You just start. Pick a layer and analyze. Run it through a debugger, analyze the network, etc. Time in front of the screen is all you need. All code translates

You just start. Pick a layer and analyze. Run it through a debugger, analyze the network, etc. Time in front of the screen is all you need. All code translates to an execution layer. It helps if you have a few years of dev under your belt. Bonus for low level languages like C or assembly.