Kali/Change Mac Address
From charlesreid1
The procedure for changing your mac address.
Take Down Network Interface
You'll want to take your network device offline to change your mac address:
$ ifconfig eth0 down
or if you're using wireless,
$ ifconfig wlan2 down
Change Your Mac
Change it to something random:
macchanger -r eth0
Bring Up Your Network Interface
Time to bring your network device back online:
$ ifconfig eth0 up
Check To Make Sure
$ ifconfig