MAC Changer

 The name of this utility says it all: it can change the media access control (MAC) address of a device's network interface card (NIC) to either a randomized value or a specific address defined by the tester. The MAC Changer on Kali NetHunter has an additional capability of changing the device’s hostname. This can be a very useful feature that can aid a penetration tester in a social-engineering attack: