Esempio n. 1
0
        // The callback function for the SharpPcap library
        private static void device_PcapOnPacketArrival(object sender, CaptureEventArgs e)
        {
            if (Packet.ParsePacket(LinkLayers.Ethernet, e.Packet.Data).PayloadPacket == null)
            {
                return;
            }

            TcpPacket tcpPacket = Packet.ParsePacket(LinkLayers.Ethernet, e.Packet.Data).PayloadPacket.PayloadPacket as TcpPacket;

            // THIS FILTERS D3 TRAFFIC, GS AS WELL AS MOONET
            if (tcpPacket != null && (tcpPacket.SourcePort == 1119 || tcpPacket.DestinationPort == 1119))
            {
                Connection c = new Connection(tcpPacket);
                if (!sharpPcapDict.ContainsKey(c))
                {
                    string   fileName = c.getFileName(path);
                    TcpRecon tcpRecon = new TcpRecon(fileName);
                    sharpPcapDict.Add(c, tcpRecon);
                }

                // Use the TcpRecon class to reconstruct the session
                sharpPcapDict[c].ReassemblePacket(tcpPacket);
            }
        }
Esempio n. 2
0
        // The callback function for the SharpPcap library
        private static void device_PcapOnPacketArrival(object sender, CaptureEventArgs e)
        {
            TcpPacket tcpPacket = Packet.ParsePacket(LinkLayers.Ethernet, e.Packet.Data).PayloadPacket.PayloadPacket as TcpPacket;

            // THIS FILTERS D3 TRAFFIC, GS AS WELL AS MOONET
            if (tcpPacket != null && (tcpPacket.SourcePort == 1119 || tcpPacket.DestinationPort == 1119))
            {
                Connection c = new Connection(tcpPacket);
                if (!sharpPcapDict.ContainsKey(c))
                {
                    string fileName = c.getFileName(path);
                    TcpRecon tcpRecon = new TcpRecon(fileName);
                    sharpPcapDict.Add(c, tcpRecon);
                }

                // Use the TcpRecon class to reconstruct the session
                sharpPcapDict[c].ReassemblePacket(tcpPacket);
            }
        }
Esempio n. 3
0
        // The callback function for the SharpPcap library
        private static void device_PcapOnPacketArrival(object sender, CaptureEventArgs e)
        {
            var packet = Packet.ParsePacket(LinkLayers.Ethernet, e.Packet.Data);
            var eth_packet = packet as EthernetPacket;

            if (packet.PayloadPacket == null) return;

            //drop non ipv4
            if (eth_packet.Type != EthernetPacketType.IpV4)
                return;

            IPv4Packet ipv4Packet = eth_packet.PayloadPacket as IPv4Packet;
            if (ipv4Packet.PayloadPacket == null) return;

            TcpPacket tcpPacket = ipv4Packet.PayloadPacket as TcpPacket;

            if (tcpPacket == null)
                return;

            if (!tcpPacket.ValidChecksum)
                return;

            // THIS FILTERS D3 TRAFFIC, GS AS WELL AS MOONET
            if (tcpPacket.SourcePort == 1119 || tcpPacket.DestinationPort == 1119)
            {
                Connection c = new Connection(tcpPacket);
                if (!sharpPcapDict.ContainsKey(c))
                {
                    string fileName = c.getFileName(path);
                    TcpRecon tcpRecon = new TcpRecon(fileName);
                    sharpPcapDict.Add(c, tcpRecon);
                }

                // Use the TcpRecon class to reconstruct the session
                sharpPcapDict[c].ReassemblePacket(tcpPacket);
            }
        }