Detecting ARP Poisoning with Wireshark (Ubuntu)
1. First, download Wireshark. Open your terminal and type:root@penreturns:~$ sudo apt-get install wireshark
2. Run wireshark by typing this command:
root@penreturns:~$ gksudo wireshark &
ARP poisoning attacks are the most popular, they are extremely easy to do. The most common and effective method of doing this on a shared network segment is to ARP poison the target router, or entire subnet. This also makes it extremely easy to detect. Because an ARP poisoning attack works by repeatedly Re-ARPing the target it will occassionally collide with ARP frames sent by the ACTUAL host. We can detect this with Wireshark by filtering duplicate address ARP frames.
We simply start our capture and set our filter to “arp.duplicate-address-frame” When we examine the data provided by Wireshark we also see that the IP address 192.168.0.1 is being claimed by another MAC address. Under normal network operations two systems should not be claiming the same address on the same network segment, particularly the address of the gateway.
In my case, theres no duplicate address. That's mean im not under ARP Poisoning attack.
Enjoy!
*copy code without root@penreturns:~$
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