Use Icacls to Hide File to Everyone
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About the rule
Rule Type
Standard
Rule Description
Detect use of icacls to deny access for everyone in Users folder sometimes used to hide malicious files
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (ORIGINALFILENAME = "iCACLS.EXE" OR PROCESSNAME endswith "\icacls.exe") AND (COMMANDLINE contains "/deny" AND COMMANDLINE contains "S-1-1-0:") 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
