{"id":"598290cf-5932-45cd-9123-be1e05ab4f2e","title":"OpenCanary - RDP New Connection Attempt","description":"Detects instances where an RDP service on an OpenCanary node has had a connection attempt.","author":"Marco Pedrinazzi (@pedrinazziM)","status":"experimental","level":"high","date":"2026-01-06","modified":"","tags":["attack.initial-access","attack.lateral-movement","attack.persistence","attack.t1133","attack.t1021.001"],"technique_ids":["T1021.001","T1133"],"logsource":{"category":"application","product":"opencanary"},"falsepositives":["Unlikely"],"references":["https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration","https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52"],"source_path":"rules/application/opencanary/opencanary_rdp_connection_attempt.yml","source_sha256":"690ae2a166dfc43c67c9cb1d44d3fda54b45ee883dcf517b8555b19213b474ea","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/application/opencanary/opencanary_rdp_connection_attempt.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: OpenCanary - RDP New Connection Attempt\nid: 598290cf-5932-45cd-9123-be1e05ab4f2e\nstatus: experimental\ndescription: Detects instances where an RDP service on an OpenCanary node has had a connection attempt.\nreferences:\n    - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration\n    - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52\nauthor: Marco Pedrinazzi (@pedrinazziM)\ndate: 2026-01-06\ntags:\n    - attack.initial-access\n    - attack.lateral-movement\n    - attack.persistence\n    - attack.t1133\n    - attack.t1021.001\nlogsource:\n    category: application\n    product: opencanary\ndetection:\n    selection:\n        logtype: 14001\n    condition: selection\nfalsepositives:\n    - Unlikely\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/T1133","id":"T1133","name":"External Remote Services","page":"techniques/enterprise/T1133/"}],"data_path":"data/detection-rules/598290cf-5932-45cd-9123-be1e05ab4f2e.json","kind":"sigma"}