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103.121.157.77 has a threat confidence score of 91%. This IP address from India (AS137654, Netstra Communications Pvt Ltd) has been observed in 10 honeypot sessions targeting SSH, HTTP, HTTPS, DOCKER protocols. Detected attack patterns include ssh authorized keys persistence established, http mass web rce exploitation scanning. First observed on March 19, 2026, most recently active April 1, 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.
Coordinated automated exploitation attempts targeting public-facing web services, including PHPUnit eval-stdin access, PHP-CGI argument injection, Docker API exposure, directory traversal, ThinkPHP invokeFunction abuse, and command execution patterns (wget/curl pipe to shell). Identifies opportunistic bot-driven RCE scanning and framework-specific exploit chaining against internet-exposed applications.