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 local pySigma backend, then reveal pipelines only when you actually need them.

Indexed Rules

3,779

Ready to search

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

TanStack Supply-Chain Attack DNS Indicators

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.

Conversion Output

TanStack Supply-Chain Attack DNS Indicators

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.

BackendSplunkFormatDefaultVersion2.0.1
title: TanStack Supply-Chain Attack DNS Indicators
id: ac5a4e3f-7f9d-6abc-d8ea-3b4c5f6a7b8c
status: experimental
description: |
    Detects DNS queries to attacker-controlled infrastructure used by the Mini Shai-Hulud campaign targeting TanStack npm packages along with other packages such as mistralai, uipath and so on.
    The domain git-tanstack.com (registered May 9, 2026) hosted secondary payloads including transformers.pyz.
    The filev2.getsession.org endpoint was used for credential exfiltration via the Session protocol.
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.command-and-control
    - attack.t1071.001
    - attack.exfiltration
    - attack.t1048
    - detection.emerging-threats
logsource:
    category: dns_query
    product: windows
detection:
    selection_attacker_apex:
        QueryName: 'git-tanstack.com'
    selection_session_exfil:
        QueryName: 'filev2.getsession.org'
    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/dns_query_win_malware_tanstack_supply_chain_c2.yml'