Author Archives: ghost

RFID Hacking in the Field – A Comparison of the Proxmark3 RDV4 and the ProxmarkPro – Part 1 of 3

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The past few years have seen somewhat of a renaissance in RFID research, with major developments in both hardware capabilities and attack techniques creating a surge in interest among information security professions all over the world. Since 2018, the Proxmark3 RDV4 from RRG has represented the gold standard for RFID researchers and red teamers alike […]

Writing LF Proxcard Data to the NExT and xEM Chips Using the Proxmark3 RDV4

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One of the primary reasons people are choosing to implant subdermal RFID chips is to securely keep their keyless entry cards on their person at all time. Many residential and commercial buildings are implementing RFID door systems as physical security becomes more and more a part of the public consciousness, and a few of the […]

Decrypting and Emulating Mifare 1K Cards using the RFID Tools Android App

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Introduction One of the most common applications of the Proxmark3 is the reading and cloning of cards. Considering the vast array of protocols and varying degrees of security, it should come as no surprise that the device has gained significant notoriety for its ability to bypass all but the most advanced implementations. The RDV4 by […]

Proxmark3 RDV4 – Setup with Android App

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Updating Firmware In the week leading up to Defcon 27, RFID Research Group released an app for Android devices that allows you to run commands previously restricted to a linux terminal discreetly in from your mobile phone. This new level of functionality is a game changer for the field applications of the Proxmark3 RDV4 and […]

Proxmark3 RDV4 – Setup in Kali Linux

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Before using your Proxmark3 RDV4, you will have to set the device up in your Linux system to install the latest firmware, configure the device settings, and interact with some of the more advanced capabilities of the device. This tutorial will walk you through setting up the Proxmark3 in a Kali Linux environment, although this […]