实例介绍
【实例简介】如果提示找不到 wpcap.dll，请到这里下载win10pcap.msi，并安装，则可以解决这个问题。网址：http://www.win10pcap.org/download/
【实例截图】
【核心代码】
using PacketDotNet;
using SharpPcap;
using SharpPcap.LibPcap;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using 实验二_端口扫描技术;
namespace 端口扫描小工具
{
public partial class Form1 : Form
{
IPAddress sourceip = NetworkUtils.GetPhysicalIP();
LibPcapLiveDeviceList devices = null;
PcapDevice device;
string way = "Syn Scan";
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
BeginIp.Text = NetworkUtils.GetPhysicalIP().ToString();
EndIp.Text = NetworkUtils.GetPhysicalIP().ToString();
}
private void OneIP_CheckedChanged(object sender, EventArgs e)
{
this.EndIp.Text = this.BeginIp.Text;
}
private void TcpBegin_Click(object sender, EventArgs e)
{
if (Connect.Checked == true)
{
way = "Connect Scan";
Connectscan();
}
else
{
devices = LibPcapLiveDeviceList.Instance;
foreach (PcapDevice dev in devices)
{
if (dev.Interface.FriendlyName.ToString() == "WLAN")
{
device = dev;
device.OnPacketArrival = new PacketArrivalEventHandler(device_OnPackArrival);
device.Open(DeviceMode.Promiscuous, 1000);
device.StartCapture();
}
}
long beginip = StringIPToUintIP(this.BeginIp.Text);
long endip = StringIPToUintIP(this.EndIp.Text);
ushort beginport = Convert.ToUInt16(this.BeginPort.Text);
ushort endport = Convert.ToUInt16(this.EndPort.Text);
progressBar1.Maximum = ((endport - beginport) 1);//设置最大长度值
progressBar1.Value = 0;//设置当前值
PhysicalAddress sourceMAC = NetworkUtils.GetMacAddress(sourceip);//源MAC
ParameterizedThreadStart threadStart = t =>
{
for (long i = beginip; i <= endip; i )
{
IPAddress destionip = NetworkUtils.LongToIPAddress(i);
PhysicalAddress destionMAC = NetworkUtils.GetMacAddress(destionip);//目的MAC
for (int m = beginport; m <= endport; m )
{
UpdateProgressBar(m.ToString());
ushort port = Convert.ToUInt16(m);
ushort ssport = Convert.ToUInt16(6060);
TcpPacket packet = NetworkUtils.CreateTcpPacket(ssport, port, true, false);//第一步构造TCP数据包
IPv4Packet ipv4packet = NetworkUtils.CreateIpV4Packet(sourceip, destionip, packet);//第二布构造含有TCP的IP包
EthernetPacket enterpacket = NetworkUtils.CreateEthernetPacket(sourceMAC, destionMAC, ipv4packet);//第三步构造以太网数据包
device.SendPacket(enterpacket);//发送数据包
}
}
};
Thread thread = new Thread(threadStart);
thread.IsBackground = true;
thread.Start();
}
}//TCP扫描
delegate void UpdateProgressBarCallback(object port);
private void UpdateProgressBar(object port)
{
if (progressBar1.InvokeRequired)
{
UpdateProgressBarCallback d = new UpdateProgressBarCallback(UpdateProgressBar);
this.Invoke(d, new object[]{port});
return;
}
this.textBox7.Text = "当前扫描端口" port.ToString();
progressBar1.Value = 1;//让进度条增加一次
float percent = ((float)progressBar1.Value/progressBar1.Maximum)*100;
label5.Text = percent.ToString() "%";
}
/// <summary>
/// IP地址转化
/// </summary>
/// <param name="ipaddr">字符串的IP地址</param>
/// <returns>整型的IP地址</returns>
private long StringIPToUintIP(string ipaddr)
{
string[] ips = ipaddr.Split('.');
return Convert.ToInt64(ips[3]) * 256 * 256 * 256 Convert.ToInt64(ips[2]) * 256 * 256 Convert.ToInt64(ips[1]) * 256 Convert.ToUInt32(ips[0]);
}
private void device_OnPackArrival(object sender, CaptureEventArgs e)//接收到包的处理
{
int beginport = int.Parse(this.BeginPort.Text);
int endport = int.Parse(this.EndPort.Text);
string sourceport;
string destinationport;
string sourceip;
var packet = PacketDotNet.Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);//解析出基本包
var dlpacket = PacketDotNet.DataLinkPacket.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);//协议类别
var tcpPacket = PacketDotNet.TcpPacket.GetEncapsulated(packet);//TCP数据包
var ipPacket = PacketDotNet.IpPacket.GetEncapsulated(packet);//TCP数据包
if (tcpPacket != null)
{
var pa = tcpPacket;
sourceport = tcpPacket.SourcePort.ToString();
destinationport = tcpPacket.DestinationPort.ToString();
sourceip = ipPacket.SourceAddress.ToString();
if (int.Parse(destinationport) == 6060&&tcpPacket.Syn==true)
{
LST.Invoke(new ShowInlist(tcpshowlist), new object[] { sourceport,sourceip });
}
}
}
private delegate void ShowInlist(object sourceport,object sourceip);
void tcpshowlist(object sourceport,object sourceip)
{
for (int i = 0; i < LST.Items.Count;i )
{
if (sourceport.ToString() == LST.Items[i].Tag.ToString() || sourceport.ToString()=="6060")
{
return;
}
}
ListViewItem lvi = new ListViewItem();
lvi.Name = "TCP";
lvi.Text = way;
lvi.Tag = sourceport.ToString();
lvi.SubItems.Add(sourceip.ToString());
lvi.SubItems.Add(sourceport.ToString());
lvi.SubItems.Add("开放");
this.LST.Items.Add(lvi);
}
private void Connectscan()
{
long beginip = StringIPToUintIP(this.BeginIp.Text);
long endip = StringIPToUintIP(this.EndIp.Text);
ushort beginport = Convert.ToUInt16(this.BeginPort.Text);
ushort endport = Convert.ToUInt16(this.EndPort.Text);
progressBar1.Maximum = ((endport - beginport) 1);//设置最大长度值
progressBar1.Value = 0;//设置当前值
ParameterizedThreadStart threadStart = t =>
{
for (long i = beginip; i <= endip; i )
{
string x = NetworkUtils.LongToIPAddress(i).ToString();
for (int m = beginport; m <= endport; m )
{
UpdateProgressBar(m.ToString());
bool result = false;
TcpClient tc = new TcpClient();
//设置超时时间
tc.SendTimeout = tc.ReceiveTimeout = int.Parse(timeout.Text);
try
{
//尝试连接
tc.Connect(x, m);
if (tc.Connected)
{
LST.Invoke(new ShowInlist(tcpshowlist), new object[] { m.ToString(), x });
}
}
catch (System.Net.Sockets.SocketException e)
{
result = false;
}
finally
{
tc.Close();
tc = null;
}
}
}
};
Thread thread = new Thread(threadStart);
thread.IsBackground = true;
thread.Start();
} //全连接扫描
private void OnePort_CheckedChanged(object sender, EventArgs e)
{
this.EndPort.Text = this.BeginPort.Text;
}
private void button2_Click(object sender, EventArgs e)
{
}
}
}
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