fix length check and add log

monkey/infection_monkey/exploit/drupal.py

@@ -114,7 +114,12 @@ class DrupalExploiter(WebRCE):
         """
         # We need 5 URLs for a "full-chain": check remote files, check architecture, drop monkey, chmod it and run it.
         num_urls_needed_for_full_exploit = 5
-        return len(self.vulnerable_urls) > num_urls_needed_for_full_exploit
+        num_available_urls = len(self.vulnerable_urls)
+        result = num_available_urls >= num_urls_needed_for_full_exploit
+        if not result:
+            LOG.info(f'{num_urls_needed_for_full_exploit} URLs are needed to fully exploit a Drupal server '
+                     f'but only {num_available_urls} found')
+        return result
 
 
 def is_response_cached(r: requests.Response) -> bool: