Suspicious Usage of For Loop with Recursive Directory Search in CMD
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About the rule
Rule Type
Standard
Rule Description
Detects command shell activity resolving executable paths dynamically?behavior often seen in malicious LNK or batch-based attacks.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (COMMANDLINE contains "for /f" AND COMMANDLINE contains "tokens=" AND COMMANDLINE contains "in (" AND COMMANDLINE contains "dir") OR (PARENTPROCESSCOMMANDLINE contains "for /f" AND PARENTPROCESSCOMMANDLINE contains "tokens=" AND PARENTPROCESSCOMMANDLINE contains "in (" AND PARENTPROCESSCOMMANDLINE contains "dir")
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
@Joseliyo Sanchez, @Joseliyo_Jstnk
