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43.128.135.144 has a threat confidence score of 79%. This IP address from South Korea (AS132203, Tencent Building, Kejizhongyi Avenue) has been observed in 9 honeypot sessions targeting RDP protocols. First observed on March 28, 2026, most recently active March 28, 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