Create connection object for every auth request

Author: NeffIsBack

nxc/protocols/ssh.py

@@ -182,6 +182,7 @@ def check_if_admin_sudo(self):
                 return
 
     def plaintext_login(self, username, password, private_key=""):
+        self.create_conn_obj()
         self.username = username
         self.password = password
         stdout = None