Clean output of mssql protocol

Author: mpgn

cme/protocols/mssql.py

@@ -214,7 +214,8 @@ def mssql_query(self):
         self.conn.sql_query(self.args.mssql_query)
         self.conn.printRows()
         for line in StringIO(self.conn._MSSQL__rowsPrinter.getMessage()).readlines():
-            self.logger.highlight(line.strip())
+            if line.strip() != '':
+                self.logger.highlight(line.strip())
         return self.conn._MSSQL__rowsPrinter.getMessage()
 
     @requires_admin
@@ -237,7 +238,8 @@ def execute(self, payload=None, get_output=False, methods=None):
             self.logger.success('Executed command via mssqlexec')
             buf = StringIO(output).readlines()
             for line in buf:
-                self.logger.highlight(line.strip())
+                if line.strip() != '':
+                    self.logger.highlight(line.strip())
 
         return output