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177.52.27.43 has a threat confidence score of 95%. This IP address from Brazil (AS262282, MARIA LUCIANA MACHADO E CIA LTDA-ME) has been observed in 828 honeypot sessions targeting RDP protocols. First observed on March 8, 2026, most recently active March 18, 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