http://abacusq6ixeuo7k322m7b26sny5zq4d3ot6lqe64q5agxajetncf6nid.onion/usblyzer_version_2_2_protocol_analyzer.php
What do you do when you want to know what is going on inside the Windows USB subsystem? What USB drivers are used to connect various peripheral USB devices to a computer? What I/O requests, support routines, structures, and interfaces the core components of the Windows USB architecture use to communicate with the USB devices?