資源簡介
軟件彩蛋我想大家都應該聽說過。經典的比如在Excel得某個單元隔里面OOXX就可以獲得一個賽車游戲之類。這是一種軟件彩蛋,純屬娛樂。但是更多的“彩蛋”被用作軟件后門。比如我們提供給客戶一個軟件,通常是看不到某些調試用的窗口和工具的;當我們被要求給客戶提供現場技術支持的時候,我們往往希望通過某種隱秘的手段來開啟這些條使用的工具和窗口,這就是后門。這類后門中又以按鍵后門最為常見,下面我們就利用一個已有的第三方函數庫Utilities.dll來構建一個后門系統。
代碼片段和文件信息
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?Utilities;
namespace?BackdoorExample
{
????public?partial?class?Form1?:?Form
????{
????????private?KeyboardIncantationMonitor?m_KeyBackDoor?=?new?KeyboardIncantationMonitor();
????????public?Form1()
????????{
????????????InitializeComponent();
????????????//!?加入后門
????????????AddBackDoor();
}
private?void?AddBackDoor()
{
//!?第一個后門
do
{
//!?申請一個后門暗號
KeyboardIncantationMonitor.KeysIncantation?tInc?=?m_KeyBackDoor.NewIncantation()?as?KeyboardIncantationMonitor.KeysIncantation;
//!?初始化這個暗號為:依次按下?HELLO
tInc.AddKey(Keys.Escape);
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????44544??2010-01-26?19:20??Utilities.dll
?????文件???????3950??2010-01-26?20:15??BackdoorExample\BackdoorExample\BackdoorExample.csproj
?????文件???????2402??2010-02-22?15:46??BackdoorExample\BackdoorExample\Form1.cs
?????文件???????2430??2010-02-22?14:51??BackdoorExample\BackdoorExample\Form1.Designer.cs
?????文件???????5814??2010-02-22?14:51??BackdoorExample\BackdoorExample\Form1.resx
?????文件????????507??2010-01-26?19:28??BackdoorExample\BackdoorExample\Program.cs
?????文件???????1442??2010-01-26?19:28??BackdoorExample\BackdoorExample\Properties\AssemblyInfo.cs
?????文件???????2859??2010-01-26?19:28??BackdoorExample\BackdoorExample\Properties\Resources.Designer.cs
?????文件???????5612??2010-01-26?19:28??BackdoorExample\BackdoorExample\Properties\Resources.resx
?????文件???????1100??2010-01-26?19:28??BackdoorExample\BackdoorExample\Properties\Settings.Designer.cs
?????文件????????249??2010-01-26?19:28??BackdoorExample\BackdoorExample\Properties\Settings.settings
?????文件??????44544??2010-01-26?19:20??BackdoorExample\BackdoorExample\Utilities.dll
?????文件????????935??2010-01-26?19:28??BackdoorExample\BackdoorExample.sln
????..A..H.?????16384??2010-02-22?15:47??BackdoorExample\BackdoorExample.suo
?????目錄??????????0??2010-02-22?14:08??BackdoorExample\BackdoorExample\Properties
?????目錄??????????0??2010-02-22?15:47??BackdoorExample\BackdoorExample
?????目錄??????????0??2010-02-22?14:08??BackdoorExample
-----------?---------??----------?-----??----
???????????????132772????????????????????17
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