加密的Javascript .js文件 [英] Encrypted Javascript .js File

问题描述

你好编码员



我正在检查一个网站的.js文件并得到一个奇怪的js文件，即 editor-loader-1383346616.js [ ^ ]



我说的代码看起来像是

 \ x3c \ x64 \ x69 \ x76 \ x20 \ x69 \ x64 \ x3d \ x27 \ x73 \ x74 \ x61 \\ \\ xx72 \ x74 \ x75 \ x70 \ x73 \ x70 \ x6c \ x61 \ x73 

之前我还没有见过这样的代码。 我想知道此代码是否已加密？如果是，那么如何解密呢？如果不是那么究竟是什么？





我不确定这个标题是否合适因为我不喜欢不知道这个文件是否加密。现在考虑一下，一旦知道了适当的情况，我就会改变它。

解决方案

我得到了Google之后的一点点知识。代码是用十六进制代码编写的，我已经使用位于 Hex的在线代码转换器成功解码了文件的可疑编码部分字符串转换器 [ ^ ]



以下代码：

 \ x3c \ x64 \\ \\x69\x76\x20\x69\x64\x3d\x27\x73\x74\x61\x72\x74\x75\x70\x73\x70\x6c \x61\x73\x68\x73\x63\x72\x65\x65\x6e\x27\x3e\x3c\x2f\x64\x69\x76\ x3e 

解码为：

？<？di？v ？ ？我？d？=？ '·S·吨？一个·R·吨？ú2 P·S·P +升？一个？的2 H 2 S 2 Cl·R·E'E'N''？ >？

删除那些问号问号我得到最终输出如下

< div id = startupsplashscreen >< / DIV> 

Hello coders

I was inspecting .js files of a website and got a strange looking js file i.e. editor-loader-1383346616.js[^]

I am talking about code which looks like

\x3c\x64\x69\x76\x20\x69\x64\x3d\x27\x73\x74\x61\x72\x74\x75\x70\x73\x70\x6c\x61\x73

I haven't seen such code before. I want to know if this code is encrypted? if yes then how to decrypt it? if not then what exactly it is?


I am not sure whether this title is OK or not as I don't know this file is encrypted or not. just consider it for now i will change it once know proper scenario.

解决方案

I got the solution after Google a little bit and little past knowledge. the code is written in hexadecimal code and i have successfully decoded that suspeciously coded part of file using online code converter located at Hex to string converter[^]

and so following code:

\x3c\x64\x69\x76\x20\x69\x64\x3d\x27\x73\x74\x61\x72\x74\x75\x70\x73\x70\x6c\x61\x73\x68\x73\x63\x72\x65\x65\x6e\x27\x3e\x3c\x2f\x64\x69\x76\x3e

decoded as:

?<?d i?v? ?i?d?=?'?s?t?a?r?t?u?p?s?p?l?a?s?h?s?c?r?e?e?n?'??>?

removing those question marks question marks i get final output as follow

<div id="startupsplashscreen"></div>

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