Diskshadow Script Mode Execution
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About the rule
Rule Type
Standard
Rule Description
Detects execution of "Diskshadow.exe" in script mode using the "/s" flag. Attackers often abuse "diskshadow" to execute scripts that deleted the shadow copies on the systems. Investigate the content of the scripts and its location.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (ORIGINALFILENAME = "diskshadow.exe" OR PROCESSNAME endswith "\diskshadow.exe") AND COMMANDLINE contains "-s ,/s ,–s ,—s ,―s "
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Ivan Dyachkov, oscd.community
