]> git.zerfleddert.de Git - proxmark3-svn/commitdiff
ADD: 'script run hard_autopwn' - a lua script which should run hardnested attack...
authoriceman1001 <iceman@iuse.se>
Tue, 24 Jan 2017 23:23:13 +0000 (00:23 +0100)
committericeman1001 <iceman@iuse.se>
Tue, 24 Jan 2017 23:23:13 +0000 (00:23 +0100)
client/scripts/hard_autopwn.lua [new file with mode: 0644]

diff --git a/client/scripts/hard_autopwn.lua b/client/scripts/hard_autopwn.lua
new file mode 100644 (file)
index 0000000..1ba8b51
--- /dev/null
@@ -0,0 +1,198 @@
+local cmds = require('commands')
+local getopt = require('getopt')
+local utils = require('utils')
+local lib14a = require('read14a')
+
+example = "script iterates over all possible sectors for a tag and runs hardnested attack against them to collect the keys."
+author = "Iceman"
+desc =
+[[
+This script iterates over all possible sectors for a tag and runs hardnested attack against them to collect the keys.
+
+Arguments:
+       -k              Known key, 6 bytes (12 hex digits)
+       -a              key A
+       -b              key B
+       -s              Blocknumber for known key
+Examples : 
+       script hard -k 112233445566
+]]
+
+local numBlocks = 64
+local numSectors = 16
+local DEBUG = TRUE
+--- 
+-- A debug printout-function
+function dbg(args)
+       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
+function oops(err)
+       print("ERROR: ",err)
+       return nil,err
+end
+--- 
+-- Usage help
+function help()
+       print(desc)
+       print("Example usage")
+       print(example)
+end
+--
+-- Exit message
+function ExitMsg(msg)
+       print( string.rep('--',20) )
+       print( string.rep('--',20) )
+       print(msg)
+       print()
+end
+-- A little helper to place an item first in the list
+local function placeFirst(akey, list)
+       akey  = akey:lower()
+       if list[1] == akey then 
+               -- Already at pole position
+               return list
+       end
+       local result = {akey}
+       --print(("Putting '%s' first"):format(akey))
+       for i,v in ipairs(list) do
+               if v ~= akey then 
+                       result[#result+1] = v
+               end
+       end
+       return result
+end
+-- A function to display the results
+-- TODO: iceman 2016,  still screws up output when a key is not found.
+local function displayresults(results)
+       local sector, blockNo, keyA, keyB, succA, succB, _
+
+       print("|---|----------------|---|----------------|---|")
+       print("|sec|key A           |res|key B           |res|")
+       print("|---|----------------|---|----------------|---|")
+
+       for sector,_ in pairs(results) do
+               succA, succB, keyA, keyB = unpack(_)
+               print(("|%03d|  %s  | %s |  %s  | %s |"):format(sector, keyA, succA, keyB, succB))
+       end
+       print("|---|----------------|---|----------------|---|")
+
+end
+
+--[[
+The mifare Classic 1k card has 16 sectors of 4 data blocks each. 
+The first 32 sectors of a mifare Classic 4k card consists of 4 data blocks and the remaining
+8 sectors consist of 16 data blocks. 
+--]]
+local function GetTargetBlockNo(sector)
+       local trgblockno = sector * 4 - 1 
+       if sector > 32 then
+               trgblockno = 32 * 4 + (sector-32) * 16 -1
+       end
+       return ("%02x"):format(trgblockno)
+end
+
+--- 
+-- The main entry point
+function main(args)
+
+       local blockno = '00'
+       local keytype
+       local key = 'fc00018778f7'
+       local trgkey = ''
+       local numSectors = 16   
+       
+       -- Read the parameters
+       for o, a in getopt.getopt(args, 'hk:abs:') do
+               if o == "h" then return help() end
+               if o == "k" then key = a end
+               if o == "a" then keytype = '0' end
+               if o == "b" then keytype = '1' end
+               if o == "s" then blockno = a end
+       end
+
+       keytype = keytype or '0'
+       
+       -- Turn off Debug
+       local cmdSetDbgOff = "hf mf dbg 0"
+       core.console( cmdSetDbgOff) 
+       -- identify tag
+       result, err = lib14a.read1443a(false)
+       if not result then
+               return oops(err)
+       end
+       core.clearCommandBuffer()
+       
+       -- Show tag info
+       print((' Found tag %s'):format(result.name))
+       
+       if 0x18 == result.sak then --NXP MIFARE Classic 4k | Plus 4k
+               -- IFARE Classic 4K offers 4096 bytes split into forty sectors, 
+               -- of which 32 are same size as in the 1K with eight more that are quadruple size sectors. 
+               numSectors = 40
+       elseif 0x08 == result.sak then -- NXP MIFARE CLASSIC 1k | Plus 2k
+               -- 1K offers 1024 bytes of data storage, split into 16 sector
+               numSectors = 16
+       elseif 0x09 == result.sak then -- NXP MIFARE Mini 0.3k
+               -- MIFARE Classic mini offers 320 bytes split into five sectors.
+               numSectors = 5
+       elseif  0x10 == result.sak then-- "NXP MIFARE Plus 2k"
+               numSectors = 32
+       else
+               print("I don't know how many sectors there are on this type of card, defaulting to 16")
+       end
+
+       result = {}
+       for sector=1,numSectors do
+               
+               local trgblockno = GetTargetBlockNo(sector)
+               local succA = 1
+               local succB = 1
+               local keyA = ''
+               local keyB = ''
+               
+               for targetkeytype=0,1 do
+                       
+                       -- skip first sector, KeyA...  
+                       -- or actually blockNo and keytype
+                       -- just try default for now
+                       if sector == 1 and targetkeytype == 0 then
+                               keyA = key
+                       else
+                               local err, foundkey = core.hardnested(blockno, keytype, key, trgblockno, tostring(targetkeytype), trgkey, 0,0,0,0)
+                               foundkey = foundkey or ""
+                               
+                               if targetkeytype == 0 then
+                                       if err == nil or err > 0 then succA = 0 else keyA = foundkey end
+                               else
+                                       if err == nil or err > 0 then succB = 0 else keyB = foundkey end
+                               end
+                       end
+
+                       -- clearing BigBuff between hardnested executions seems to make it more stable.
+                       core.clearCommandBuffer()
+                       core.console('data buffclear')
+               end
+               -- Check if user aborted
+               if core.ukbhit() then
+                       print("Aborted by user")
+                       break
+               end
+               -- log
+               result[sector] = { succA, succB, utils.ConvertAsciiToHex(keyA), utils.ConvertAsciiToHex(keyB) }
+       end
+       displayresults(result)
+end
+
+main(args)
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