7Zip Compressing Dump Files
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About the rule
Rule Type
Standard
Rule Description
Detects execution of 7z in order to compress a file with a ".dmp"/".dump" extension, which could be a step in a process of dump file exfiltration.
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 ".dmp,.dump,.hdmp" 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)
