MAC changing - MDimitroff/kali GitHub Wiki

Change your MAC with
macchanger -r eth0 for lan card and
macchanger -r wlan0 for the wireless card

In order to not forget to do it, add it into the crontab as a command on each reboot
crontab -u user -e

Add the following lines
@reboot macchanger -r eth0
@reboot macchanger -r wlan0