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80.66.83.80 has a threat confidence score of 99%. This IP address from Russia (AS216473, Bashinskii Vadim Ruslanovich) has been observed in 2,954 honeypot sessions targeting RDP, HTTP, HTTPS, SSH protocols. First observed on March 25, 2026, most recently active May 8, 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
Identifies RDP clients attempting authentication using Network Level Authentication (NLA) with the NTLM challenge-response protocol. This occurs during the CredSSP negotiation phase before a remote desktop session is established and indicates an active credential authentication attempt against the RDP service
Identifies HTTP GET requests directly targeting the /bad-request path, indicating automated or manual probing of application error-handling routes rather than legitimate navigation flow.