Robuta

https://privdayz.com/
Your go-to source for PHP and ASPX shell scripts. Get R57 Shell, C99 Shell, Alfa shell, b374k shell, IndoXploit shell, WSO shell, Bypass Shell and Symlink...
php shellalfaaspx
https://r57shell.net/index.php
R57, Shell, c99, Safe, Shell.rar, c99.php, sadrazam shell, r00t shell, sadrazam.rar, R57.php, Safe0ver Bypass Shell.rar, exploit, r57shell.net
shelltxtphp
https://www.plesk.com/kb/support/how-to-prevent-filesystem-browsing-with-php-shell-scripts/
php shellpreventfilesystembrowsingscripts
https://www.php.net/manual/ja/function.ssh2-shell.php
phpshellmanual