{"id":"48a61b29-389f-4032-b317-b30de6b95314","title":"Suspicious Plink Port Forwarding","description":"Detects suspicious Plink tunnel port forwarding to a local port","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2021-01-19","modified":"2022-10-09","tags":["attack.command-and-control","attack.t1572","attack.lateral-movement","attack.t1021.001"],"technique_ids":["T1021.001","T1572"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Administrative activity using a remote port forwarding to a local port"],"references":["https://www.real-sec.com/2019/04/bypassing-network-restrictions-through-rdp-tunneling/","https://medium.com/@informationsecurity/remote-ssh-tunneling-with-plink-exe-7831072b3d7d"],"source_path":"rules/windows/process_creation/proc_creation_win_plink_port_forwarding.yml","source_sha256":"2870dc6a4e656e13a9fc7a64223266facdb8f08a40827aeeba9d14c0c84b2292","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_plink_port_forwarding.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Plink Port Forwarding\nid: 48a61b29-389f-4032-b317-b30de6b95314\nstatus: test\ndescription: Detects suspicious Plink tunnel port forwarding to a local port\nreferences:\n    - https://www.real-sec.com/2019/04/bypassing-network-restrictions-through-rdp-tunneling/\n    - https://medium.com/@informationsecurity/remote-ssh-tunneling-with-plink-exe-7831072b3d7d\nauthor: Florian Roth (Nextron Systems)\ndate: 2021-01-19\nmodified: 2022-10-09\ntags:\n    - attack.command-and-control\n    - attack.t1572\n    - attack.lateral-movement\n    - attack.t1021.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Description: 'Command-line SSH, Telnet, and Rlogin client'\n        CommandLine|contains: ' -R '\n    condition: selection\nfalsepositives:\n    - Administrative activity using a remote port forwarding to a local port\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1021.001","id":"T1021.001","name":"Remote Desktop Protocol","page":"techniques/enterprise/T1021.001/"},{"key":"enterprise/T1572","id":"T1572","name":"Protocol Tunneling","page":"techniques/enterprise/T1572/"}],"data_path":"data/detection-rules/48a61b29-389f-4032-b317-b30de6b95314.json","kind":"sigma"}