Compress Data and Lock With Password for Exfiltration With 7-ZIP
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About the rule
Rule Type
Standard
Rule Description
An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (MESSAGE contains "7-Zip" OR PROCESSNAME endswith "\7z.exe,\7zr.exe,\7za.exe" OR ORIGINALFILENAME = "7z.exe,7za.exe") AND COMMANDLINE contains " -p" AND COMMANDLINE contains " a , u " 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


