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nimshellcodeloader's Introduction

NimShellCodeLoader

Nim编写Windows平台shellcode免杀加载器

快速生成免杀可执行文件

codeloader

特点:

1:自带四种加载方式

2:可自行拓展加载方式

3:支持两种加密技术,分别位3des加密和凯撒密码,密钥随机,每次生成文件拥有不同hash

仅限用于技术研究和获得正式授权的测试活动。

## 文件组成:

bin 中存放生成的可执行文件

encryption 存放加密代码文件

module 中存放c++功能文件

file

安装:

1、安装nim最新版

2、下载本项目,分别编译encryption中的Tdea.nimCaesar.nim

nim c -d:release --opt:size Tdea.nim

nim c -d:release --opt:size Caesar.nim

3、编译c#项目,将可执行文件放到当前目录

使用方法:

1、打开生成器

2、将payload拖动到该窗口

first

3、选择加载方式,点击生成,可执行文件会保存到bin文件夹中

second

拓展:

1、新建nim代码文件,引用public,获取code(解密的明文shellcode)和codelen(明文shellcode长度)

code

2、将c++的功能代码放到module文件夹中,在新建的nim文件中调用

3、修改Compiler.ini文件,添加一行,key为加载方式,value为编译使用的命令行,其中为shellcode文件位置的占位符,为加密方式的占位符,其余可以自行定义。

config

引用:

都是网上公开的方法

https://github.com/Moriarty2016

https://github.com/knownsec/shellcodeloader

https://github.com/byt3bl33d3r/OffensiveNim

TODO:

  • 增加更多的加载方式

  • 增加反沙箱等功能

  • 增加加密方式

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