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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.

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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

Azure Owner Removed From Application or Service Principal

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Azure Owner Removed From Application or Service Principal

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: Azure Owner Removed From Application or Service Principal
id: 636e30d5-3736-42ea-96b1-e6e2f8429fd6
status: test
description: Identifies when a owner is was removed from a application or service principal in Azure.
references:
    - https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#application-proxy
author: Austin Songer @austinsonger
date: 2021-09-03
modified: 2022-10-09
tags:
    - attack.defense-evasion
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        properties.message:
            - Remove owner from service principal
            - Remove owner from application
    condition: selection
falsepositives:
    - Owner being removed may be performed by a system administrator.
    - Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
    - Owner removed from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/cloud/azure/activity_logs/azure_owner_removed_from_application_or_service_principal.yml