title: SO IDH - Telnet Login Attempt id: 4f3314c2-41cd-4ace-bdcf-5564beb78def status: experimental description: Detects when the Telnet service on a SO IDH node has had a login attempt. author: Security Onion Solutions license: MIT references: - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52 logsource: product: opencanary detection: selection: logtype: - 6001 custom_filter: source.ip: - x.x.x.x condition: selection #and not custom_filter falsepositives: - None fields: - source.ip level: critical