New Agent Skills Installation Attempt Via Node.EXE

Last updated on:

Applies to: Log360Log360 Cloud

About the rule

Rule Type

Standard

Rule Description

Detects the attempt to install new skills for AI agents using the npx skills command.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ( PROCESSNAME endswith "\node.exe" OR ORIGINALFILENAME = "node.exe" ) AND ( COMMANDLINE contains "npx-cli.js" AND COMMANDLINE contains "skills " AND COMMANDLINE contains "add " ) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID

Detection

Execution Mode

continuous

Log Sources

Windows

Author

@Marco Pedrinazzi (@pedrinazziM) (InTheCyber)