Suspicious ZipExec Execution

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About the rule

Rule Type

Standard

Rule Description

ZipExec is a Proof-of-Concept (POC) tool to wrap binary-based tools into a password-protected zip file.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (COMMANDLINE contains "/generic:Microsoft_Windows_Shell_ZipFolder:filename=" AND COMMANDLINE contains ".zip" AND COMMANDLINE contains "/pass:" AND COMMANDLINE contains "/user:") OR (COMMANDLINE contains "/delete" AND COMMANDLINE contains "Microsoft_Windows_Shell_ZipFolder:filename=" AND COMMANDLINE contains ".zip") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113