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4.145.113.4 has a very high threat confidence level of 91%, originating from Singapore, Singapore, on the Microsoft Corporation network (8075). It has been observed across 35 sessions targeting SSH, with detected attack patterns including ssh post auth comprehensive host profiling, First observed on February 9, 2026, most recently active March 10, 2026.
Identifies structured post-authentication SSH activity consistent with automated host qualification and capability assessment. The session performs broad system enumeration including kernel and version queries, CPU and process inspection, network configuration and listening service discovery, service inventory via systemctl, credential file probing (/etc/passwd, /etc/shadow), hostname retrieval (command and file read), root and filesystem inspection, connectivity validation via ping, temporary file creation and cleanup, and command resolution checks to evaluate system suitability for further exploitation or staging.