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#1 2019-11-20 18:53:16

sdr_herrmanns
Contributor
Registered: 2017-11-11
Posts: 28

how to change just the UID with this 7 bytes card?

hi, just to be sure not doing anything wrong.
i got this card here on my table:

[usb] pm3 --> hf search
[=] Checking for known tags...
         
[|] Searching for ISO14443-A tag... UID : 00 00 00 00 00 00 00           
ATQA : 00 44         
SAK : 08 [2]         
TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1 | 1k Ev1         
MANUFACTURER : no tag-info available         
[=] proprietary non iso14443-4 card found, RATS not supported         
[+] Magic capabilities : Gen 2 / CUID           
[+] Prng detection: WEAK           
         
[+] Valid ISO14443-A tag  found

and i dont know exactly how i change the UID. is there anyone who could help? (i am a bit confused about alle the different type of cards around)

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#2 2019-11-20 19:43:34

iceman
Administrator
Registered: 2013-04-25
Posts: 9,497
Website

Re: how to change just the UID with this 7 bytes card?

[+] Magic capabilities : Gen 2 / CUID     you use a normal write command (hf mf wrbl) .  Make sure you write a valid data block otherwise you might perma brick your card.

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#3 2019-11-20 22:18:26

sdr_herrmanns
Contributor
Registered: 2017-11-11
Posts: 28

Re: how to change just the UID with this 7 bytes card?

terrible to read but thx ice

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