Add requires_capture_bus attribute to BaseModule and passive modules

- BaseModule now has requires_capture_bus = False default
- All 17 passive modules set requires_capture_bus = True
- bigbrother.py imports CaptureBus from core.capture_bus
- Ready for Engine to instantiate and inject CaptureBus

modules/passive/kerberos_harvester.py

@@ -89,6 +89,7 @@ class KerberosHarvester(BaseModule):
         self._init_db()
 
         self._sub_queue = self._capture_bus.subscribe(
+    requires_capture_bus = True
             name=self.name, bpf_filter="port 88", queue_depth=5000
         )