{"id":"b1e5da3b-ca8e-4adf-915c-9921f3d85481","title":"RDP to HTTP or HTTPS Target Ports","description":"Detects svchost hosting RDP termsvcs communicating to target systems on TCP port 80 or 443","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-04-29","modified":"2022-07-14","tags":["attack.command-and-control","attack.t1572","attack.lateral-movement","attack.t1021.001","car.2013-07-002"],"technique_ids":["T1021.001","T1572"],"logsource":{"category":"network_connection","product":"windows"},"falsepositives":["Unknown"],"references":["https://twitter.com/tekdefense/status/1519711183162556416?s=12&t=OTsHCBkQOTNs1k3USz65Zg","https://www.mandiant.com/resources/bypassing-network-restrictions-through-rdp-tunneling"],"source_path":"rules/windows/network_connection/net_connection_win_rdp_to_http.yml","source_sha256":"ba82d2a5fcb243bc83e1129042822ce02b9b78c94169062a264c4f55d0bfd7d7","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/network_connection/net_connection_win_rdp_to_http.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: RDP to HTTP or HTTPS Target Ports\nid: b1e5da3b-ca8e-4adf-915c-9921f3d85481\nstatus: test\ndescription: Detects svchost hosting RDP termsvcs communicating to target systems on TCP port 80 or 443\nreferences:\n    - https://twitter.com/tekdefense/status/1519711183162556416?s=12&t=OTsHCBkQOTNs1k3USz65Zg\n    - https://www.mandiant.com/resources/bypassing-network-restrictions-through-rdp-tunneling\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-04-29\nmodified: 2022-07-14\ntags:\n    - attack.command-and-control\n    - attack.t1572\n    - attack.lateral-movement\n    - attack.t1021.001\n    - car.2013-07-002\nlogsource:\n    category: network_connection\n    product: windows\ndetection:\n    selection:\n        Image|endswith: '\\svchost.exe'\n        Initiated: 'true'\n        SourcePort: 3389\n        DestinationPort:\n            - 80\n            - 443\n    condition: selection\nfalsepositives:\n    - Unknown\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/b1e5da3b-ca8e-4adf-915c-9921f3d85481.json","kind":"sigma"}