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116.28.40.223 has a threat confidence score of 96%. This IP address from China (AS4134, Chinanet) has been observed in 319 honeypot sessions targeting RDP protocols. First observed on April 27, 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