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 local pySigma backend, then reveal pipelines only when you actually need them.

Indexed Rules

3,779

Ready to search

Backends

3

Loaded from pysigma-node

pySigma Versions

2

Newest: 2.0.1

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

HackTool - GoldenDMSA Execution

Backends follow their supported pySigma version. Select 1.5.1 for Elasticsearch, Kusto, and other 1.x plugins.

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

HackTool - GoldenDMSA Execution

Using Splunk · Default · pySigma 2.0.1

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.1
title: HackTool - GoldenDMSA Execution
id: c41ec561-872d-469b-847c-1653ad19b45d
status: experimental
description: |
    Detects execution of GoldenDMSA hacktool used for Directory Service Account manipulation.
references:
    - https://github.com/Semperis/GoldenDMSA
    - https://ipurple.team/2025/09/02/golden-dmsa/
    - https://www.semperis.com/blog/golden-dmsa-what-is-dmsa-authentication-bypass/
    - https://thehackernews.com/2025/07/critical-golden-dmsa-attack-in-windows.html
    - https://hacktricks.wiki/en/windows-hardening/active-directory-methodology/golden-dmsa-gmsa.html
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2026-10-19
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1098
    - attack.credential-access
    - attack.t1110.001
    - attack.t1558.003
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        Image|endswith: '\GoldenDMSA.exe'
    selection_cli:
        CommandLine|contains:
            - 'wordlist'
            - 'bruteforce'
        CommandLine|contains|all:
            - ' -s '
            - 'S-1-5-21-'
            - ' -d '
            - ' -k '
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: high

CLI command

Sigma CLI 4.0.0 · Install matching versions, then run from the Phoenix project directory.

python -m pip install 'sigma-cli==4.0.0' 'pysigma==2.0.1' 'pysigma-backend-splunk==3.0.0' sigma convert --without-pipeline -t splunk -f default 'sigma/rules/windows/process_creation/proc_creation_win_hktl_goldendmsa.yml'