SigmaHQ/rules/windows/network_connection/sysmon_rdp_reverse_tunnel.yml
2021-05-11 10:49:10 +02:00

34 lines
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YAML
Executable File

title: RDP Over Reverse SSH Tunnel
id: 5f699bc5-5446-4a4a-a0b7-5ef2885a3eb4
status: experimental
description: Detects svchost hosting RDP termsvcs communicating with the loopback address and on TCP port 3389
references:
- https://twitter.com/SBousseaden/status/1096148422984384514
author: Samir Bousseaden
date: 2019/02/16
modified: 2021/05/11
tags:
- attack.command_and_control
- attack.t1572
- attack.lateral_movement
- attack.t1021.001
- attack.t1076 # an old one
- car.2013-07-002
logsource:
category: network_connection
product: windows
detection:
selection:
Image|endswith: '\svchost.exe'
Initiated: 'true'
SourcePort: 3389
selection2:
- DestinationIp|startswith:
- '127.'
- DestinationIp:
- '::1'
condition: selection and selection2
falsepositives:
- unknown
level: high