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
Shai-Hulud Malicious GitHub Workflow Creation
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Shai-Hulud Malicious GitHub Workflow Creation
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: Shai-Hulud Malicious GitHub Workflow Creation
id: 0aba5685-6db6-486f-88ef-29a99c545cfd
status: experimental
description: Detects creation of shai-hulud-workflow.yml file associated with Shai Hulud worm targeting NPM supply chain attack that exfiltrates GitHub secrets
references:
- https://www.safetycli.com/blog/shai-hulud-npm-attack-runs-malicious-github-action
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-09-24
modified: 2026-01-24
tags:
- attack.persistence
- attack.credential-access
- attack.t1552.001
- attack.collection
- attack.t1119
- detection.emerging-threats
logsource:
product: linux
category: file_event
detection:
selection:
TargetFilename|endswith:
- '.github/workflows/shai-hulud-workflow.yaml'
- '.github/workflows/shai-hulud-workflow.yml'
- '.github/workflows/shai-hulud.yaml'
- '.github/workflows/shai-hulud.yml'
condition: selection
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2025/Malware/Shai-Hulud/file_event_lnx_mal_shai_hulud_workflow.yml