How I Misunderstood and Improved the MagSpoof

MagSpoof does not enable you to use credit cards that you are not legally authorized to use. Simply having a credit card number and expiration is not enough to perform transactions. MagSpoof does allow you to perform research in other areas of magstripes, microcontrollers, and electromagnetism, as well as learn about and create your own devices similar to other existing, commercial technologies such as Samsung MST and Coin. The stronger the electromagnet, the further away you can use it a few inches in its current iteration.

MagSpoof also uses inexpensive, off the shelf parts, and can be built with almost nothing more than an Arduino, wire and a battery! I use a motor driver to provide a reasonable amount of power. Normally electromagnets have an iron core, however we lose the core for the sake of space and portability.

Also, while the iron core does make the electromagnet more efficient, we still produce more than enough power to work. MagSpoof improves on new cards such as Coin.

magspoof project

I found that by emulating a card with MagSpoof, if I send Track 1 one way, and then send Track 2 reversed, every card reader will assume I simply swiped a card back and forth, use the data from both tracks and my strong electromagnet, and properly read all of the data. This is extremely effective, uses only a single coil, and works for both tracks simultaneously.

This also allows MagSpoof to work on Track 3. An Atmel ATtiny85 is the microcontroller to drive the entire system. In a thinner, credit-card sized 0. I use an LD H-bridge to drive the electromagnet. The LD is a motor driver, but motors are actually driven by the electromagnet s and magnets inside of them. Any standard driver should work here. This piece of wire incredibly produces an electromagnetic field that makes the card reader believe a card is being swiped.

By rapidly controlling the polarization of this field, the magstripe reader believes the flipped bits of a real card are being swiped through the reader.

A small mAh 3. For the credit card size version not shown hereI use a battery from PowerStream. Keep enough energy in this capacitor to provide the electromagnet with power when we need it, otherwise it will pull too much current and reset the microcontroller. To signal to us when we transmit information. MagSpoof is compatible with the Arduino framework and can work on traditional Arduinos as well as ATtiny chips.

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Hack Lugar provides update to people. Post a Comment. Home About Contact Hack Lugar. Simply having a credit card number and expiration is not enough to perform transactions. MagSpoof can be used as a traditional credit card and simply store all of your credit cards and with modification, can technically disable chip requirements in various impressive and exciting form factors, or can be used for security research in any area that would traditionally require a magstripe, such as readers for credit cards, drivers licenses, hotel room keys, automated parking lot tickets, etc.

Magnetic stripes magstripes are in fact magnetic. In the video, I actually dip my credit card into a bag of iron oxide. The magnetic elements in the magstripe attract the iron oxide and after pulling it out, you can actually see each bit in the tracks. Magnetic strips can have up to three tracks, however credit cards only have two tracks Tracks 1 and 2.

Track 2 has less bits per inch so it's easier to see. Let's take a look:. Front of card:. As you can see on my card, I've written out the bits above the strips. Two solid stripes is a 1 and a stripe followed by a space is a 0.

First, let's flip the card degrees looking at it upside downand read it as least significant bit first. We ignore all the initial 0's until the very first 1. Track 2 is 5 bits per character, least significant bit first, and the 5th bit is an odd parity bit.

MagSpoof emulates a magnetic stripe by quickly changing the polarization of an electromagnet, producing a magnetic field similar to that of a normal magnetic stripe as if it's being swiped.

The stronger the electromagnet, the further away you can use it a few inches in its current iteration. MagSpoof also uses inexpensive, off the shelf parts described in the Hardware sectionand can be built with almost nothing more than an Arduino, wire and a battery!

I use a motor driver to provide a reasonable amount of power. Normally electromagnets have an iron core, however we lose the core for the sake of space and portability. Also, while the iron core does make the electromagnet more efficient, we still produce more than enough power to work.

MagSpoof improves on new cards such as Coin. I'm a customer of Coin, and while I love their app and the card, the card actually works a very small percentage of the time.

I found that by emulating a card with MagSpoof, if I send Track 1 one way, and then send Track 2 reversed, every card reader will assume I simply swiped a card back and forth, use the data from both tracks and my strong electromagnet, and properly read all of the data. This is extremely effective, uses only a single coil, and works for both tracks simultaneously. This also allows MagSpoof to work on Track 3. However, the bits stating the card has Chip-and-PIN can be turned off from the magstripe.

What initially led me to investigate magnetic stripes was my Amex card.MagSpoof is the famous tool created by Samy Kamkar to emulate credit cards, we have created a kit to provide all researchers and security enthusiasts to perform tests without much knowledge of electronics. We have tried to make it easier to have your own MagSpoof without losing the fun of assembling and welding yourself.

You can use the MagSpoof for safety testing or as an electronic wallet where you can store all your credit cards and choose when to use when buying. This is an enhanced version of the original MagSpoof have changed the driver L by the TC for optimizing the size and provide more current in the coil, we have added a ICSP header for easy loading firmware with any programmer AVR or Arduino.

MagSpoof - magnetic stripe spoofer / credit card magstripe emulator

The MagSpoof is a wireless penetration testing tool for use in authorized security audits where permitted. Check laws and obtain permission before using.

Electronic Cats and Samy Kamkar claim no responsibility for unauthorized use or damages. Please hack responsibly.

Getting Started With MagSpoof

Consulte las leyes y obtener el permiso antes de usar. Por favor, hackear de forma responsable. Skip to content.

how to build magspoof

Add to Compare Add to Wishlist. For more details and information please visit the documentation section. Reviews There are no reviews yet. Featured arduinoarduino idemagneticmagspoofmagspoof v3samdsamd DevBoardElectronics. CatWan Relay board. New arduinoarduino idecircuitpythonmagspoofnfcnfc copy catsecurity. CatSat: Education Kit.Did you use this instructable in your classroom? Add a Teacher Note to share how you incorporated it into your lesson.

This document is pretty much the bible on how magnetic stripes work, and you need to understand how data is encoded on to them and the basic formatting of the tracks on a given magnetic stripe card. I'm going to go get a cup of coffee; have it read by the time I get back. As you will have learned from your reading, data is encoded on to magnetic stripes by means of magnetic flux reversal in the segments on the stripe.

When the card is swiped past the card reader, the changing magnetic field of the passing flux reversals induce a current in the reader element, which is then decoded into binary bits, and the original data stored on the magnetic stripe is reconstructed.

So, in order to emulate a particular magnetic stripe, all we need to do is find a way to recreate the pattern of the way its magnetic field changes as it's being swiped past the reader. How are we going to do this? With an electromagnet! As you may already know, an electromagnet is basically just a solenoid coil of wire. When an electric current is passed through the coil, a magnetic field is created. By turning the electromagnet on and off rapidly, we can replicate the changing magnetic field of a magnetic stripe swipe.

The final piece of this puzzle is how to control the electromagnet. Well, we're trying to recreate a particular waveform of current through the solenoid in order to create a particular waveform of magnetism. What's a common way of storing waveforms and converting them to electric current?

Sound files! So, all we have to do is encode the highs and lows representing the desired flux reversal pattern into a. Music players designed to play sound through headphones do not produce enough current to drive the electromagnet in this project, so we will also have to construct a basic amplifier that the signal must be passed through before going to the electromagnet.

Although a solenoid by itself will produce a magnetic field when electric current is passed through it, a much stronger magnetic field will be produced if the solenoid is wrapped around a core of ferrous material, such iron or steel. For this project, I cut some small shapes out of 7 mil steel shim material to use as the core. I marked off a tab that is the part of the metal that will actually be inside of the reader slot, and cut some grooves to keep the solenoid in place.This product is no longer available for sale.

The seller may be offering an improved version or it may be hanging out on the beach, enjoying the retired life. New version available, PCB Black!! MagSpoof is the famous tool created by Samy Kamkar to emulate credit cards, we have created a kit to provide all researchers and security enthusiasts to perform tests without much knowledge of electronics.

We have tried to make it easier to have your own MagSpoof without losing the fun of assembling and welding yourself. You can use the MagSpoof for safety testing or as an electronic wallet where you can store all your credit cards and choose when to use when buying.

This is an enhanced version of the original MagSpoof have changed the driver L by the TC for optimizing the size and provide more current in the coil, we have added a ICSP header for easy loading firmware with any programmer AVR or Arduino. The MagSpoof is a wireless penetration testing tool for use in authorized security audits where permitted.

how to build magspoof

Check laws and obtain permission before using. Electronic Cats and Samy Kamkar claim no responsibility for unauthorized use or damages. Please hack responsibly. Consulte las leyes y obtener el permiso antes de usar. Por favor, hackear de forma responsable. Product: 5. Shipping: 3.

how to build magspoof

Communication: 4. Adam May 2, Angel March 6, Aguascalientes, Aguascalientes, Mexico. We recognize our top users by making them a Tindarian. There isn't a selection process or form to fill out. Log In. Retired This product is no longer available for sale.

View Options and Buy. Read More…. For more details and information please visit the documentation section. Specs and Docs Source Code Documentation. Reviews 2 Review Breakdown 5. Average Ratings Product: 5. Adam May 2, Edit Delete reply. Great kit that works as advertised!

I had to order the product twice, because the first time the product was not shipped int he first 2 weeks of my order so it got auto-cancelled. However, barring that, it is a great product.See more: magspoof for salemag spoof devicemagspoof kithow to build magspoofbuy magspoofmagspoof arduinohow to make a magspoofmagspoof schematicProject for subhapam as per Proposal Document — Version 1. I've had a look at your project description and feel that my skills match your requirements perfectly.

Relevant Skills and Experience G More. Hello hiring manager I am expert in code magspoof. I read your details and I understand is that you wish to code magspoof project. I have completed more than 70 home based projects in Python.

Lets do this. Propose More. Relevant Skills and Exp More. We work in IT service sector. If you have any requirement for Web development, Mobile Application development, Digital Marketing, or any outsource process.

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I am looking to Hire Work. Username or Email. Password I forgot my password.Note: MagSpoof does not enable you to use credit cards that you are not legally authorized to use. Simply having a credit card number and expiration is not enough to perform transactions. MagSpoof does allow you to perform research in other areas of magstripes, microcontrollers, and electromagnetism, as well as learn about and create your own devices similar to other existing, commercial technologies such as Samsung MST and Coin.

MagSpoof can be used as a traditional credit card and simply store all of your credit cards and with modification, can technically disable chip requirements in various impressive and exciting form factors, or can be used for security research in any area that would traditionally require a magstripe, such as readers for credit cards, drivers licenses, hotel room keys, automated parking lot tickets, etc.

Magnetic stripes magstripes are in fact magnetic. What's so cool about magstripes is that while the magnetic strips inside are weak, they're still strong enough to attract small ferrous particles and wide enough that we can fully extract all data from a magstripe or credit card with the naked eye. In the video, I actually dip my credit card into a bag of iron oxide. The magnetic elements in the magstripe attract the iron oxide and after pulling it out, you can actually see each bit in the tracks.

Magnetic strips can have up to three tracks, however credit cards only have two tracks Tracks 1 and 2. Track 2 has less bits per inch so it's easier to see. Let's take a look:. As you can see on my card, I've written out the bits above the strips. Two solid stripes is a 1 and a stripe followed by a space is a 0.

First, let's flip the card degrees looking at it upside downand read it as least significant bit first. We ignore all the initial 0's until the very first 1. Track 2 is 5 bits per character, least significant bit first, and the 5th bit is an odd parity bit.

MagSpoof emulates a magnetic stripe by quickly changing the polarization of an electromagnet, producing a magnetic field similar to that of a normal magnetic stripe as if it's being swiped.

The stronger the electromagnet, the further away you can use it a few inches in its current iteration. MagSpoof also uses inexpensive, off the shelf parts described in the Hardware sectionand can be built with almost nothing more than an Arduino, wire and a battery! I use a motor driver to provide a reasonable amount of power. Normally electromagnets have an iron core, however we lose the core for the sake of space and portability.

Also, while the iron core does make the electromagnet more efficient, we still produce more than enough power to work. MagSpoof improves on new cards such as Coin. I'm a customer of Coin, and while I love their app and the card, the card actually works a very small percentage of the time.

I found that by emulating a card with MagSpoof, if I send Track 1 one way, and then send Track 2 reversed, every card reader will assume I simply swiped a card back and forth, use the data from both tracks and my strong electromagnet, and properly read all of the data. This is extremely effective, uses only a single coil, and works for both tracks simultaneously.

This also allows MagSpoof to work on Track 3. Additionally, if you're using a Chip card with Coin, you still need to bring your actual credit card to dip, however because MagSpoof can disable Chip-and-PIN see belowit does not require you to bring your card with you.

One of the primary issues I've found is that some of the new forms of security well, new in the US are set in the "service code" portion of the magstripe, most specifically Chip-and-PIN. However, the bits stating the card has Chip-and-PIN can be turned off from the magstripe.

This means if you take a card to a retailer that would normally request you to dip, you can actually get away with not dipping your chip at all while performing a successful transaction, evading the security measures altogether. What initially led me to investigate magnetic stripes was my Amex card. After losing a card and Amex quickly sending me a replacement, I noticed many of the digits were similar.

I pulled up the numbers to several other Amex cards I had, and then compared against more than 20 other Amex cards and replacements and found a global pattern that allows me to accurately predict American Express card numbers by knowing a full card number, even if already reported lost or stolen. This means if I were to obtain your Amex card and you called it in as lost or stolen, the moment you get a new card, I know your new credit card number.


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