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189.55.4.4 has a threat confidence score of 99%. This IP address from Brazil (AS28573, Claro NXT Telecomunicacoes Ltda) has been observed in 30 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh comprehensive host reconnaissance sequence. First observed on April 18, 2026, most recently active April 20, 2026.
Identifies an SSH session performing broad system, network, identity, filesystem, and service enumeration in a single execution sequence. The behavior combines environment fingerprinting (kernel, CPU, uptime), user and credential surface inspection (/etc/passwd, /etc/shadow, history), network topology discovery (interfaces, routes, listening ports), process and service inventory, writable directory validation, and connectivity testing. This pattern reflects automated post-compromise host profiling used by botnets, cryptominers, and lateral-movement frameworks to determine system suitability and operational value.