arpstraw is an open source [MITM] detection tool that notify user when it detect an ArpSpoof attack. It rests on a config file arpstraw.cfg where you can specify each host you know in your network.
+ Python 2.7x
Before the usage, you must copy the template.cfg file and rename it to arpstraw.cfg and specify the hosts you know on your network. For example your router ip/mac addresses and other hosts you want.
git clone https://github.com/he2ss/arpstraw && cd arpstraw
pip install -r requirements.txt
python main.py -h
python main.py -i eth0
python main.py -f myfile.pcap