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35.203.211.39 has a threat confidence score of 76%. This IP address from United Kingdom (AS396982, Google LLC) has been observed in 129 honeypot sessions targeting SMTP, SIP, RDP, HTTPS, MONGODB and 8 other protocols. First observed on January 26, 2026, most recently active April 17, 2026.
Identifies RDP clients attempting authentication using the legacy RDP security mode where credentials are exchanged through the older RDP security layer instead of Network Level Authentication (NLA). This indicates the client negotiated legacy plaintext authentication during the RDP security handshake
Client sends RTSP OPTIONS requests to check supported methods and confirm that an RTSP service is exposed, then disconnects without attempting authentication or stream setup. This pattern is typically associated with automated reconnaissance or internet-wide scanning rather than active stream access.
Identifies HTTPS requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration