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#1 2015-11-18 04:11:59

sllabgib
Contributor
Registered: 2015-10-22
Posts: 53

2.4.0 hf snoop not working?

I'm pretty new to the Proxmark - but been around wireless communications / etc programming and such for years (xbees / etc).   Wanted to get into NFC more for my home automation and of course, I cant leave it at just that, love to learn more and more ....

So, to my question - I'm trying to sniff some hf communication but having no luck, PM3 is running latest FW:

Prox/RFID mark3 RFID instrument         
bootrom: /-suspect 2015-11-04 22:15:34
os: /-suspect 2015-11-04 22:15:41
LF FPGA image built for 2s30vq100 on 2015/03/06 at 07:38:04
HF FPGA image built for 2s30vq100 on 2015/11/ 2 at  9: 8: 8
uC: AT91SAM7S512 Rev B         
Embedded Processor: ARM7TDMI         
Nonvolatile Program Memory Size: 512K bytes. Used: 171796 bytes (33%). Free: 352492 bytes (67%).         
Second Nonvolatile Program Memory Size: None         
Internal SRAM Size: 64K bytes         
Architecture Identifier: AT91SAM7Sxx Series         
Nonvolatile Program Memory Type: Embedded Flash Memory   

When I execute the hf snoop command, it doesn't capture anything and doesn't "lock", it just does this :

proxmark3> hf snoop
#db# Skipping first 0 sample pairs, Skipping 0 triggers.

proxmark3>

or:

proxmark3> hf snoop 10000 1
#db# Skipping first 10000 sample pairs, Skipping 1 triggers.

proxmark3>

proxmark3.exe is dated 11/4/2015 and should match the 2.4.0 on the PM3.

Antenna is good - but I'm just having no luck at all ....   I'm guessing I'm missing something easy - but just cant seem to figure it out ....   any ideas?

Thanks

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#2 2015-11-18 04:48:09

sllabgib
Contributor
Registered: 2015-10-22
Posts: 53

Re: 2.4.0 hf snoop not working?

Ok, figured it out - I thought it should sit there, but I just tried a snoop and placed the antenna between the reader and nfc tag and then pressed the PM3 button to stop and it collected data....  So I think that's all good now.

Is there a way to save the output from hf list 14a?

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#3 2015-11-18 04:52:13

sllabgib
Contributor
Registered: 2015-10-22
Posts: 53

Re: 2.4.0 hf snoop not working?

Ok, its in the log file ... sorry for the double replies to my own post - no edit feature in the forum???

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