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43.163.99.142 has a threat confidence score of 74%. This IP address from Singapore (AS132203, Tencent Building, Kejizhongyi Avenue) has been observed in 29 honeypot sessions targeting RDP protocols. First observed on April 17, 2026, most recently active April 19, 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