$ sudo apt-get update
$ sudo apt-get install busybox-udeb 

busybox-udeb is installed in your system.

Make ensure the busybox-udeb package were installed using the commands given below,

$ sudo dpkg-query -l | grep busybox-udeb *

You will get with busybox-udeb package name, version, architecture and description in a table

busybox-udeb package basic information: