SigmaHQ/rules/windows/sysmon/sysmon_susp_tscon_localsystem.yml

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612 B
YAML

title: Suspicious TSCON Start
status: experimental
description: Detects a tscon.exe start as LOCAL SYSTEM
references:
- http://www.korznikov.com/2017/03/0-day-or-feature-privilege-escalation.html
- https://medium.com/@networksecurity/rdp-hijacking-how-to-hijack-rds-and-remoteapp-sessions-transparently-to-move-through-an-da2a1e73a5f6
author: Florian Roth
date: 2018/03/17
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 1
User: 'NT AUTHORITY\SYSTEM'
Image: '*\tscon.exe'
condition: selection
falsepositives:
- Unknown
level: high