Update APT_Terracota_Liudoor.yar

malware/APT_Terracota_Liudoor.yar

@@ -3,7 +3,7 @@
     This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.
 
 */
-rule liudoor
+rule liudoor : Backdoor
 {
 meta:
         author = "RSA FirstWatch"