ensure that default_name, dns_host_name, and dns_domain_name are set

Author: Brent Cook

lib/rex/proto/smb/client.rb

@@ -840,7 +840,6 @@ def session_setup_with_ntlmssp(user = '', pass = '', domain = '', name = nil, do
       flags: ntlmssp_flags
     )
 
-
     blob = @ntlm_client.init_context.serialize
 
     native_data = ''
@@ -901,6 +900,14 @@ def session_setup_with_ntlmssp(user = '', pass = '', domain = '', name = nil, do
     # Save the temporary UserID for use in the next request
     temp_user_id = ack['Payload']['SMB'].v['UserID']
 
+    blob_data = NTLM_UTILS.parse_ntlm_type_2_blob(blob)
+    #netbios name
+    self.default_name =  blob_data[:default_name] || ''
+    #dns name
+    self.dns_host_name =  blob_data[:dns_host_name] || ''
+    #dns domain
+    self.dns_domain_name =  blob_data[:dns_domain_name] || ''
+
     type3 = @ntlm_client.init_context([blob].pack('m'))
     type3_blob = type3.serialize
     self.signing_key = @ntlm_client.session_key