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
Device Registration or Join Without MFA
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Device Registration or Join Without MFA
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: Device Registration or Join Without MFA
id: 5afa454e-030c-4ab4-9253-a90aa7fcc581
status: test
description: Monitor and alert for device registration or join events where MFA was not performed.
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#device-registrations-and-joins-outside-policy
author: Michael Epping, '@mepples21'
date: 2022-06-28
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.defense-evasion
- attack.t1078.004
logsource:
product: azure
service: signinlogs
detection:
selection:
ResourceDisplayName: 'Device Registration Service'
conditionalAccessStatus: 'success'
filter_mfa:
AuthenticationRequirement: 'multiFactorAuthentication'
condition: selection and not filter_mfa
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/cloud/azure/signin_logs/azure_ad_device_registration_or_join_without_mfa.yml