Browsing all articles tagged with brute force

I really should have written this after ZaCon (november last year), but I’m lazy. However I have been asked to give a brief overview of the same talk at ITWeb this year so I figure I may as well finish this article and get it out :P



So in the first blog post I discussed the basics of Magnetic stripes and how the tech works. I like it because its fundamentally simple (perhaps like myself ;).

This entry is going to cover spoofing, from building a spoofer to having something read the entries. Ideally you want to have a magreader at this stage, either one of the nifty USB ones that act as an HID device or one that you built that can read the tracks you are interested in. Below is a cheap TTL reader I got (cost about R150, thats ~$20):


This is really just so that you can “listen” to what your spoofer can generate. Magnetic stripe spoofers have been done all over the place, so please don’t think I did this, you can see some great examples HERE and HERE. Essentially however the system is dead simple, you have the ‘sound’ that you wish to play (as discussed previously), an amplifier that can crank up the volume to the level that its going to get picked up and an electromagnet (it sounds fancy, itsĀ  just wire coiled around a piece of metal – more later).

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For electronics/other to play with: