mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-21 07:46:12 +08:00
147 lines
3.5 KiB
Lua
147 lines
3.5 KiB
Lua
local getopt = require('getopt')
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local utils = require('utils')
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copyright = ''
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author = "Iceman"
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version = 'v1.0.1'
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desc = [[
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This script tries to set UID on a mifare Ultralight magic card which either
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- answers to chinese backdoor commands
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- brickable magic tag (must write in one session)
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]]
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example = [[
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-- backdoor magic tag
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script run ul_uid -u 11223344556677
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-- brickable magic tag
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script run ul_uid -b -u 11223344556677
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]]
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usage = [[
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script run ul_uid -h -b -u <uid>
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Arguments:
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-h : this help
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-u <UID> : UID (14 hexsymbols)
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-b : write to brickable magic tag
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]]
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local DEBUG = true
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local bxor = bit32.bxor
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---
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-- A debug printout-function
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local function dbg(args)
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if not DEBUG then return end
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if type(args) == 'table' then
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local i = 1
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while args[i] do
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dbg(args[i])
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i = i+1
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end
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else
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print('###', args)
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end
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end
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---
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-- This is only meant to be used when errors occur
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local function oops(err)
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print('ERROR:', err)
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core.clearCommandBuffer()
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return nil, err
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end
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---
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-- Usage help
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local function help()
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print(copyright)
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print(author)
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print(version)
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print(desc)
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print('Example usage')
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print(example)
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print(usage)
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end
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--
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--- Set UID on magic command enabled
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function magicUID(b0, b1, b2)
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print('Using backdoor Magic tag function')
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-- write block 0
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core.console('hf 14a raw -p -a -b 7 40')
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core.console('hf 14a raw -p -a 43')
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core.console('hf 14a raw -c -a A200'..b0)
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-- write block 1
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core.console('hf 14a raw -p -a -b 7 40')
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core.console('hf 14a raw -p -a 43')
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core.console('hf 14a raw -c -a A201'..b1)
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-- write block 2
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core.console('hf 14a raw -p -a -b 7 40')
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core.console('hf 14a raw -p -a 43')
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core.console('hf 14a raw -c -a A202'..b2)
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end
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--
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--- Set UID on magic but brickable
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function brickableUID(b0, b1, b2)
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print('Using BRICKABLE Magic tag function')
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core.console('hf 14a raw -p -s -3')
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-- write block 0
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core.console('hf 14a raw -p -c A200'..b0)
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-- write block 1
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core.console('hf 14a raw -p -c A201'..b1)
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-- write block 2
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core.console('hf 14a raw -p -c A202'..b2)
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end
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---
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-- The main entry point
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function main(args)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print()
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local uid = '04112233445566'
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local tagtype = 1
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-- Read the parameters
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for o, a in getopt.getopt(args, 'hu:b') do
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if o == 'h' then return help() end
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if o == 'u' then uid = a end
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if o == 'b' then tagtype = 2 end
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end
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-- uid string checks
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if uid == nil then return oops('empty uid string') end
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if #uid == 0 then return oops('empty uid string') end
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if #uid ~= 14 then return oops('uid wrong length. Should be 7 hex bytes') end
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local uidbytes = utils.ConvertHexToBytes(uid)
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local bcc1 = bxor(0x88, uidbytes[1], uidbytes[2], uidbytes[3])
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local bcc2 = bxor(uidbytes[4], uidbytes[5], uidbytes[6], uidbytes[7])
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local block0 = string.format('%02X%02X%02X%02X', uidbytes[1], uidbytes[2], uidbytes[3], bcc1)
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local block1 = string.format('%02X%02X%02X%02X', uidbytes[4], uidbytes[5], uidbytes[6], uidbytes[7])
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local block2 = string.format('%02X%02X%02X%02X', bcc2, 0x48, 0x00, 0x00)
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print('new UID | '..uid)
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core.clearCommandBuffer()
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if tagtype == 2 then
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brickableUID(block0, block1, block2)
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else
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magicUID(block0, block1, block2)
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end
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--halt
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core.console('hf 14a raw -c -a 5000')
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end
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main(args)
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