Steganography Malware Creation

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About the rule

Rule Type

Standard

Rule Description

This rule detects the creation of malware using steganography, which involves concealing malicious code or data within seemingly innocuous files such as images or documents.

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "regini.exe,reg.exe" OR PROCESSNAME endswith "print.exe" OR PROCESSNAME endswith "mpcmdrun.exe" OR PROCESSNAME endswith "makecab.exe" OR PROCESSNAME endswith "findstr.exe" OR PROCESSNAME endswith "extrac32.exe" OR PROCESSNAME endswith "expand.exe" OR PROCESSNAME endswith "diantz.exe" OR PROCESSNAME endswith "msxsl.exe" OR ORIGINALFILENAME contains "regini" OR ORIGINALFILENAME contains "reg" OR ORIGINALFILENAME contains "print" OR ORIGINALFILENAME contains "mpcmdrun" OR ORIGINALFILENAME contains "makecab" OR ORIGINALFILENAME contains "findstr" OR ORIGINALFILENAME contains "extrac32" OR ORIGINALFILENAME contains "expand" OR ORIGINALFILENAME contains "diantz" OR ORIGINALFILENAME contains "msxsl") AND FILE_NAME contains ".") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows