Proxmark3 - Getting Started

Now with installation complete I was able to run Proxmark.

Out of habit with the back and forth I had when flashing my Proxmark3, I check to see that the device is detect by running the command:

~$lsusb
This is used to list usb buses and get information about devices connected them, and as we can see on bus 001 Device 003 our Proxmark3 is listed.


I also then ensure that the port has be assigned by running 
~$sudo dmesg| grep -i usb
and can see it has been properly assigned to ttyAMC0


I can now change directories to /proxmark3 and attempt to launch it

~$cd proxmark3 
~$sudo ./client/proxmark3 /dev/ttyACM0
 


Above you can see information on the board as it loads and we can now perform a few tests. Although we have made a number of steps to ensure we are connected to the proxmark3, we can run a pin test to validate communication to the board.

proxmark3>hw ping 
Ping successful


Next we should run a hardware tune to test the tuning of the antennas for transmitting and receiving

~$hw tune 



Above you can see the test came back with the High Frequency(HF) and Low Frequency (LF) and while I do not have a GUI added to the build, we can see the values are accurate to the device frequency requirement and specifications.

The only RFID's I have to play with at this time are some HF cards that came with the Proxmark3. So to test this I check 'help' and see that I can do a High Frequency Search.

~$hf search


You can see a failed search attempt in the image above and is present because I didn't have an RFID near the antenna when I ran the command. Running again was successful and the UID can information can be seen.

With this data, we can see that the card has been identified as a MIFARE Classic 1K. Refering to official Proxmark3 Command Dump ( a reference guide I've spent a bit of time on) we can refer to the high frequency MIFARE commands on how to write.

Now we can try another basic command of applying a UID to another card.

~$hf mf csetuid 1e45ae7


Success! I can read and write values to HF MIFARE cards.









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