仿微盾PHP加解密代码

dly · 发表于 2012-12-26 22:40:50

先给出找到的加密方法：

<?php
function RandAbc($length=""){//返回随机字符串
$str="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
return str_shuffle($str);
}
$filename='http://www.zhinanz.com/app.php';//加密的PHP文件
$T_k1=RandAbc();//随机密匙1
$T_k2=RandAbc();//随机密匙2
$vstr=file_get_contents($filename);//要加密的文件
$v1=base64_encode($vstr);
$c=strtr($v1,$T_k1,$T_k2);//根据密匙替换对应字符。
$c=$T_k1.$T_k2.$c;
$q1="O00O0O";
$q2="O0O000";
$q3="O0OO00";
$q4="OO0O00";
$q5="OO0000";
$q6="O00OO0";
$s='$'.$q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$'.$q1.'=$'.$q6.'{3}.$'.$q6.'{6}.$'.$q6.'{33}.$'.$q6.'{30};$'.$q3.'=$'.$q6.'{33}.$'.$q6.'{10}.$'.$q6.'{24}.$'.$q6.'{10}.$'.$q6.'{24};$'.$q4.'=$'.$q3.'{0}.$'.$q6.'{18}.$'.$q6.'{3}.$'.$q3.'{0}.$'.$q3.'{1}.$'.$q6.'{24};$'.$q5.'=$'.$q6.'{7}.$'.$q6.'{13};$'.$q1.'.=$'.$q6.'{22}.$'.$q6.'{36}.$'.$q6.'{29}.$'.$q6.'{26}.$'.$q6.'{30}.$'.$q6.'{32}.$'.$q6.'{35}.$'.$q6.'{26}.$'.$q6.'{30};eval($'.$q1.'("'.base64_encode('$'.$q2.'="'.$c.'";eval(\'?>\'.$'.$q1.'($'.$q3.'($'.$q4.'($'.$q2.',$'.$q5.'*2),$'.$q4.'($'.$q2.',$'.$q5.',$'.$q5.'),$'.$q4.'($'.$q2.',0,$'.$q5.'))));').'"));';
$s='<?php
'.$s.
'
?>';
echo "OK,加密完成！";
//生成加密后的PHP文件
$fpp1 = fopen('http://www.zhinanz.com/base64.php','w');
fwrite($fpp1,$s) or die('写文件错误');
?>

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一段简单的代码混淆后效果如下：

<?php
$O00OO0=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$O00O0O=$O00OO0{3}.$O00OO0{6}.$O00OO0{33}.$O00OO0{30};$O0OO00=$O00OO0{33}.$O00OO0{10}.$O00OO0{24}.$O00OO0{10}.$O00OO0{24};$OO0O00=$O0OO00{0}.$O00OO0{18}.$O00OO0{3}.$O0OO00{0}.$O0OO00{1}.$O00OO0{24};$OO0000=$O00OO0{7}.$O00OO0{13};$O00O0O.=$O00OO0{22}.$O00OO0{36}.$O00OO0{29}.$O00OO0{26}.$O00OO0{30}.$O00OO0{32}.$O00OO0{35}.$O00OO0{26}.$O00OO0{30};eval($O00O0O("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"));
?>

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一步一步解密后可以得到：

<?php
echo 1314;
?>

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因为加密时的混淆密钥、变量名等不同，本加密程序并不直接适用所有此类加密代码，一般需要简单修改

解密程序下载：

仿微盾PHP加解密代码

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