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https://github.com/RfidResearchGroup/proxmark3.git
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add: 'script run brutesim' - new script to show simple bruteforce by incrementing cardnumber against different readers. Both LF & HF. @kenzycarey
(adjusted to fit into same script structure like the rest in iceman fork)
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client/scripts/brutesim.lua
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297
client/scripts/brutesim.lua
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local getopt = require('getopt')
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copyright = ''
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author = 'Kenzy Carey'
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version = ''
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desc = [[
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.-----------------------------------------------------------------.
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/ .-. .-. \
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| / \ BruteSim / \ |
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| |\_. | (bruteforce simulation for multiple tags) | /| |
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|\| | /| by |\ | |/|
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| `---' | Kenzy Carey | `---' |
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| | | |
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| |-----------------------------------------------------| |
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\ | | /
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\ / \ /
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`---' `---'
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*SUPPORTED TAGS: pyramid, awid, fdx, jablotron, noralsy, presco, visa2000, 14a, hid
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This script uses the proxmark3 implementations of simulation to bruteforce given ranges of id.
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It uses both LF and HF simulations.
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-- Author note
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-- I wrote this as i was doing a PACS audit. This is far from complete, but is easily expandable.
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-- The idea was based on proxbrute, but i needed more options, and support for different readers.
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-- I dont know LUA, so I used Brian Redbeards lf_bulk_program.lua script as a starting point, sorry if its kludgy.
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]]
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example = [[
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-- (the above example would bruteforce pyramid tags, starting at 10:1000, ending at 10:991, and waiting 1 second between each card)
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script run brutesim -r pyramid -f 10 -b 1000 -c 10 -t 1 -d down
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]]
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usage = [[
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script run brutesim -r rfid_tag -f facility_code -b base_card_number -c count -t timeout -d direction
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Arguments:
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-h this help
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-r *see below RFID Tag: the RFID tag to emulate
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pyramid
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awid
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fdx
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jablotron
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noralsy
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presco
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visa2000
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14a
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hid
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-f 0-999 facility code (dfx: country id, 14a: type)
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-b 0-65535 base card number to start from
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-c 1-65536 number of cards to try
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-t .0-99999, pause timeout between cards (use the word 'pause' to wait for user input)
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-d up, down direction to move through card numbers
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]]
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local DEBUG = true
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local bor = bit32.bor
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local bxor = bit32.bxor
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local lshift = bit32.lshift
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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 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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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(version)
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print(desc)
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print("Example usage")
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print(example)
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end
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--
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-- Exit message
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function exitMsg(msg)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print(msg)
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print()
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end
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--
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-- Check if a string is empty
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local function isempty(s)
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return s == nil or s == ''
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end
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-- The code below was blatantly stolen from Brian Redbeard's lf_bulk_program.lua script
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local function toBits(num, bits)
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bits = bits or math.max(1, select(2, math.frexp(num)))
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local t = {}
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for b = bits, 1, -1 do
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t[b] = math.fmod(num, 2)
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num = math.floor((num - t[b]) / 2)
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end
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return table.concat(t)
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end
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--
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-- check for parity in bit-string.
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local function evenparity(s)
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local _, count = string.gsub(s, "1", "")
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local p = count % 2
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if (p == 0) then
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return false
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end
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return true
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end
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--
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-- calcs hex for HID
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local function cardHex(i, f)
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fac = lshift(f, 16)
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id = bor(i, fac)
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stream = toBits(id, 26)
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high = evenparity(string.sub(stream, 0, 12)) and 1 or 0
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low = not evenparity(string.sub(stream, 13)) and 1 or 0
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bits = bor(lshift(id, 1), low)
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bits = bor(bits, lshift(high, 25))
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preamble = bor(0, lshift(1, 5))
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bits = bor(bits, lshift(1, 26))
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return ("%04x%08x"):format(preamble, bits)
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end
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--
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--
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local 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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for o, a in getopt.getopt(args, 'r:f:b:c:t:d:h') do -- Populate command like arguments
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if o == 'r' then rfidtag = a end
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if o == 'f' then facility = a end
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if o == 'b' then baseid = a end
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if o == 'c' then count = a end
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if o == 't' then timeout = a end
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if o == 'd' then direction = a end
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if o == 'h' then return print(usage) end
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end
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-- Check to see if -r argument was passed
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if isempty(rfidtag) then
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print("You must supply the flag -r (rfid tag)")
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print(usage)
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return
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end
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-- Check what RFID Tag we are using
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if rfidtag == 'pyramid' then
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consolecommand = 'lf pyramid sim' -- set the console command
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rfidtagname = 'Farpointe/Pyramid' -- set the display name
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facilityrequired = 1 -- set if FC is required
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elseif rfidtag == 'awid' then
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consolecommand = 'lf awid sim'
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rfidtagname = 'AWID'
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facilityrequired = 1
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elseif rfidtag == 'fdx' then -- I'm not sure why you would need to bruteforce this ¯\_(ツ)_/¯
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consolecommand = 'lf fdx sim'
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rfidtagname = 'FDX-B'
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facilityrequired = 1
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elseif rfidtag == 'jablotron' then
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consolecommand = 'lf jablotron sim'
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rfidtagname = 'Jablotron'
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facilityrequired = 0
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elseif rfidtag == 'noralsy' then
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consolecommand = 'lf noralsy sim'
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rfidtagname = 'Noralsy'
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facilityrequired = 0
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elseif rfidtag == 'presco' then
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consolecommand = 'lf presco sim d'
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rfidtagname = 'Presco'
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facilityrequired = 0
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elseif rfidtag == 'visa2000' then
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consolecommand = 'lf visa2000 sim'
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rfidtagname = 'Visa2000'
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facilityrequired = 0
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elseif rfidtag == '14a' then
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consolecommand = 'hf 14a sim'
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if facility == "1" then rfidtagname = 'MIFARE Classic' -- Here we use the -f option to read the 14a type instead of the facility code
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elseif facility == "2" then rfidtagname = 'MIFARE Ultralight'
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elseif facility == "3" then rfidtagname = 'MIFARE Desfire'
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elseif facility == "4" then rfidtagname = 'ISO/IEC 14443-4'
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elseif facility == "5" then rfidtagname = 'MIFARE Tnp3xxx'
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else
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print("Invalid 14a type (-f) supplied. Must be 1-5")
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print(usage)
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return
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end
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facilityrequired = 0 -- Disable the FC required check, as we used it for type instead of FC
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elseif rfidtag == 'hid' then
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consolecommand = 'lf hid sim'
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rfidtagname = 'HID'
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facilityrequired = 1
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else -- Display error and exit out if bad RFID tag was supplied
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print("Invalid rfid tag (-r) supplied")
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print(usage)
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return
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end
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if isempty(baseid) then -- Display error and exit out if no starting id is set
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print("You must supply the flag -b (base id)")
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print(usage)
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return
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end
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if isempty(count) then -- Display error and exit out of no count is set
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print("You must supply the flag -c (count)")
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print(usage)
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return
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end
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if facilityrequired == 1 then -- If FC is required
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facilitymessage = " - Facility Code: " -- Add FC to status message
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if isempty(facility) then -- If FC was left blank, display warning and set FC to 0
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print("Using 0 for the facility code as -f was not supplied")
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facility = 0
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end
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else -- If FC is not required
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facility = "" -- Clear FC
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facilitymessage = "" -- Remove FC from status message
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end
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if isempty(timeout) then -- If timeout was not supplied, show warning and set timeout to 0
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print("Using 0 for the timeout as -t was not supplied")
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timeout = 0
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end
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if isempty(direction) then -- If direction was not supplied, show warning and set direction to down
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print("Using down for direction as -d was not supplied")
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direction = 'down'
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end
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if tonumber(count) < 1 then
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print("Count -c must be set to 1 or higher")
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return
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else
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count = count -1 -- Make our count accurate by removing 1, because math
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end
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if direction == 'down' then -- If counting down, set up our for loop to count down
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endid = baseid - count
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fordirection = -1
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elseif direction == 'up' then -- If counting up, set our for loop to count up
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endid = baseid + count
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fordirection = 1
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else -- If invalid direction was set, show warning and set up our for loop to count down
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print("Invalid direction (-d) supplied, using down")
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endid = baseid - count
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fordirection = -1
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end
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-- display status message
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print("")
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print("BruteForcing "..rfidtagname..""..facilitymessage..""..facility.." - CardNumber Start: "..baseid.." - CardNumber End: "..endid.." - TimeOut: "..timeout)
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print("")
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-- loop through for each count (-c)
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for cardnum = baseid, endid, fordirection do
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-- If rfid tag is set to HID, convert card to HEX using the stolen code above
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if rfidtag == 'hid' then cardnum = cardHex(cardnum, facility) end
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-- send command to proxmark
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core.console(consolecommand..' '..facility..' '..cardnum)
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if timeout == 'pause' then
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print("Press enter to continue ...")
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io.read()
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else
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os.execute("sleep "..timeout.."")
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end
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end
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-- ping the proxmark to stop emulation and see if its still responding
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core.console('hw ping')
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end
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main(args)
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