Legitimate Application Dropped Archive
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About the rule
Rule Type
Standard
Rule Description
Detects programs on a Windows system that should not write an archive to disk
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND PROCESSNAME endswith "\winword.exe,\excel.exe,\powerpnt.exe,\msaccess.exe,\mspub.exe,\eqnedt32.exe,\visio.exe,\wordpad.exe,\wordview.exe,\certutil.exe,\certoc.exe,\CertReq.exe,\Desktopimgdownldr.exe,\esentutl.exe,\finger.exe,\notepad.exe,\AcroRd32.exe,\RdrCEF.exe,\mshta.exe,\hh.exe" AND (FILENAME endswith ".zip,.rar,.7z,.diagcab,.appx" OR OBJECTNAME endswith ".zip,.rar,.7z,.diagcab,.appx") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113, Florian Roth
