SigmaHQ/rules/windows/sysmon/sysmon_tsclient_filewrite_startup.yml

title: Hijack legit RDP session to move laterally  
status: experimental
description: Detects the usage of tsclient share to place a backdoor on the RDP source machine's startup folder
date: 2019/02/21
author: Samir Bousseaden
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 11
        Image: '*\mstsc.exe'
        TargetFileName: '*\Microsoft\Windows\Start Menu\Programs\Startup\*'
    condition: selection
falsepositives:
    - unknown
level: high