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How to implement spoofing wireshark in OMNeT++

To implement a spoofing attack in and monitoring it using Wireshark in OMNeT++ has several steps to execute it. It has encompasses to generate the network simulation where one or more nodes send packets with a spoofed source address. The given below are the detailed procedures on how to implement the Spoofing the Wireshark in OMNeT++:

Step-by-Step Implementation:

  1. Set Up OMNeT++ and INET Framework
  • Make sure that OMNeT++ and the INET framework are installed and correctly configured on system. The INET framework offers the required modules for simulating network characteristics that concludes spoofing attacks.
  1. Define the Network Topology
  • Generate a network topology that contains the numerous nodes like hosts, routers, and a target server.
  • Describe these nodes and their connections in a .ned file.

Example:

network SpoofingNetwork

{

submodules:

server: StandardHost;

attacker: StandardHost;

victim: StandardHost;

router: Router;

connections:

attacker.ethg++ <–> Eth10G <–> router.ethg++;

victim.ethg++ <–> Eth10G <–> router.ethg++;

router.ethg++ <–> Eth10G <–> server.ethg++;

}

  1. Configure the Attacker Node to Spoof Packets
  • Configure the attacker node to send packets with a spoofed source IP address. This can completed by modifying the source address in the application layer of the attacker node.
  • Use a custom application module or adjust an existing one to allow IP spoofing.

Example:

*.attacker.ipv4.arpType = “globalArp”

*.attacker.app[0].typename = “UdpBasicApp”

*.attacker.app[0].destAddress = “server”

*.attacker.app[0].destPort = 80

*.attacker.app[0].messageLength = 1024

*.attacker.app[0].sendInterval = exponential(0.01s)

*.attacker.ipv4.address = “10.0.0.2” # Spoofed IP address of the victim

In the example above, the attacker sends packets with the IP address of the victim (10.0.0.2) as the source.

  1. Configure the Server and Victim Nodes
  • Set up the server to receive packets. The server can be configured as a sink that simply logs or processes incoming packets.
  • The victim node is usually not aware of the spoofing, but it should be encompassed in the network to observe any indirect effects.

Example:

*.server.app[0].typename = “UdpSink”

*.server.app[0].localPort = 80

  1. Monitor Traffic with Wireshark in OMNeT++
  • OMNeT++ can be integrated with Wireshark to capture and evaluate network traffic.
  • Enable packet capture in OMNeT++ by configuring the simulation to create pcap files, which can be studied in Wireshark.

Example:

*.router.ppp[*].recordPacket = true

*.router.eth[*].recordPacket = true

After running the simulation, OMNeT++ will generate .pcap files that can open in Wireshark.

  1. Run the Simulation
  • Compile OMNeT++ project and run the simulation.
  • Monitor the characteristics of the network that particular concentrate on the traffic generated by the attacker and how it is received by the server.
  1. Analyze the Traffic in Wireshark
  • Open the .pcap files generated by OMNeT++ in Wireshark.
  • Use Wireshark’s filtering and analysis tools to examine the packets, concentarte on the source IP addresses. We need to see packets that appear to come from the victim’s IP address but were actually sent by the attacker.
  1. Enhancements and Variations
  • We need to add more complexity to simulation by introducing numerous attackers or changing the type of traffic being spoofed.
  • Consider simulating diverse kinds of spoofing attacks, such as ARP spoofing or DNS spoofing, by adjusting the attacker’s behaviour.
  • Implement defence mechanisms such as IP filtering or packet inspection to see how they can prevent the spoofing attack.

Example Files

We need to generate files as part of simulation:

  • SpoofingNetwork.ned: Describes the network topology.
  • omnetpp.ini: Contains configuration settings that contain parameters for the spoofing attack.
  • SpoofingNetwork.cc: (Optional) Custom C++ code if you need more advanced behaviour than what is provided by the standard INET modules.

We had understood and get a knowledge on how to setup and how to transfer the packets with the source address that were executed using the OMNeT++ tool. We will also provide the valuable insights on how the spoofing wireshark attacks will perform in other simulation tools.

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