RFID NFC WITH ACR122U

SETUP

LibNFC

apt install libnfc5 libnfc-dev

or from scratch

git clone https://github.com/nfc-tools/libnfc.git
cd libnfc/
cp contrib/udev/93-pn53x.rules /lib/udev/rules.d/
apt install libusb-dev
./make_release.sh
#autoreconf -vis
./configure --with-drivers=all
make
make install
cd ../

Read your log and plug the ACR122U device, it gives

New USB device found, idVendor=072f, idProduct=2200, bcdDevice= 2.07
New USB device strings: Mfr=1, Product=2, SerialNumber=0
Product: ACR122U PICC Interface
Manufacturer: ACS

Now check with

nfc-list -v

DUMP & CRACK TAGS

WATCH THE STANDARD OUTPUT and verify that all (default) keys where found

mfoc -O guest.card
mfoc -O unknown.card
mfoc -O chinese.card

Now you can look closer to the content

hexdump -vC guest.card | less
hexdump -vC unknown.card | less
hexdump -vC chinese.card |less

CLONE UID

place original card

nfc-list -v

place chinese card, clone and re-check

nfc-list -v
nfc-mfsetuid xxxxxxxx
nfc-list

TODO

nfc-mfclassic -h

RESOURCES

setup

Using the ACS ACR122 NFC card reader under linux https://choffee.co.uk/posts/2015/01/nfc_reader_acr122_linux/

How to fix acr122’s and libnfc’s “Unable to claim USB interface” on Linux https://medium.com/@andv/how-to-fix-acr122s-and-libnfcs-unable-to-claim-usb-interface-on-kali-linux-932a34bb8e32

ACR122U NFC USB reader on Linux Mint https://oneguyoneblog.com/2016/11/02/acr122u-nfc-usb-reader-linux-mint/

Touchatag RFID Reader https://wiki.archlinux.org/index.php/Touchatag_RFID_Reader

Drivers for ACR122U https://www.acs.com.hk/en/driver/3/acr122u-usb-nfc-reader/

Part 1: RFID Kit https://www.fuzzysecurity.com/tutorials/rfid/1.html

alternative

A simple tool to read/write Mifare RFID tags with an ACR122U device https://github.com/mdeverdelhan/ACR122U-reader-writer

dump & crack

nfc-tools/mfoc https://github.com/nfc-tools/mfoc

jellyjellyrobot/osx_mifare_install.sh https://gist.github.com/jellyjellyrobot/313b99f9f6534f10dafd9fa9d9a9984f

ACR122U, mfcuk, and mfoc: Cracking MIFARE Classic on Arch Linux https://linuskarlsson.se/blog/acr122u-mfcuk-and-mfoc-cracking-mifare-classic-on-arch-linux/

Cracking Mifare Classic NFC cards using the hardnested attack https://medium.com/@decrocksam/cracking-mifare-classic-nfc-cards-using-the-hardnested-attack-506aab3ea305

How to hack Mifare Classic NFC cards https://medium.com/@lp1/how-to-hack-mifare-classic-nfc-cards-69c8edcbe1e7

How to Crack Mifare Classic Cards https://firefart.at/post/how-to-crack-mifare-classic-cards/

Cloning a MIFARE Classic 1k https://mathieu.daitauha.fr/nfc-mifare-classic-1k/

gistfile1.md https://gist.github.com/alphazo/3303282

cards

Know your magic cards https://lab401.com/blogs/academy/know-your-magic-cards

[WIP] List of uid changeable cards http://www.proxmark.org/forum/viewtopic.php?id=6545