Neat. I was trying to reverse engineer the traffic of my weather station which insists on talking to some cloud-service, and I intend to just replicate that locally.

I fired up Wireshark but for whatever reason didn’t see any traffic on the interface; probably because it’s a dumb old wireless network.

I was just about to give up, because I can’t be bothered setting up a fake AP, physically move downstairs to be closer to the device, or something equally insane just to capture the traffic, when in a last (also second) ditch attempt, I do a quick Google and – lo and behold – turns out that the FRITZ!Box has a built-in network analysis tool.

Now let’s see what we can do with a fake DNS setup and mitmproxy…