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119.121.4.120 has a threat confidence score of 97%. This IP address from China (AS4809, China Telecom Next Generation Carrier Network) has been observed in 36 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh authorized keys persistence established. First observed on February 23, 2026, most recently active February 25, 2026.
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.