Fsutil Behavior Set SymlinkEvaluation
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About the rule
Rule Type
Standard
Rule Description
A symbolic link is a type of file that contains a reference to another file. This is probably done to make sure that the ransomware is able to follow shortcuts on the machine in order to find the original file to encrypt
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\fsutil.exe" OR ORIGINALFILENAME = "fsutil.exe") AND (COMMANDLINE contains "behavior " AND COMMANDLINE contains "set " AND COMMANDLINE contains "SymlinkEvaluation") 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
