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151.251.78.231 has a threat confidence score of 70%. This IP address from Bulgaria (AS29580, A1 Bulgaria EAD) has been observed in 13 honeypot sessions targeting SSH, TELNET protocols. First observed on March 16, 2026, most recently active March 20, 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.