c99shellphp / r57-shell Star 0 Code Issues Pull requests R57 Shell, r57 shell, r57shell, r57php download, php shell, webshell archive. R57 PHP Shell is a lightweight webshell tool used for security research, penetration testing and educational testing environments. This repository shares clean r57 shell scripts for learning and analysis purposes. penetration-testing webshell security-tools php-shell r57shell phpwebshell r57-shell Updated Mar 6, 2026