WScript or CScript Dropper - File

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About the rule

Rule Type

Standard

Rule Description

Detects a file ending in jse, vbe, js, vba, vbs written by cscript.exe or wscript.exe

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND PROCESSNAME endswith "\wscript.exe,\cscript.exe" AND (FILENAME startswith "C:\Users\,C:\ProgramData" OR OBJECTNAME startswith "C:\Users\,C:\ProgramData") AND (FILENAME endswith ".jse,.vbe,.js,.vba,.vbs" OR OBJECTNAME endswith ".jse,.vbe,.js,.vba,.vbs") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Tim Shelton