CA Policy Updated by Non Approved Actor
Monitor and alert on conditional access changes.
What it detects
Monitor and alert on conditional access changes. Is Initiated by (actor) approved to make changes? Review Modified Properties and compare "old" vs "new" value.
MITRE ATT&CK mapping
False positives and triage
Misconfigured role permissions; Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
The rule
Declarative YAML read by the detection engine — data, never executed. Confidence 60%. Source: rules/sigma/sigma.azure_audit_logs_azure_aad_secops_ca_policy_updatedby_bad_actor.yaml, licensed under the Detection Rule License 1.1.
id: sigma.azure_audit_logs_azure_aad_secops_ca_policy_updatedby_bad_actor
version: 1.0.0
status: experimental
severity: medium
confidence: 0.6
platforms:
- application
mitre_techniques:
- T1548
- T1556
description: Monitor and alert on conditional access changes. Is Initiated by (actor) approved to make changes? Review Modified Properties and compare "old" vs "new" value.
match:
event_category: account
raw_message_any:
- Update conditional access policy
false_positive_guidance: Misconfigured role permissions; Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
Converted from the SigmaHQ rule “CA Policy Updated by Non Approved Actor” by Corissa Koopmans, '@corissalea', distributed under the Detection Rule License 1.1. Original rule.
Related detections
Run this rule on your own logs — offline
KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.