New CA Policy by Non-approved Actor
What it detects
Monitor and alert on conditional access changes.
MITRE ATT&CK mapping
- T1548Abuse Elevation Control Mechanism· Privilege Escalation
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_new_ca_policy_addedby_bad_actor.yaml, licensed under the Detection Rule License 1.1.
id: sigma.azure_audit_logs_azure_aad_secops_new_ca_policy_addedby_bad_actor
version: 1.0.0
status: experimental
severity: medium
confidence: 0.6
platforms:
- application
mitre_techniques:
- T1548
description: Monitor and alert on conditional access changes.
match:
event_category: account
raw_message_any:
- Add 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 “New CA Policy 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.