Clientless WEP Cracking

In case you weren’t aware, using WEP to secure your home network is a bit like putting a sign on your front door letting everyone know that you do have a key to keep it locked, but if they can work out your clue they’ll be able to find it. And then leaving your key under the mat.

I’ve tried cracking WEP before with limited success – relying on the network to be busy enough to capture packets doesn’t make for reliable cracking, but this method is different – forcing the access point to produce all the packets we need for analysis.  I thought it was time I finally proved to myself that it was possible so I dug out the old BT Homehub device and switched on the wireless before booting my MacBook Pro off an excellent pen test Live CD – BackTrack. (Update: BackTrack is now Kali.) Continue reading