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39.91.166.154 has a threat confidence score of 69%. This IP address from China (AS4837, CHINA UNICOM China169 Backbone) has been observed in 46 honeypot sessions targeting SSH protocols. First observed on January 20, 2026, most recently active April 1, 2026.
Identifies SSH session activity where the attacker executes uname -s -m to retrieve the operating system name and machine architecture for host fingerprinting and payload targeting.