Chamele-o-nization — ChameleonUltra Security Research Guide
In-depth security research guide by Oscar Alfonso Diaz comparing the ChameleonUltra with the ChameleonMini RevE. Covers MIFARE Classic cracking techniques, dual-frequency capabilities, and practical usage for access control security testing.
Chamele-o-nization
A comprehensive security research guide by Óscar Alfonso Díaz (OscarAkaElvis/v1s1t0r) published on Hackplayers that examines the evolution of NFC/RFID emulation devices from the ChameleonMini RevE Rebooted to the ChameleonUltra.
What It Covers
Hardware Comparison
The guide provides a detailed side-by-side comparison of the two generations:
- ChameleonMini RevE: 13.56 MHz only, ATxmega32A4U processor, CR2032 battery, Micro-USB
- ChameleonUltra: Dual-frequency (13.56 MHz + 125 kHz), nRF52840 processor at 64 MHz, 90 mAh rechargeable LiPo, USB-C and BLE 5.0
Attack Techniques
Detailed coverage of supported MIFARE Classic attacks:
- MFKEY32 v2
- Darkside attack
- Nested attack
- StaticNested attack
- Hardnested attack
Practical Usage
The article walks through real-world scenarios for access control security testing, demonstrating how the ChameleonUltra can read, clone, crack, and emulate various card types used in physical access control systems.
Author
Óscar Alfonso Díaz is a security researcher known in the community as OscarAkaElvis/v1s1t0r, contributing to the Spanish-language security community through Hackplayers.
