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140.249.23.18 has a threat confidence score of 99%. This IP address from China (AS58541, Qingdao,266000) has been observed in 103 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh automated post compromise recon and persistence chain, ssh authorized keys persistence established. First observed on March 6, 2026, most recently active March 20, 2026.
Identifies an SSH session performing comprehensive automated host reconnaissance (CPU, memory, disk, processes, users), followed by credential modification and SSH key manipulation consistent with scripted post-compromise takeover and persistence establishment.
Removal of filesystem attribute protections from the user’s .ssh directory followed by deletion and recreation of the directory and insertion of a new public key into authorized_keys. This pattern reflects deliberate modification of SSH trust configuration to establish persistent key-based access.