Command Injection Projekt

Installation

• sudo apt update
• sudo apt install apache2 php libapache2-mod-php
• sudo systemctl restart apache2

Test

• echo "<?php phpinfo(); ?>" | sudo tee /var/www/html/info.php
• curl https://SEITENNAME/info.php

Beispiele

ping.php

<!DOCTYPE html>
<html>
<body>
<h2>PING</h2>
<form method="post">
<label for="ip">IP-Adresse:</label><br>
<input type="text" name="ip"><br>
<input type="submit" name="submit" value="Ping">
</form>
<br>
<?php
if (isset($_POST['submit'])) {
    $ip = $_POST['ip'];
    $cmd = 'ping -c 4 ' . $ip;
    $output = shell_exec($cmd);
    echo "<pre>$output</pre>";
}
?>
</body>
</html>

traceroute.php

<!DOCTYPE html>
<html>
<body>
<h2>Traceroute</h2>
<form method="post">
<label for="host">Hostname oder IP:</label><br>
<input type="text" name="host"><br>
<input type="submit" name="submit" value="Traceroute">
</form>
<br>
<?php
if (isset($_POST['submit'])) {
    $host = $_POST['host'];
    $cmd = 'traceroute ' . $host;
    $output = shell_exec($cmd);
    echo "<pre>$output</pre>";
}
?>
</body>
</html>

nslookup.php

<!DOCTYPE html>
<html>
<body>
<h2>NSLookup</h2>
<form method="post">
<label for="domain">Domain:</label><br>
<input type="text" name="domain"><br>
<input type="submit" name="submit" value="Lookup">
</form>
<br>
<?php
if (isset($_POST['submit'])) {
    $domain = $_POST['domain'];
    $cmd = 'nslookup ' . $domain;
    $output = shell_exec($cmd);
    echo "<pre>$output</pre>";
}
?>
</body>
</html>

ss.php

<!DOCTYPE html>
<html>
<body>
<h2>Netstat mit Filter</h2>
<form method="post">
<label for="filter">Filter (z.B. :80 oder ESTABLISHED):</label><br>
<input type="text" name="filter"><br>
<input type="submit" name="submit" value="Anzeigen">
</form>
<br>
<?php
if (isset($_POST['submit'])) {
    $filter = $_POST['filter'];
    $cmd = 'ss -tunap | grep ' . $filter;
    $output = shell_exec($cmd);
    echo "<pre>$output</pre>";
}
?>
</body>
</html>

whois.php

<!DOCTYPE html>
<html>
<body>
<h2>WHOIS-Abfrage</h2>
<form method="post">
<label for="domain">Domain:</label><br>
<input type="text" name="domain"><br>
<input type="submit" name="submit" value="WHOIS">
</form>
<br>
<?php
if (isset($_POST['submit'])) {
    $domain = $_POST['domain'];
    $cmd = 'whois ' . $domain;
    $output = shell_exec($cmd);
    echo "<pre>$output</pre>";
}
?>
</body>
</html>