fix: Add first_seen to screenshot and lookyloo URL

lookyloo/lookyloo.py

@@ -1182,6 +1182,7 @@ class Lookyloo():
         screenshot: MISPAttribute = event.add_attribute('attachment', 'screenshot_landing_page.png',
                                                         data=self.get_screenshot(cache.uuid),
                                                         disable_correlation=True)  # type: ignore[assignment]
+        screenshot.first_seen = cache.timestamp
         # If the last object attached to tht event is a file, it is the rendered page
         if event.objects and event.objects[-1].name == 'file':
             event.objects[-1].add_reference(screenshot, 'rendered-as', 'Screenshot of the page')

lookyloo/modules/misp.py

@@ -107,6 +107,7 @@ class MISPs(Mapping, AbstractModule):  # type: ignore[type-arg]
         lookyloo_link: MISPAttribute = event.add_attribute('link', f'https://{public_domain}/tree/{cache.uuid}')  # type: ignore[assignment]
         if not is_public_instance:
             lookyloo_link.distribution = 0
+        lookyloo_link.first_seen = cache.timestamp
         initial_obj.add_reference(lookyloo_link, 'captured-by', 'Capture on lookyloo')
 
         redirects: list[URLObject] = []