Ejemplo n.º 1
0
    def __init__(self,
                 datastore=None,
                 redis=None,
                 redis_persist=None,
                 logger=None):
        self.config = forge.get_config()

        self.redis = redis or get_client(
            host=self.config.core.redis.nonpersistent.host,
            port=self.config.core.redis.nonpersistent.port,
            private=False,
        )

        redis_persist = redis_persist or get_client(
            host=self.config.core.redis.persistent.host,
            port=self.config.core.redis.persistent.port,
            private=False,
        )

        self.timeout_watcher = WatcherClient(redis_persist)

        self.submission_queue = NamedQueue(SUBMISSION_QUEUE, self.redis)
        self.file_queue = NamedQueue(FILE_QUEUE, self.redis)
        self.ds = datastore or forge.get_datastore(self.config)
        self.log = logger or logging.getLogger(
            "assemblyline.dispatching.client")
        self.results = datastore.result
        self.errors = datastore.error
        self.files = datastore.file
        self.active_submissions = ExpiringHash(DISPATCH_TASK_HASH,
                                               host=redis_persist)
        self.running_tasks = ExpiringHash(DISPATCH_RUNNING_TASK_HASH,
                                          host=self.redis)
        self.service_data = cast(Dict[str, Service],
                                 CachedObject(self._get_services))
Ejemplo n.º 2
0
 def __init__(self, datastore: AssemblylineDatastore, config: Config,
              redis):
     self.datastore = datastore
     self.config = config
     self._services: dict[str, Service] = {}
     self.services = cast(Dict[str, Service],
                          CachedObject(self._get_services))
     self.service_stage = get_service_stage_hash(redis)
Ejemplo n.º 3
0
    def __init__(self, datastore=None, filestore=None):
        super().__init__('assemblyline.randomservice')
        self.config = forge.get_config()
        self.datastore = datastore or forge.get_datastore()
        self.filestore = filestore or forge.get_filestore()
        self.client_id = get_random_id()
        self.service_state_hash = ExpiringHash(SERVICE_STATE_HASH, ttl=30 * 60)

        self.counters = {
            n: MetricsFactory('service', Metrics, name=n, config=self.config)
            for n in self.datastore.service_delta.keys()
        }
        self.queues = [
            forge.get_service_queue(name)
            for name in self.datastore.service_delta.keys()
        ]
        self.dispatch_client = DispatchClient(self.datastore)
        self.service_info = CachedObject(self.datastore.list_all_services,
                                         kwargs={'as_obj': False})
Ejemplo n.º 4
0
 def __init__(self, datastore=None):
     self.datastore = datastore
     self.safelist = CachedObject(get_safelist,
                                  kwargs={'ds': self.datastore},
                                  refresh=300) if datastore else {}
Ejemplo n.º 5
0
class HeuristicHandler():
    def __init__(self, datastore=None):
        self.datastore = datastore
        self.safelist = CachedObject(get_safelist,
                                     kwargs={'ds': self.datastore},
                                     refresh=300) if datastore else {}

    def service_heuristic_to_result_heuristic(self,
                                              srv_heuristic,
                                              heuristics,
                                              zerioize_on_sig_safe=True):
        heur_id = srv_heuristic['heur_id']
        attack_ids = srv_heuristic.pop('attack_ids', [])
        signatures = srv_heuristic.pop('signatures', {})
        frequency = srv_heuristic.pop('frequency', 0)
        score_map = srv_heuristic.pop('score_map', {})

        # Validate the heuristic and recalculate its score
        heuristic = Heuristic(heur_id, attack_ids, signatures, score_map,
                              frequency, heuristics)

        try:
            # Assign the newly computed heuristic to the section
            output: dict[str, typing.Any] = dict(heur_id=heur_id,
                                                 score=heuristic.score,
                                                 name=heuristic.name,
                                                 attack=[],
                                                 signature=[])

            # Assign the multiple attack IDs to the heuristic
            for attack_id in heuristic.attack_ids:
                attack_item = None
                if attack_id in attack_map:
                    attack_item = dict(
                        attack_id=attack_id,
                        pattern=attack_map[attack_id]['name'],
                        categories=attack_map[attack_id]['categories'])
                elif attack_id in software_map:
                    attack_item = dict(attack_id=attack_id,
                                       pattern=software_map[attack_id].get(
                                           'name', attack_id),
                                       categories=["software"])
                elif attack_id in group_map:
                    attack_item = dict(attack_id=attack_id,
                                       pattern=group_map[attack_id].get(
                                           'name', attack_id),
                                       categories=["group"])

                if attack_item:
                    output['attack'].append(attack_item)
                else:
                    heur_logger.warning(
                        f"Could not generate Att&ck output for ID: {attack_id}"
                    )

            # Assign the multiple signatures to the heuristic
            for sig_name, freq in heuristic.signatures.items():
                signature_item = dict(name=sig_name,
                                      frequency=freq,
                                      safe=self.safelist.get(
                                          get_safelist_key(
                                              'signature', sig_name), None)
                                      is not None)
                output['signature'].append(signature_item)

            sig_safe_status = [s['safe'] for s in output['signature']]
            if len(sig_safe_status) > 0 and all(sig_safe_status):
                output['score'] = 0

            return output, heuristic.associated_tags
        except InvalidHeuristicException as e:
            heur_logger.warning(str(e))
            raise