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43.156.131.39 has a threat confidence score of 75%. This IP address from Singapore (AS132203, Tencent Building, Kejizhongyi Avenue) has been observed in 7 honeypot sessions targeting RDP protocols. First observed on March 23, 2026, most recently active March 23, 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