---

🎯 Overview

NullSec RFID provides comprehensive tools for testing RFID and NFC-based access control systems. From low-frequency proximity cards to high-frequency smart cards, it covers the full spectrum of contactless security research.

⚡ Features

Feature	Description
Card Reader	Read and dump data from 125 kHz and 13.56 MHz cards
Card Cloner	Clone EM4100, HID ProxII, Indala, and Mifare cards
Key Cracker	Mifare Classic nested/darkside/hardnested attacks
NFC Emulator	Emulate cards for replay and relay testing
NDEF Parser	Parse and craft NFC Data Exchange Format messages
Access Auditor	Test physical access control configurations

🔧 Supported Cards

Card Type	Frequency	Read	Clone	Crack
EM4100	125 kHz	✅	✅	N/A
HID ProxII	125 kHz	✅	✅	N/A
Indala	125 kHz	✅	✅	N/A
Mifare Classic 1K/4K	13.56 MHz	✅	✅	✅
Mifare Ultralight	13.56 MHz	✅	✅	N/A
Mifare DESFire	13.56 MHz	✅	⚠️	⚠️
NTAG 213/215/216	13.56 MHz	✅	✅	N/A
iCLASS	13.56 MHz	✅	⚠️	⚠️

🚀 Quick Start

# Scan for nearby cards
nullsec-rfid scan

# Read a Mifare Classic card
nullsec-rfid read --type mifare -o card_dump.json

# Run key recovery attack
nullsec-rfid crack --method hardnested --known-key FFFFFFFFFFFF

# Clone card to blank
nullsec-rfid clone --source card_dump.json --target T55x7

# Parse NFC NDEF data
nullsec-rfid ndef --parse tag_data.bin

🔗 Related Projects

Project	Description
nullsec-sdr	Software-defined radio toolkit
nullsec-glitch	Voltage glitching attacks
nullsec-flipper-suite	Flipper Zero payloads (430+ files)
nullsec-linux	Security Linux distro (140+ tools)

⚠️ Legal

For authorized security testing only. Cloning access cards without authorization is illegal.

📜 License

MIT License — @bad-antics

---