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#1 2018-08-24 01:11:44

Registered: 2018-05-13
Posts: 49

How to do JCOP door card?

I moved to a new dorm with this new black thin door keyfob.

proxmark3> hf 14a reader
ATQA : 03 44         
UID : 24 XX XX XX XX XX X0           
SAK : 20 [1]         
MANUFACTURER : NXP Semiconductors Germany         
TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41         
proprietary non iso14443-4 card found, RATS not supported         
Answers to chinese magic backdoor commands: NO   

is this Desfire chip? is it possible to clone this by snooping communication between the reader and tag?


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