Esempio n. 1
0
    def on_event(self, event):
        """
        Invoked when a DXL event has been received.

        NOTE: This method should not be overridden (it performs transformations to simplify TIE usage).
        Instead, the :func:`on_reputation_change` method must be overridden.

        :param event: The original DXL event message that was received
        """
        # Decode the event payload
        rep_change_dict = json.loads(event.payload.decode(encoding="UTF-8"))

        # Transform hashes
        if RepChangeEventProp.HASHES in rep_change_dict:
            rep_change_dict[RepChangeEventProp.HASHES] = \
                TieClient._transform_hashes(rep_change_dict[RepChangeEventProp.HASHES])

        # Transform new reputations
        if RepChangeEventProp.NEW_REPUTATIONS in rep_change_dict:
            if "reputations" in rep_change_dict[
                    RepChangeEventProp.NEW_REPUTATIONS]:
                rep_change_dict[RepChangeEventProp.NEW_REPUTATIONS] = \
                    TieClient._transform_reputations(
                        rep_change_dict[RepChangeEventProp.NEW_REPUTATIONS]["reputations"])

        # Transform old reputations
        if RepChangeEventProp.OLD_REPUTATIONS in rep_change_dict:
            if "reputations" in rep_change_dict[
                    RepChangeEventProp.OLD_REPUTATIONS]:
                rep_change_dict[RepChangeEventProp.OLD_REPUTATIONS] = \
                    TieClient._transform_reputations(
                        rep_change_dict[RepChangeEventProp.OLD_REPUTATIONS]["reputations"])

        # Transform relationships
        if FileRepChangeEventProp.RELATIONSHIPS in rep_change_dict:
            relationships_dict = rep_change_dict[
                FileRepChangeEventProp.RELATIONSHIPS]
            if "certificate" in relationships_dict:
                cert_dict = relationships_dict["certificate"]
                if "hashes" in cert_dict:
                    cert_dict["hashes"] = \
                        TieClient._transform_hashes(cert_dict["hashes"])
                if "publicKeySha1" in cert_dict:
                    cert_dict["publicKeySha1"] = \
                        TieClient._base64_to_hex(cert_dict["publicKeySha1"])

        # Transform certificate public-key SHA-1 (if applicable)
        if CertRepChangeEventProp.PUBLIC_KEY_SHA1 in rep_change_dict:
            rep_change_dict[CertRepChangeEventProp.PUBLIC_KEY_SHA1] = \
                TieClient._base64_to_hex(rep_change_dict[CertRepChangeEventProp.PUBLIC_KEY_SHA1])

        # Invoke the reputation change method
        self.on_reputation_change(rep_change_dict, event)
Esempio n. 2
0
    def on_event(self, event):
        """
        Invoked when a DXL event has been received.

        NOTE: This method should not be overridden (it performs transformations to simplify TIE usage).
        Instead, the :func:`on_detection` method must be overridden.

        :param event: The original DXL event message that was received
        """
        # Decode the event payload
        detection_dict = json.loads(event.payload.decode(encoding="UTF-8"))

        # Transform hashes
        if DetectionEventProp.HASHES in detection_dict:
            detection_dict[RepChangeEventProp.HASHES] = \
                TieClient._transform_hashes(detection_dict[DetectionEventProp.HASHES])

        # Invoke the detection method
        self.on_detection(detection_dict, event)