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
3,711
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 3.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Potential COLDSTEEL Persistence Service DLL Creation
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential COLDSTEEL Persistence Service DLL Creation
Using Splunk · Default · sigma-cli 3.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion3.0.2
title: Potential COLDSTEEL Persistence Service DLL Creation
id: 1fea93a2-1524-4a3c-9828-3aa0c2414e27
status: test
description: Detects the creation of a file in a specific location and with a specific name related to 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: file_event
product: windows
detection:
selection:
TargetFilename|startswith: 'C:\Users\'
TargetFilename|endswith: '\AppData\Roaming\newdev.dll'
condition: selection
falsepositives:
- Unknown
level: high
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/file_event_win_malware_coldsteel_service_dll_creation.yml