USB-Arsenal is the control centre for USB based attacks. It is used to enable USB gadget modes using the USB Function Selector:

If mass storage gadget mode has been enabled then .iso and .img files can be mounted in the Image Mounter menu, before connecting the device to the USB port of a computer which will then treat NetHunter as a USB drive on which the image was installed:

If RNDIS gadget mode is enabled then the USB Network Tethering menu can be used for various network interface based attacks: