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
COLDSTEEL RAT Service Persistence Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
COLDSTEEL RAT Service Persistence Execution
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: COLDSTEEL RAT Service Persistence Execution
id: 9f9cd389-cea0-4142-bf1a-a3fd424abedd
status: test
description: Detects the creation of an "svchost" process with specific command line flags, that were seen present and used by ColdSteel RAT
references:
- https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/cold-steel/NCSC-MAR-Cold-Steel.pdf
author: X__Junior (Nextron Systems)
date: 2023-04-30
tags:
- attack.persistence
- attack.defense-evasion
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\svchost.exe'
CommandLine|endswith:
- ' -k msupdate'
- ' -k msupdate2'
- ' -k alg'
condition: selection
falsepositives:
- Unlikely
level: critical
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/Malware/COLDSTEEL/proc_creation_win_malware_coldsteel_service_persistence.yml