RDP Session Hijacking Using tscon
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About the rule
Rule Type
Standard
Rule Description
Detects a remote desktop session without knowing a password of another user. This will leverage the insider to make further changes by hiding actual identity.
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((USERNAME = "nt authority\system" OR SECURITYID = "S-1-5-18") AND (PROCESSNAME endswith "tscon.exe" OR ORIGINALFILENAME contains "tscon") AND COMMANDLINE notcontains "/password") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
