • When and administrator is making legitimate URI configuration changes to an application. This should be a planned event.

Tags

  • attack.initial-access
  • attack.stealth
  • attack.t1528
  • attack.t1078.004
  • attack.persistence
  • attack.credential-access
  • attack.privilege-escalation

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/azure/audit_logs/azure_app_uri_modifications.yml

Sources and licences

  • SigmaHQ

    "Application URI Configuration Changes" by Mark Morowczynski '@markmorow', Bailey Bercik '@baileybercik' (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/azure/audit_logs/azure_app_uri_modifications.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Application URI Configuration Changes",
entity page, dataset version ref-b398d3007518, updated 2022-06-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/0055ad1f-be85-4798-83cf-a6da17c993b3 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 0055ad1f-be85-4798-83cf-a6da17c993b3, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.