Convert indexed Sigma rules into analyst-ready detections.
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Newest: 2.0.1
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TanStack Supply-Chain Attack File Creation Indicators - Windows
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TanStack Supply-Chain Attack File Creation Indicators - Windows
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: TanStack Supply-Chain Attack File Creation Indicators - Windows
id: 8a3f2c1e-5d7b-4e9a-b6c8-1f2a3d4e5f6a
status: experimental
description: Detects file creation indicators associated with the Mini Shai-Hulud supply-chain campaign targeting TanStack npm packages and others such as mistralai, uipath, etc reported on early May 2026.
references:
- https://socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack
- https://socket.dev/supply-chain-attacks/mini-shai-hulud
- https://safedep.io/mass-npm-supply-chain-attack-tanstack-mistral/
author: Leonardo Gasparini
date: 2026-05-12
tags:
- attack.initial-access
- attack.t1195.002
- attack.execution
- attack.t1059.007
- attack.persistence
- attack.t1554
- detection.emerging-threats
logsource:
category: file_event
product: windows
detection:
selection_malware_files:
TargetFilename|endswith:
- '\router_init.js'
- '\tanstack_runner.js'
selection_persistence_claude_vscode:
TargetFilename|endswith:
- '\.claude\router_runtime.js'
- '\.vscode\router_runtime.js'
condition: 1 of selection_*
falsepositives:
- Unknown
level: medium
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/TanStack-Supply-Chain/file_event_win_malware_tanstack_supply_chain.yml'