Potentially Suspicious Inline JavaScript Execution via NodeJS Binary

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About the rule

Rule Type

Standard

Rule Description

Detects potentially suspicious inline JavaScript execution using Node.js with specific keywords in the command line.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ( PROCESSNAME endswith "\node.exe" OR ORIGINALFILENAME = "node.exe" OR PRODUCT_NAME = "Node.js" ) AND ( COMMANDLINE contains "http,execSync,spawn,fs,path,zlib" ) 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

realtime

Log Sources

Windows

Author

@Microsoft (idea), Swachchhanda Shrawan Poudel (Nextron Systems)