Sigma rule: New CA Policy by Non-approved Actor

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-bfc48e2385a7, updated 2022-07-18T00:00:00.000Z.

Rule

Title
New CA Policy by Non-approved Actor
Status
test
Level
medium
Author
Corissa Koopmans, '@corissalea'
Date
2022-07-18
File
rules/cloud/azure/audit_logs/azure_aad_secops_new_ca_policy_addedby_bad_actor.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Monitor and alert on conditional access changes.

Log source

product
azure
service
auditlogs

Detection

selection:
    properties.message: Add conditional access policy
condition: selection

False positives (as the rule lists them)

  • Misconfigured role permissions
  • Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.

Tags

  • attack.privilege-escalation
  • attack.t1548

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_aad_secops_new_ca_policy_addedby_bad_actor.yml

Sources and licences

  • SigmaHQ

    "New CA Policy by Non-approved Actor" by Corissa Koopmans, '@corissalea' (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/azure/audit_logs/azure_aad_secops_new_ca_policy_addedby_bad_actor.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: New CA Policy by Non-approved Actor",
entity page, dataset version ref-bfc48e2385a7, updated 2022-07-18T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/0922467f-db53-4348-b7bf-dee8d0d348c6 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 0922467f-db53-4348-b7bf-dee8d0d348c6, 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.