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
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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
Lynx Ransomware Execution Pattern
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.
Lynx Ransomware Execution Pattern
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.
title: Lynx Ransomware Execution Pattern
id: a30c7711-1b6d-49eb-9925-a4b2c0e9f039
status: experimental
description: |
Detects the execution of Lynx ransomware based on specific command line flags such as '--noprint' and '--mode fast'.
references:
- https://thedfirreport.com/2025/12/17/cats-got-your-files-lynx-ransomware/
author: Swarup-Ingale
date: 2026-06-25
tags:
- attack.impact
- attack.t1486
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- ' --mode '
- ' fast'
- ' --noprint'
condition: selection
falsepositives:
- Unlikely
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-emerging-threats/2026/Malware/Lynx-Ransomware/proc_creation_win_malware_lynx.yml'