Building a Wardriving Bot

In English, Networking, Security, Techie,

Why run around driving your car in the middle of the night, other people can wardrive for you.
A wardriving bot is an embedded device with Wi-Fi capabilities that is placed over a veicle, like a bus.
I think that a bot needs this features:

  1. high gain antenna and high power Wi-Fi card
  2. the hardware must be a low power device and fanless
  3. mass storage, Compact Flash or Secure Digital cards with a lot of gigabyte (for sniffed data)
  4. a little bit of CPU power for encryption stuff
  5. optionally a GPS
  6. optionally a backup internet connection, that is handly and first of all secure (GPRS or UMTS)

I found two options for build homemade a wardriving bot:

Build it with embedded hardware: Buy each part and assemble it.
I found interesting hardware in Soerkis cards, that are cheap and have all hardware requirements (low power and low cost), and searching on eBay i found some mini-PCI Wi-Fi cards with 300 or 400 milliWatts of power.
Only hardware costs aroung 350 Euro.
.
Build it with a Wi-Fi router: cheap hardware ready out of the box, like a installing OpenWRT on a Linksys WRT54 or like installing Debian on a Asus 500GP (that have 2 usb ports).
This is a cheap solution, with aroud 100 Euro you get the device ready for OpenWRT or Debian setup.
But you don’t have a high power wireless card.
I think this is the best solution to build a wardriving bot.

Links:

Posted by jekil
July 27, 2007

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