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39.109.116.131 has a threat confidence score of 92%. This IP address from Hong Kong (AS142403, YISU CLOUD LTD) has been observed in 219 honeypot sessions targeting RDP protocols. First observed on March 13, 2026, most recently active April 5, 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