威盾解密

发表于 2014年02月27日
PHP
更新于 2019年04月13日 1:03:51 上午

<?php
$file = '../admin/include/welcome.inc.php';

error_reporting(E_ERROR);
header("content-Type: text/html; charset=gb2312");
set_time_limit(120);
function Read($filename)
{
$handle = @fopen($filename,"r");
$filecode = @fread($handle,@filesize($filename));
@fclose($handle);
return $filecode;
}
function weidun_decode($code)
{
$tmp = '';$tmp1 = '';$tmp2 = '';
$linearray = file($code);
$keyarray = array(base64_decode('L08wTzAwMDBPMFwoJy4qJ1wpLw=='),base64_decode('L1wpLCcuKicsLw=='),base64_decode('LyxcZCpcKSwv'),base64_decode('TzBPMDAwME8wKCc='),base64_decode('QUJDREVGR0hJSktMTU5PUFFSU1RVVldYWVphYmNkZWZnaGlqa2xtbm9wcXJzdHV2d3h5ejAxMjM0NTY3ODkrLw=='));
if(preg_match($keyarray[0],$linearray[1],$str)){$tmp = str_replace($keyarray[3],'',$str[0]);$tmp = str_replace('\')','',$tmp);$tmp = base64_decode($tmp);}
if(preg_match($keyarray[1],$tmp,$str1)){$tmp1 = str_replace('),\'','',$str1[0]);$tmp1 = str_replace('\',','',$tmp1);}
if(preg_match($keyarray[2],$tmp,$str2)){$tmp2 = str_replace('),','',$str2[0]);$tmp2 = str_replace(',','',$tmp2);}
return '<?php'."\r\n".base64_decode(strtr(substr($linearray[2],$tmp2),$tmp1,$keyarray[4]))."\r\n".'?-->';
}
echo '解密前：
<textarea name="newcode" cols="80" rows="15">'.htmlspecialchars(Read($file)).'</textarea>

';
echo '解密后：
<textarea name="newcode" cols="80" rows="15">'.htmlspecialchars(weidun_decode($file)).'</textarea>
';
?>