How to Start Packet Injection Attack Projects using NS3

To simulate a Packet Injection Attack utilizing the NS-3, we will execute a scenario in which an attacker injects malicious packets into a network we interrupt its general functioning. Packet injection can be target different layers such as MAC, network, or application dependent on the kind of attack we need to replicate the attacks.

Steps to Start Packet Injection Attack Projects using NS3

  1. Set Up NS-3
  • Install NS-3:

./waf configure

./waf build

  • Test the installation:

./waf –run hello-simulator

  1. Understand Packet Injection Attacks
  • Definition: A packet injection attack has included the creating and transferring packets into a network to interrupt, manipulate, or spy on the communication.
  • Possible Goals:
    • we misinform the systems we injecting their fake data.
    • By unnecessary packets and flooding the network.
    • Manipulating the protocol susceptibilities such as TCP, ARP, or DNS.
  1. Define the Network Topology
  • Build a topology by normal nodes like as legitimate users and an attacker that injects packets.
  • Sample Topology:

NodeContainer nodes;

nodes.Create(3); // Two legitimate nodes and one attacker

 

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);

  1. Simulate Normal Traffic
  • Enhance the legitimate traffic among two nodes we replicate their general network activity.
  • Sample: UDP Echo 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(10));

echoClient.SetAttribute(“Interval”, TimeValue(Seconds(1.0)));

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

ApplicationContainer clientApps = echoClient.Install(nodes.Get(0));

clientApps.Start(Seconds(2.0));

clientApps.Stop(Seconds(10.0));

  1. Implement the Packet Injection Attack
  • The attacker node builds and transfer the forged packets.

Sample: Injecting the Malicious Packets at the Network Layer

  • Custom Packet Injection Function:

void InjectPacket(Ptr<Node> attacker, Ipv4Address dstAddr, uint16_t dstPort) {

Ptr<Socket> socket = Socket::CreateSocket(attacker, TypeId::LookupByName(“ns3::UdpSocketFactory”));

InetSocketAddress remote = InetSocketAddress(dstAddr, dstPort);

socket->Connect(remote);

// Create and send a malicious packet

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

socket->Send(packet);

}

  • Schedule the Attack:

Simulator::Schedule(Seconds(5.0), &InjectPacket, nodes.Get(1), interfaces.GetAddress(2), 9);

  1. Enable Packet Tracing
  • Utilizing a PCAP tracing we seizure their packets and analyse the effect of the attack with Wireshark.

PointToPointHelper p2p;

p2p.EnablePcapAll(“packet-injection”);

  1. Run the Simulation
  • We compile and execute the simulation:

./waf –run packet-injection

  • The .pcap files will be generated for each network device.
  1. Analyse the Attack in Wireshark
  • Open the .pcap file in Wireshark:

wireshark packet-injection-0-0.pcap

  • Used this filter we classify the malicious packets:
    • UDP Traffic: udp && ip.src == <attacker IP>
    • TCP Traffic: tcp && ip.src == <attacker IP>
  1. Optional: Implement Specific Attack Scenarios
  • TCP RST Injection:
    • Inject the forged TCP RST packets we dismiss the active connections.
    • Build a packet with the TCP header’s RST flag set.

TcpHeader tcpHeader;

tcpHeader.SetFlags(TcpHeader::RST);

  • ARP Poisoning:
    • Transfer the forged ARP responses we redirect traffic.

ArpHeader arpHeader;

arpHeader.SetOpcode(ArpHeader::REPLY);

arpHeader.SetTargetAddress(“10.1.1.2”);

arpHeader.SetTargetHardwareAddress(“aa:bb:cc:dd:ee:ff”);

  • DNS Spoofing:
    • Respond to DNS queries through forged IP addresses.

DnsHeader dnsHeader;

dnsHeader.SetReply();

dnsHeader.SetRdata(Ipv4Address(“192.168.1.100”)); // Malicious IP

  1. Evaluate Attack Impact
  • Observe their network for performance degradation:
    • Throughput: Calculate on how the attack affects legitimate traffic.
    • Packet Loss: Checked the legitimate packets are dropped.
    • Latency: Amount delays are introduced through the attack.
  • Utilized FlowMonitor:

FlowMonitorHelper flowmon;

Ptr<FlowMonitor> monitor = flowmon.InstallAll();

  1. Implement Countermeasures (Optional)
  • Enhance defence mechanisms:
    • Packet Filtering: Drop the packets from suspicious IPs or by incorrect headers.
    • Rate Limiting: Regulate the number of packets transfer through any single source.
  • Example: Filtering Malicious Packets

void PacketFilter(Ptr<const Packet> packet) {

Ipv4Header ipv4Header;

packet->PeekHeader(ipv4Header);

if (ipv4Header.GetSource() == “10.1.1.1”) {

NS_LOG_UNCOND(“Malicious packet dropped!”);

}

}

  1. Output Results
  • Log metrics such as:
    • Number of injected packets.
    • The attack of success rate.
    • Effect on network performance.

By following these steps, you can simulate a packet injection attack in NS-3, analyse the impact in Wireshark, and optionally implement countermeasures. Let me know if you need further details or specific attack scenarios!

we illustrate the comprehensive simulation setup that will help you to execute and simulate the packet injection attacks projects using NS3 tool and also, we provide the procedures, example snippets and their explanation. If you need to know more details regarding this process, we will provide it.

We handle various layers, including MAC, network, and application. It’s crucial to submit all pertinent project details to phdprojects.org. This way, you can ensure your work is completed on time and meets high-quality standards from our researchers. We guarantee top-notch Packet Injection Attack Projects utilizing NS3 and simulation services.