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151.243.109.63 has a threat confidence score of 78%. This IP address from The Netherlands (AS209274, Kraken Network ISP LTD) has been observed in 34 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh hardened host profiling and shell rc immutability bypass. First observed on February 28, 2026, most recently active February 28, 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.