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
Guest Users Invited To Tenant By Non Approved Inviters
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Guest Users Invited To Tenant By Non Approved Inviters
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: Guest Users Invited To Tenant By Non Approved Inviters
id: 4ad97bf5-a514-41a4-abd3-4f3455ad4865
status: test
description: Detects guest users being invited to tenant by non-approved inviters
references:
- https://learn.microsoft.com/en-gb/entra/architecture/security-operations-user-accounts#monitoring-external-user-sign-ins
author: MikeDuddington, '@dudders1'
date: 2022-07-28
tags:
- attack.privilege-escalation
- attack.persistence
- attack.defense-evasion
- attack.initial-access
- attack.t1078
logsource:
product: azure
service: auditlogs
detection:
selection:
Category: 'UserManagement'
OperationName: 'Invite external user'
filter:
InitiatedBy|contains: '<approved guest inviter use OR for multiple>'
condition: selection and not filter
falsepositives:
- If this was approved by System Administrator.
level: medium
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_ad_guest_users_invited_to_tenant_by_non_approved_inviters.yml