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我正在寻找免费的 php 编码器/混淆器。看了http://adromil.myxednotes.com/输出很好，但是它使用脚本文件pencode.php 解码这个页面有多难，它使用，

eval()
gzinflate()
str_rot13()
base64_decode()

如果我用这个脚本编码一个文件，如果 pencode.php 将与 php 文件一起分发，那么解码同样的难度有多大。

有人可以展示如何使用上述相同的功能进行逆向工程，

pencode.php 的内容，

<?php $f='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'; eval(gzinflate(str_rot13(base64_decode('WC1YzNFVr8rMWMtWLFbVKC4pii/KLzE01lVXLEE1M4lCVlrOQlbVQ1bTBAJ4AA==')))); ?>
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1 回答 1

0

我可以解码这个

<?php
/**
*
* @ By Mr.Dm4r 
* @ http://hotm-il.com
*
*/

/*
*
*
*
* @summary     IRCI Political CRM
* @description Security encryption function
* @version     1.3.0
* @file        pencode.php
* @author      Ilios Resources and Cosultancy, Inc. (http://ilios-resources.com)
* @contact     http://ilios-resources.com/contactus.php
*
* @copyright Copyright 2012 Ilios Resources and Cosultancy, Inc., all rights reserved.
*
* This source file is free software, under either the GPL v2 license or a
* BSD style license, available at:
*   eula.txt
*   eula.pdf
* 
* 
* For details please refer to: http://ilios-resources.com
*
*/

function php_decrypt($sValue, $sSecretKey)
{
    return rtrim(
        mcrypt_decrypt(
            MCRYPT_RIJNDAEL_256, 
            $sSecretKey, 
            base64_decode($sValue), 
            MCRYPT_MODE_ECB,
            mcrypt_create_iv(
                mcrypt_get_iv_size(
                    MCRYPT_RIJNDAEL_256,
                    MCRYPT_MODE_ECB
                ), 
            MCRYPT_RAND
        )
    ), "\0"
    );
}

function php_encrypt($sValue, $sSecretKey)
{
    return rtrim(
    base64_encode(
            mcrypt_encrypt(
                MCRYPT_RIJNDAEL_256,
                $sSecretKey, $sValue, 
                MCRYPT_MODE_ECB, 
                mcrypt_create_iv(
                    mcrypt_get_iv_size(
                        MCRYPT_RIJNDAEL_256, 
                        MCRYPT_MODE_ECB
                    ), 
                    MCRYPT_RAND)
                )
            ), "\0"
        );
}

function tokenf($algo='         adler32         ', $bsixfour='                  ODc0NzUzNTQ2Ng==               ', $bool=false) {
    return strtoupper(hash(trim($algo), trim($bsixfour), $bool));
}

function machineid() {
    $zv='snefru';
    $v='tiger128,4';
    $data = hash($zv, gethostbyaddr($_SERVER['REMOTE_ADDR']), true);
    return strtoupper(hash($v, $data, false));
}
?>
于 2013-04-01T18:37:19.923 回答