这是今天研究的PHP加密，看看大家能破嘛？

Question

你的代码缺少名为 compat.php 的文件

Answer 1

<?php $TVzit=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2B6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$BvP=$TVzit{3}.$TVzit{6}.$TVzit{33}.$TVzit{30};$aSjICofqQmyA=$TVzit{33}.$TVzit{10}.$TVzit{24}.$TVzit{10}.$TVzit{24};$yAWUKgHlEu=$aSjICofqQmyA{0}.$TVzit{18}.$TVzit{3}.$aSjICofqQmyA{0}.$aSjICofqQmyA{1}.$TVzit{24};$RcYxFbJO=$TVzit{7}.$TVzit{13};$BvP.=$TVzit{22}.$TVzit{36}.$TVzit{29}.$TVzit{26}.$TVzit{30}.$TVzit{32}.$TVzit{35}.$TVzit{26}.$TVzit{30};$rUYuF=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$WSc=$rUYuF{3}.$rUYuF{6}.$rUYuF{33}.$rUYuF{30};$nPOZLRlAIvti=$rUYuF{33}.$rUYuF{10}.$rUYuF{24}.$rUYuF{10}.$rUYuF{24};$tiJfqmDsBM=$nPOZLRlAIvti{0}.$rUYuF{18}.$rUYuF{3}.$nPOZLRlAIvti{0}.$nPOZLRlAIvti{1}.$rUYuF{24};$jpgdKQVy=$rUYuF{7}.$rUYuF{13};$WSc.=$rUYuF{22}.$rUYuF{36}.$rUYuF{29}.$rUYuF{26}.$rUYuF{30}.$rUYuF{32}.$rUYuF{35}.$rUYuF{26}.$rUYuF{30};eval($WSc("$oaNhCwbXez="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";eval('?>'.$WSc($nPOZLRlAIvti($tiJfqmDsBM($oaNhCwbXez,$jpgdKQVy*2),$tiJfqmDsBM($oaNhCwbXez,$jpgdKQVy,$jpgdKQVy),$tiJfqmDsBM($oaNhCwbXez,0,$jpgdKQVy))));")); ?>

Answer 2

eval($WSc("JG9hTmhDd2JYZXo9Ik9aR2dKRm92eVFkekltcEFQc0x3VFNDaEJ1a2xIak5lcWlEV3RLRWF4TWNucmZSYlVYVlluQ1VKaUFLdUdzWFFTZ2FrVGJxbVdleWpJdnRkUkRwVlpZTnp4SE1vd0ZMbFBoQkVPZnJjVE45bW9Sa3B5WUlHQ2ZBMW9maWRmMjl2YzJPS1NncjVvMmFoQ1VBMENlNW1vUmtZSFdiSm96Y0pIeUFnWHo1RFhVZHVFZDlkVlVkUVhSRktpMkNhRV..............这个部分你把eval($WSc换成base64_decode就能解出一部分了

Answer 3

本帖最后由 chinmo 于 2014-01-23 14:26:19 编辑

  

Answer 4

这个由于缺少文件eykj_cn.php，只能角到这地步了：
include("eykj_cn.php");
$client = new EYS_Client('http://api.eykj.cn/api.php');
$client->setCharset("utf-8");
eval($client->eys("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",base64_encode($_SERVER["SERVER_NAME"])));

Answer 5

其实这种加密解决方法很简单，用echo代替eval，你就能知道执行的是什么了。然后如果输出来发现还是用eval的，继续。就能发现最终语句是什么了。