Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
User Risk and MFA Registration Policy Updated
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
User Risk and MFA Registration Policy Updated
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: User Risk and MFA Registration Policy Updated
id: d4c7758e-9417-4f2e-9109-6125d66dabef
status: test
description: |
Detects changes and updates to the user risk and MFA registration policy.
Attackers can modified the policies to Bypass MFA, weaken security thresholds, facilitate further attacks, maintain persistence.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/howto-identity-protection-configure-mfa-policy
- https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities
author: Harjot Singh (@cyb3rjy0t)
date: 2024-08-13
tags:
- attack.persistence
logsource:
product: azure
service: auditlogs
detection:
selection:
LoggedByService: 'AAD Management UX'
Category: 'Policy'
OperationName: 'Update User Risk and MFA Registration Policy'
condition: selection
falsepositives:
- Known updates by administrators.
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/cloud/azure/audit_logs/azure_update_risk_and_mfa_registration_policy.yml