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5.78.53.163 has a threat confidence score of 99%. This IP address from United States (AS212317, Hetzner Online GmbH) has been observed in 291 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh hardened host profiling and shell rc immutability bypass. First observed on March 13, 2026, most recently active March 13, 2026.
Identifies SSH post-auth activity combining resilient multi-source CPU enumeration (explicit /usr/bin/nproc fallback) with removal of the immutable flag from ~/.shellrc via chattr, indicating host profiling followed by shell configuration tampering for persistence preparation.