usbkill

usbkill is an anti-forensic LKM kill-switch that waits for a change on your usb ports and turns off reboots your computer.

To run:

make
sudo insmod usbkill.ko

You will need to have the linux-headers package installed. If you haven't:

apt-get install linux-headers-$(uname -r)

List usb devices:

lsusb