Cscript/Wscript Uncommon Script Extension Execution

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About the rule

Rule Type

Standard

Rule Description

Detects Wscript/Cscript executing a file with an uncommon (i.e. non-script) extension

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (ORIGINALFILENAME = "wscript.exe,cscript.exe" OR PROCESSNAME endswith "\wscript.exe,\cscript.exe") AND COMMANDLINE contains ".csv,.dat,.doc,.gif,.jpeg,.jpg,.png,.ppt,.txt,.xls,.xml" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)