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45.172.144.64 has a threat confidence score of 88%. This IP address from Brazil (AS28370, GUIFAMI Informatica Ltda.) has been observed in 20 honeypot sessions targeting RDP protocols. First observed on April 24, 2026, most recently active April 24, 2026.
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