Hijack Legit RDP Session to Move Laterally

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About the rule

Rule Type

Standard

Rule Description

Detects the usage of tsclient share to place a backdoor on the RDP source machine's startup folder

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND PROCESSNAME endswith "\mstsc.exe" AND (FILENAME contains "\Microsoft\Windows\Start Menu\Programs\Startup" OR OBJECTNAME contains "\Microsoft\Windows\Start Menu\Programs\Startup") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Samir Bousseaden