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Unknown card with backdoor, please report details! #2945

@Cyl0nius

Description

@Cyl0nius

No access to discord, so i post it here ...

Using this:

[usb] pm3 --> hw version

[ Proxmark3 RFID instrument ]

[ Client ]
Iceman/master/v4.18994-552-g325376d7e-suspect 2024-11-21 20:36:26 a3319015f
compiled with............. MinGW-w64 13.2.0
platform.................. Windows (64b) / x86_64
Readline support.......... present
QT GUI support............ present
native BT support......... absent
Python script support..... absent
Python SWIG support....... absent
Lua script support........ present ( 5.4.6 )
Lua SWIG support.......... present

[ Proxmark3 ]
firmware.................. PM3 GENERIC

[ ARM ]
bootrom: Iceman/master/v4.18994-552-g325376d7e-suspect 2024-11-21 20:35:52 a3319015f
os: Iceman/master/v4.18994-552-g325376d7e-suspect 2024-11-21 20:36:00 a3319015f
compiled with GCC 12.2.0

[ FPGA ]
fpga_pm3_hf.ncd image 2s30vq100 2024-02-03 15:12:20
fpga_pm3_lf.ncd image 2s30vq100 2024-02-03 15:12:10
fpga_pm3_felica.ncd image 2s30vq100 2024-02-03 15:12:41
fpga_pm3_hf_15.ncd image 2s30vq100 2024-02-03 15:12:31

[ Hardware ]
--= uC: AT91SAM7S512 Rev B
--= Embedded Processor: ARM7TDMI
--= Internal SRAM size: 64K bytes
--= Architecture identifier: AT91SAM7Sxx Series
--= Embedded flash memory 512K bytes ( 65% used )

[usb] pm3 -->

I got a card for a combined fingerprint/nfc terminal from hipsecurity.com:

[usb] pm3 --> hf mf info

[=] --- ISO14443-a Information ---------------------
[+] UID: EB 80 nn nn
[+] ATQA: 00 04
[+] SAK: 08 [2]

[=] --- Keys Information
[+] loaded 2 user keys
[+] loaded 61 hardcoded keys
[+] Sector 0 key A... FFFFFFFFFFFF
[+] Sector 0 key B... FFFFFFFFFFFF
[+] Sector 1 key A... FFFFFFFFFFFF
[+] Backdoor key..... A31667A8CEC1
[+] Block 0.... EB80nnnn1F08040090FAF10326420188

[=] --- Fingerprint
[+] Unknown card with backdoor, please report details!

[=] --- Magic Tag Information
[=] <n/a>

[=] --- PRNG Information
[+] Prng....... weak

[usb] pm3 -->

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