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177.128.198.28 has a threat confidence score of 92%. This IP address from Brazil (AS52872, VOANET Telecomunicacoes Ltda.) has been observed in 28 honeypot sessions targeting RDP protocols. First observed on April 29, 2026, most recently active April 29, 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