46 lines
1.0 KiB
YAML
46 lines
1.0 KiB
YAML
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title: RDP over Reverse SSH Tunnel WFP
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ruletype: Sigma
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author: Samir Bousseaden
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date: 2019/02/16
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description: Detects svchost hosting RDP termsvcs communicating with the loopback
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address
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detection:
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SELECTION_1:
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EventID: 5156
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SELECTION_2:
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SourcePort: 3389
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SELECTION_3:
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DestAddress:
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- 127.*
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- ::1
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SELECTION_4:
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DestPort: 3389
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SELECTION_5:
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SourceAddress:
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- 127.*
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- ::1
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condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5)))
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falsepositives:
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- unknown
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id: 5bed80b6-b3e8-428e-a3ae-d3c757589e41
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level: high
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logsource:
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product: windows
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service: security
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modified: 2021/07/06
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references:
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- https://twitter.com/SBousseaden/status/1096148422984384514
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- https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Command%20and%20Control/DE_RDP_Tunnel_5156.evtx
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.command_and_control
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- attack.lateral_movement
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- attack.t1076
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- attack.t1090
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- attack.t1090.001
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- attack.t1090.002
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- attack.t1021.001
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- car.2013-07-002
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