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122.51.105.107 has a threat confidence score of 91%. This IP address from China (AS45090, Shenzhen Tencent Computer Systems Company Limited) has been observed in 31 honeypot sessions targeting RDP protocols. First observed on March 14, 2026, most recently active March 16, 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