obscure_urls.py

from django.conf.urls import include, url
from django.contrib import admin


ADMIN_URLS = [
    'wp-admin/', # wordpress
    'admin.php',
    'login.php',
    'phpmyadmin/',
    'admin/login.php',
    'joomla/administrator', # joomla
    'administrator', # joomla as well!
    'admin/users.php',
    'cgi-bin/login',
    'ghost/', # hip and cool
]

urlpatterns = []

for u in ADMIN_URLS:
    urlpatterns.append(
        url(r'^{}'.format(u), include(admin.site.urls))
    )