How to Start Spoofing Wireshark Attack Projects Using NS3

To start a spoofing attack including Wireshark using NS3 which normally comprises of counterfeiting packet headers like the source IP or MAC address, mimicking another device or user. Wireshark can utilise to seize and examine the traffic for such spoofed packets, we can follow these approach.

Steps to Start Spoofing Wireshark Attack Projects in NS3

1. Set Up the Environment

• We install NS3 and all necessary dependencies on the system:

./waf configure

./waf build

• Install Wireshark for packet analysis using below command:

sudo apt-get install wireshark

2. Understand Spoofing Types

• IP Spoofing:
  • It changes the source IP address of packets.
• MAC Spoofing:
  • Counterfeit the MAC address within Ethernet frames.
• ARP Spoofing:
  • It transmits forged ARP packets connecting MAC address of the attacker including the victim’s IP address.
• DNS Spoofing:
  • It counterfeit DNS replies transmitting traffic.

3. Define the Network Topology

• We make a basic topology including an attacker, victim, and target server.
• Instance of NS3 Topology:

NodeContainer nodes;

nodes.Create(3); // Attacker, Victim, Server

PointToPointHelper p2p;

p2p.SetDeviceAttribute(“DataRate”, StringValue(“10Mbps”));

p2p.SetChannelAttribute(“Delay”, StringValue(“2ms”));

NetDeviceContainer devices = p2p.Install(nodes);

InternetStackHelper stack;

stack.Install(nodes);

Ipv4AddressHelper address;

address.SetBase(“10.1.1.0”, “255.255.255.0”);

Ipv4InterfaceContainer interfaces = address.Assign(devices);

4. Simulate Normal Traffic

• We need to insert legitimate traffic among the victim and server to utilize NS3 applications.
• Example: UDP Traffic

UdpEchoServerHelper echoServer(9);

ApplicationContainer serverApps = echoServer.Install(nodes.Get(2));

serverApps.Start(Seconds(1.0));

serverApps.Stop(Seconds(10.0));

UdpEchoClientHelper echoClient(interfaces.GetAddress(2), 9);

echoClient.SetAttribute(“MaxPackets”, UintegerValue(100));

echoClient.SetAttribute(“Interval”, TimeValue(Seconds(0.1)));

echoClient.SetAttribute(“PacketSize”, UintegerValue(1024));

ApplicationContainer clientApps = echoClient.Install(nodes.Get(1));

clientApps.Start(Seconds(2.0));

clientApps.Stop(Seconds(10.0));

5. Implement the Spoofing Attack

• IP Spoofing:
  • We change the source IP address within outgoing packets.

void IpSpoofingAttack(Ptr<Socket> socket, Ipv4Address spoofedSrc, Ipv4Address dstAddr, uint16_t dstPort)

{

Ptr<Packet> packet = Create<Packet>(1024); // Payload

Ipv4Header ipHeader;

ipHeader.SetSource(spoofedSrc);

ipHeader.SetDestination(dstAddr);

packet->AddHeader(ipHeader);

socket->Send(packet);

}

• ARP Spoofing:
  • Transmit counterfeit ARP responses connecting the attacker’s MAC address including the victim’s IP.
  • Replicate the ARP poisoning to utilize ARP model of NS3.
• DNS Spoofing:
  • Fake DNS replies transmitting the traffic to a malicious IP.
• MAC Spoofing:
  • We can alter the MAC address of the attacker’s network device:

devices.Get(0)->SetAttribute(“Address”, Mac48AddressValue(“00:11:22:33:44:55”));

6. Enable Packet Capturing

• Seize traffic for Wireshark analysis to utilize PCAP tracing within NS3.

PointToPointHelper p2p;

p2p.EnablePcapAll(“spoofing-attack”);

7. Run the Simulation

• We can compile and run the simulation:

./waf –run spoofing-attack

• Trace the generated .pcap files like spoofing-attack-0-0.pcap.

In this manual, NS3 simulation tool enables to simulate and execute the Spoofing Wireshark Attack Projects using above provided sequential methodology. More information will be presented in upcoming manual as required.

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