One of our most popular articles is dedicated to extracting passwords on WiFi networks. Beyond the intentions of each user, the truth is there is a permanent interest in challenging and defeating the security of wireless networks. The Raspberry Pi Zero W has become a luxury tool for that task, thanks to its portability and compatibility. What does the software offer? Basically, turning the Pi into a WiFi-hunting Tamagotchi with the Pwnagotchi project, which includes an artificial intelligence capable of "learning" about the wireless environment and adjusting parameters to optimize its chances of success.
Some simply want to steal the neighbor's WiFi to get free Internet. Others prefer to play pranks by changing the network identifier, or demonstrating how weak the original password was. And then there are those who want to learn more about available protocols, in an attempt to improve their local security. No technology is infallible when it comes to WiFi, and to that are added the natural flaws of routers, which in most cases do not receive any security update.
So… attack to defend better. Where do we start? I suppose loading a Linux environment with the necessary tools is something too common and predictable, so how does creating a Tamagotchi to hack WiFi networks sound? By that I don't mean modifying one of the original devices, but rather building something with a similar interface. That's where the Pwnagotchi project comes in, based on a Raspberry Pi Zero W with Bettercap as the main resource.
The idea is that we take our Pwnagotchi to spaces with multiple WiFi networks it can get to know. That way it will learn more about them, and begin to "feed" on the handshakes it obtains. At the same time, Pwnagotchi will modify itself, adjusting parameters that enable faster capture and hacking. All its "Tamagotchi essence" is nothing more than a design choice to break the monotony of classic terminals. Pwnagotchi smiles if it finds itself in optimal condition and captures new handshakes, but it will say it is getting bored if it doesn't register wireless activity. The solution? Take it elsewhere so it can meet new networks.
https://old.neoteo.com/como-analizar-la-senal-wifi/Pwnagotchi may be pleasing to the eye, but it is logical to find some technical limitations. The setup process is not so friendly and has variants depending on its use as a headless unit or with a screen connected to the Pi Zero W. Other users have been successful in moving Pwnagotchi to models 3 and 4 of the Pi, however, what the platform learns is not transferable between mini computers. The Raspberry Pi Zero W only sees 2.4 GHz networks, while its bigger brothers have dual-band support (2.4 GHz/5 GHz). In any case, Pwnagotchi is something different from the rest, and takes an extra step instead of just cracking WiFi networks following fixed commands.
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