Question

解密PHP混淆代码，求解码(过程)完整方法。。

<?php // This file is protected by copyright law & provided under license. Copyright(C) 2005-2009 www.vidun.com, All rights reserved.
eval(base64_decode('JElJSUlJSUlJSUlsbD0nYmFzZTY0X2RlY29kZSc7JElJSUlJSUlJSUlJbD0ncHJlZ19tYXRjaCc7'));$OOO0O0O00=__FILE__;$OOO000000=urldecode('%74%68%36%73%62%65%68%71%6c%61%34%63%6f%5f%73%61%64%66%70%6e%72');$OO00O0000=500;$OOO0000O0=$OOO000000{4}.$OOO000000{9}.$OOO000000{3}.$OOO000000{5};$OOO0000O0.=$OOO000000{2}.$OOO000000{10}.$OOO000000{13}.$OOO000000{16};$OOO0000O0.=$OOO0000O0{3}.$OOO000000{11}.$OOO000000{12}.$OOO0000O0{7}.$OOO000000{5};$O0O0000O0='OOO0000O0';eval(($$O0O0000O0('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')));return;?>
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

Answer 1

不知道你给的代码全不全,解密后只有这一段
<?php

$v000000=;
if(preg_match(O0O0000O0('.'),$v000002[1],$v000003))
{
$v000000=str_replace(O0O0000O0(',,$y[0]);
$content=str_replace('),,$v000000);
$v000000=base64_decode($v000000);
}

?>

Answer 2

不一定是加密的 有可能是乱码导致的 还有可能是那两个文件根本不是PHP文件 你可以尝试使用不同的编码打开文件