Add VHOST support to full_uri

lib/msf/core/exploit/http/client.rb

@@ -480,7 +480,7 @@ module Exploit::Remote::HttpClient
   end
 
   # Returns the complete URI as string including the scheme, port and host
-  def full_uri(custom_uri = nil)
+  def full_uri(custom_uri = nil, vhost_uri: false)
     uri_scheme = ssl ? 'https' : 'http'
 
     if (rport == 80 && !ssl) || (rport == 443 && ssl)
@@ -491,7 +491,9 @@ module Exploit::Remote::HttpClient
 
     uri = normalize_uri(custom_uri || target_uri.to_s)
 
-    if Rex::Socket.is_ipv6?(rhost)
+    if vhost_uri && datastore['VHOST']
+      uri_host = datastore['VHOST']
+    elsif Rex::Socket.is_ipv6?(rhost)
       uri_host = "[#{rhost}]"
     else
       uri_host = rhost