TanStack Supply-Chain Attack File Creation Indicators - Windows

Last updated on:

Applies to: Log360Log360 Cloud

About the rule

Rule Type

Standard

Rule 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

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND (OBJECTNAME endswith "\router_init.js,\tanstack_runner.js,.claude\router_runtime.js,.vscode\router_runtime.js" OR FILENAME endswith "\router_init.js,\tanstack_runner.js,.claude\router_runtime.js,.vscode\router_runtime.js") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME,Action1.FILETYPE,Action1.ACCESSLIST

Detection

Execution Mode

continuous

Log Sources

Windows

Author

@Leonardo Gasparini