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#1 2021-10-04 09:46:30

yugnat
Contributor
From: France
Registered: 2017-08-23
Posts: 18

New LF Tag

Hi everyone,
i have this new tag and my PM3 can't identify his type maybe T55XX :

newTag

He cames from Italy, here is the reader :

pag-easy3.jpg

pag-easy5.jpg

  ██████╗ ███╗   ███╗█████╗
  ██╔══██╗████╗ ████║╚═══██╗
  ██████╔╝██╔████╔██║ ████╔╝
  ██╔═══╝ ██║╚██╔╝██║ ╚══██╗
  ██║     ██║ ╚═╝ ██║█████╔╝       iceman@icesql.net
  ╚═╝     ╚═╝     ╚═╝╚════╝    bleeding edge

  https://github.com/rfidresearchgroup/proxmark3/


[ Proxmark3 RFID instrument ]

[ CLIENT ]
  client: RRG/Iceman/master/v4.9237-779-gaff43995 2020-08-13 12:32:50
  compiled with MinGW-w64 10.2.0 OS:Windows (64b) ARCH:x86_64

[ PROXMARK3 ]

[ ARM ]
  bootrom: iceman/master/ice_v3.1.0-1072-gfbc42bd7 2019-01-28 12:48:24
       os: RRG/Iceman/master/v4.9237-779-gaff43995 2020-08-13 12:32:41
  compiled with GCC 9.2.1 20191025 (release) [ARM/arm-9-branch revision 277599]

[ FPGA ]
  LF image built for 2s30vq100 on 2020-08-13 at 12:27:29
  HF image built for 2s30vq100 on 2020-08-13 at 12:27:43
  HF FeliCa image built for 2s30vq100 on 2020-08-13 at 12:27:57

[ Hardware ]
  --= uC: AT91SAM7S512 Rev B
  --= Embedded Processor: ARM7TDMI
  --= Nonvolatile Program Memory Size: 512K bytes, Used: 254992 bytes (49%) Free: 269296 bytes (51%)
  --= Second Nonvolatile Program Memory Size: None
  --= Internal SRAM Size: 64K bytes
  --= Architecture Identifier: AT91SAM7Sxx Series
  --= Nonvolatile Program Memory Type: Embedded Flash Memory


[usb] pm3 --> hw tune
[=] Measuring antenna characteristics, please wait...
[-]  9
[=] ---------- LF Antenna ----------
[+] LF antenna: 41.52 V - 125.00 kHz
[+] LF antenna: 17.58 V - 134.83 kHz
[+] LF optimal: 42.69 V - 123.71 kHz
[+] LF antenna is OK
[=] ---------- HF Antenna ----------
[+] HF antenna: 28.60 V - 13.56 MHz
[+] HF antenna is OK

[+] Displaying LF tuning graph. Divisor 88 is 134.83 kHz, 95 is 125.00 kHz.

[usb] pm3 --> hf search
[-] Searching for FeliCa tag...[=] You can cancel this operation by pressing the pm3 button
[-]No known/supported 13.56 MHz tags found
[usb] pm3 -->
[usb] pm3 --> lf search
[=] NOTE: some demods output possible binary
[=] if it finds something that looks like a tag
[=] False Positives ARE possible
[=]
[=] Checking for known tags...
[=]
[-] No known 125/134 kHz tags found!
[+] Chipset detection: T55xx

22lgEju.png

[usb] pm3 --> lf t55xx detect
[!] Could not detect modulation automatically. Try setting it manually with 'lf t55xx config'
[usb] pm3 -->

I dont know how analyse tags.
Any ideas ?

Last edited by yugnat (2021-10-04 14:55:42)

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#2 2021-10-04 11:51:10

fazer
Contributor
Registered: 2019-03-02
Posts: 141

Re: New LF Tag

Hi Hugnat, look http://www.proxmark.org/forum/viewtopic.php?id=9670
Many thanks to Iceman for video.

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#3 2021-10-04 14:30:03

yugnat
Contributor
From: France
Registered: 2017-08-23
Posts: 18

Re: New LF Tag

I don't have a reader just PM3 and tags.

[usb] pm3 --> lf t55xx config
[=] --- current t55xx config --------------------------
[=]  Chip type......... T55x7
[=]  Modulation........ FSK
[=]  Bit rate.......... 0 - RF/8
[=]  Inverted.......... No
[=]  Offset............ 0
[=]  Seq. terminator... No
[=]  Block0............ 000F0000 (user set)
[=]  Downlink mode..... default/fixed bit length
[=]  Password set...... No

[usb] pm3 --> lf t55xx info

[=] --- T55x7 Configuration & Information ---------
[=]  Safer key                 : 0
[=]  reserved                  : 0
[=]  Data bit rate             : 0 - RF/8
[=]  eXtended mode             : No
[=]  Modulation                : 0 - DIRECT (ASK/NRZ)
[=]  PSK clock frequency       : 0 - RF/2
[=]  AOR - Answer on Request   : No
[=]  OTP - One Time Pad        : No
[=]  Max block                 : 0
[=]  Password mode             : No
[=]  Sequence Terminator       : No
[=]  Fast Write                : No
[=]  Inverse data              : No
[=]  POR-Delay                 : No
[=] -------------------------------------------------------------
[=]  Raw Data - Page 0, block 0
[=]  00000000 - 00000000000000000000000000000000
[=] --- Fingerprint ------------

Last edited by yugnat (2021-10-04 14:34:29)

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#4 2021-10-04 16:49:36

iceman
Administrator
Registered: 2013-04-25
Posts: 9,486
Website

Re: New LF Tag

Your pm3 client/fw is quite old.
try updating and then

lf read
data save -f lf_yugnat_it_unk

and share the saved file here or on discord

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#5 2021-10-04 17:57:02

yugnat
Contributor
From: France
Registered: 2017-08-23
Posts: 18

Re: New LF Tag

Update is done smile

 [ ARM ]
  bootrom: RRG/Iceman/master/v4.14434-15-gf4209bd1d 2021-09-30 13:04:55
       os: RRG/Iceman/master/v4.14434-15-gf4209bd1d 2021-09-30 13:05:02
  compiled with GCC 10.1.0

 [ FPGA ]
  LF image built for 2s30vq100 on 2020-07-08 at 23:08:07
  HF image built for 2s30vq100 on 2020-07-08 at 23:08:19
  HF FeliCa image built for 2s30vq100 on 2020-07-08 at 23:08:30

Here is the file :

https://mega.nz/file/ZIsCyAwY#uS5y8bUxT … hbJD0uVuV8

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#6 2022-01-30 20:35:20

jamesmat
Contributor
Registered: 2019-09-23
Posts: 8

Re: New LF Tag

I dont know whether you had any luck after all with the tag.
I really hope you do because it is the SAME tag as the one I was referring to in my posting with subject "Unknown tag and it might be unique (!)" at:  http://proxmark.org/forum/viewtopic.php?id=6875

In my original posting I said that "The tags are extremely popular in the Mediterranean countries!  (see relevant photos; link below)".
Your "Gigieffe" tag is made by a defunct Italian company named "OTR". Please read my posting for more information

Last edited by jamesmat (2022-01-30 20:38:09)

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