[Perl] Cross Site Scripting Finder Script

########################################
#
# Author: darkjoker
#
# Site: http://xhacker.altervista.org
#
# Program: XSS Finder
#
# Sintax: perl xss_finder.pl []
#
# Copyright (C) 2008 darkjoker This program is free software: you can redistribute
# it and/or modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation, either version 3 of the License, or (at your option)
# any later version. This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Public License # GNU General for more details.
# You should have received a copy of the GNU General Public License along with this
# program. If not, see .
#
#
########################################

#!/usr/bin/perl
use IO::Socket;
use Net::FTP;
$host = shift or die "Usage: perl $0 []\n";
$user = shift or die "Usage: perl $0 []\n";
$pass = shift or die "Usage: perl $0 []\n";
$log_file = shift;
$ftp=Net::FTP->new($host) or die "Impossibile connettersi a $host.\n";
$ftp->login ($user, $pass) or die "Errore durante il login.\n";
@file = $ftp->ls ();
$cont4 = 0;
$log = "Scansione sito: $host\n";
while ($cont4 < scalar (@file)){
my $sock = new IO::Socket::INET (
PeerHost => $host,
PeerPort => "80",
Proto => "tcp",
) or die "Impossibile connettersi a $host: $!\n";
$page = "";
print $sock "get /@file[$cont4]\n\n";
while (<$sock>){
$page .= $_;
}
my (@variabili, @var_method);
$cont2 = 0;
$cont = 0;
while ($cont <= length ($page)){
if ($page =~ / $method = $2;
$page =~ /(.+?)<\/form>/;
$cont5 = 0;
$in_form = $1;
while ($cont5 <= length ($in_form)){
if ($in_form =~ /<(input|textarea).+?name.+?('|")(.+?)("|')/){
@variabili [$cont2] = $3;
@var_method [$cont2] = $method;
$in_form =~ s/<(input|textarea).+?name.+?('|")(.+?)("|')/done/;
}
$cont5++;
}
$page =~ s/ }
$cont++;
}
close ($sock);
$cont3 = 0;
while ($cont3 < scalar (@variabili)){
my $sock = new IO::Socket::INET(
PeerHost => $host,
PeerPort => "80",
Proto => "tcp",
) or die "Impossibile connettersi a $host.\n";
if (@var_method[$cont3] == "GET"){
print $sock "get /@file[$cont4]?@variabili[$cont3]=alert(1)\n\n";
}
elsif (@var_method[$cont3] == "POST"){
$var = "@variabili[$cont3]=alert(1)";
$to_send = "POST /pagina\n".
"Host: $host\n".
"Content-Type: application/x-www-form-urlencoded\n".
"Content-Length: ".length($var)."\n\n".
$var."\n\n";
print $sock $to_send;
}
else {
die "@var_method[$cont3]: Metodo sconosciuto.\n";
}
$page2 = "";
while (<$sock>){
$page2 .= $_;
}
if ($page2 =~ /alert$1$<\/script>/){
print "/@file[$cont4]: @variabili[$cont3] vulnerabile.\n";
$log .= "\n/@file[$cont4]: @variabili[$cont3] vulnerabile.";
}
$cont3++;
close ($sock);
}
$cont4++;
}
if ($log_file != ""){
open (LOG, $log_file) or die "Errore durante l'apertura del file: $!\n";
print LOG $log;
close ($log);
}

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