Пример #1
0
def strip_observables(pkg_path):
    '''Strips observable from a package, support multiple structures'''
    result = Observables()
    pkg = STIXPackage.from_xml(pkg_path)
    processed = []
    for ind in pkg.indicators:
        if ind.composite_indicator_expression:
            """The indicator is a compsite structure, this references other indicators, which reference the observables..."""
            cyboxobject = ObservableComposition()
            cyboxobject.operator = str(ind.observable_composition_operator)
            for x in ind.composite_indicator_expression:
                """For every indicator in the composite list, get referenced indicator"""
                ref_ind = getindicator_by_id(pkg, str(x._idref))
                if ref_ind.observables:
                    for y in ref_ind.observables:
                        """For every referenced observable, get the object"""
                        ref_obs = getobservable_by_id(pkg, y._idref)
                        if ref_obs:
                            cyboxobject.add(ref_obs)
                            processed.append(ref_obs.id_)
            result.add(cyboxobject)
        if ind.observables:
            for x in ind.observables:
                if x is not None:
                    if x.id_ not in processed:
                        result.add(x)
                        processed.append(x.id_)
    if pkg.observables:
        for x in pkg.observables:
            if x is not None:
                if x.id_ not in processed:
                    result.add(x)
    scanfile = open(os.path.join(iocname,"scan.json"),'w')
    scanfile.write(json.dumps(walkobservables(result).to_dict(), indent=4))
    scanfile.close()
Пример #2
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    def _merge_observables(self, observables):
        observable_composition = ObservableComposition()
        observable_composition.operator = self.observable_composition_operator

        for observable in observables:
            observable_composition.add(observable)

        root_observable = Observable()
        root_observable.observable_composition = observable_composition

        return root_observable
Пример #3
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 def _merge_observables(self, observables, operator='AND'):
     observable_composition = ObservableComposition()
     observable_composition.operator = operator
     
     for observable_ in observables:
         observable_composition.add(observable_)
     
     root_observable = Observable()
     root_observable.observable_composition = observable_composition
     
     return root_observable
Пример #4
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def returnAttachmentComposition(attribute):
    file_object = File()
    file_object.file_name = attribute["value"]
    file_object.parent.id_ = cybox.utils.idgen.__generator.namespace.prefix + ":FileObject-" + attribute[
        "uuid"]
    observable = Observable()
    if "data" in attribute:
        artifact = Artifact(data=attribute["data"])
        artifact.parent.id_ = cybox.utils.idgen.__generator.namespace.prefix + ":ArtifactObject-" + attribute[
            "uuid"]
        observable_artifact = Observable(artifact)
        observable_artifact.id_ = cybox.utils.idgen.__generator.namespace.prefix + ":observable-artifact-" + attribute[
            "uuid"]
        observable_file = Observable(file_object)
        observable_file.id_ = cybox.utils.idgen.__generator.namespace.prefix + ":observable-file-" + attribute[
            "uuid"]
        composition = ObservableComposition(
            observables=[observable_artifact, observable_file])
        observable.observable_composition = composition
    else:
        observable = Observable(file_object)
    observable.id_ = cybox.utils.idgen.__generator.namespace.prefix + ":observable-" + attribute[
        "uuid"]
    if attribute["comment"] != "":
        observable.description = attribute["comment"]
    return observable
Пример #5
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 def generate_domain_ip_observable(self, indicator, attribute):
     indicator.add_indicator_type("Domain Watchlist")
     domain, ip = attribute.value.split('|')
     address_object = self.resolve_ip_type(attribute.type, ip)
     address_object.parent.id_ = "{}:AddressObject-{}".format(self.namespace_prefix, attribute.uuid)
     address_observable = Observable(address_object)
     address_observable.id_ = "{}:Address-{}".format(self.namespace_prefix, attribute.uuid)
     domain_object = DomainName()
     domain_object.value = domain
     domain_object.value.condition = "Equals"
     domain_object.parent.id_ = "{}:DomainNameObject-{}".format(self.namespace_prefix, attribute.uuid)
     domain_observable = Observable(domain_object)
     domain_observable.id_ = "{}:DomainName-{}".format(self.namespace_prefix, attribute.uuid)
     composite_object = ObservableComposition(observables=[address_observable, domain_observable])
     composite_object.operator = "AND"
     observable = Observable(id_="{}:ObservableComposition-{}".format(self.namespace_prefix, attribute.uuid))
     observable.observable_composition = composite_object
     return observable
Пример #6
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def returnAttachmentComposition(attribute):
    file_object = File()
    file_object.file_name = attribute["value"]
    observable = Observable()
    if "data" in attribute:
        artifact = Artifact(data=attribute["data"])
        composition = ObservableComposition(
            observables=[artifact, file_object])
        observable.observable_composition = composition
    else:
        observable = Observable(file_object)
    return observable
Пример #7
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 def generate_ip_observable(self, indicator, attribute):
     indicator.add_indicator_type("IP Watchlist")
     address_object = self.resolve_ip_type(attribute.type, attribute.value)
     address_object.parent.id_ = "{}:AddressObject-{}".format(self.namespace_prefix, attribute.uuid)
     if '|' in attribute.value:
         port = attribute.value.split('|')[1]
         address_observable = Observable(address_object)
         address_observable.id_ = "{}:Address-{}".format(self.namespace_prefix, attribute.uuid)
         port_object = Port()
         port_object.port_value = port
         port_object.port_value.condition = "Equals"
         port_object.parent.id_ = "{}:PortObject-{}".format(self.namespace_prefix, attribute.uuid)
         port_observable = Observable(port_object)
         port_observable.id_ = "{}:Port-{}".format(self.namespace_prefix, attribute.uuid)
         compositeObject = ObservableComposition(observables=[address_observable, port_observable])
         compositeObject.operator = "AND"
         observable = Observable(id_ = "{}:ObservableComposition-{}".format(self.namespace_prefix, attribute.uuid))
         observable.observable_composition = compositeObject
         return observable
     else:
         return address_object
Пример #8
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    def test_invalid_arguments(self):
        obj = Object()
        e = Event()
        oc = ObservableComposition()

        o1 = Observable()
        self.assertRaises(TypeError, _set_event, o1, obj)
        self.assertRaises(TypeError, _set_oc, o1, obj)
        self.assertRaises(TypeError, _set_obj, o1, e)
        self.assertRaises(TypeError, _set_oc, o1, e)
        self.assertRaises(TypeError, _set_obj, o1, oc)
        self.assertRaises(TypeError, _set_event, o1, oc)
Пример #9
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    def observables(self, value):
        """
        The method will automatically create a top ``cybox.core.Observable`` and
        append all ``cybox.core.Observable`` using ``observable_composition``
        property when a ``list`` is given with length greater than 1.

        Note:
            The top level ``cybox.core.Observable`` will set the ``operator``
            property for the ``cybox.core.ObservableComposition`` via the
            ``observable_composition_operator`` property. The value of
            ``operator`` can be changed via ``observable_composition_operator``
            property. By default, the composition layer will be set to ``"OR"``.

        Args:
            value: A ``list`` of ``cybox.core.Observable`` instances or a single
                ``cybox.core.Observable`` instance.

        Raises:
            ValueError: If set to a value that cannot be converted to an
                instance of ``cybox.core.Observable``.
        """
        if not value:
            return

        if isinstance(value, Observable):
            self.observable = value

        elif utils.is_sequence(value):
            if len(value) == 1:
                self.observable = value
                return

            observable_comp = ObservableComposition()
            observable_comp.operator = self.observable_composition_operator

            for element in value:
                observable_comp.add(element)

            self.observable = Observable()
            self.observable.observable_composition = observable_comp
Пример #10
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    def observables(self, value):
        """
        The method will automatically create a top ``cybox.core.Observable`` and
        append all ``cybox.core.Observable`` using ``observable_composition``
        property when a ``list`` is given with length greater than 1.

        Note:
            The top level ``cybox.core.Observable`` will set the ``operator``
            property for the ``cybox.core.ObservableComposition`` via the
            ``observable_composition_operator`` property. The value of
            ``operator`` can be changed via ``observable_composition_operator``
            property. By default, the composition layer will be set to ``"OR"``.

        Args:
            value: A ``list`` of ``cybox.core.Observable`` instances or a single
                ``cybox.core.Observable`` instance.

        Raises:
            ValueError: If set to a value that cannot be converted to an
                instance of ``cybox.core.Observable``.
        """
        if not value:
            return

        if isinstance(value, Observable):
            self.observable = value

        elif utils.is_sequence(value):
            if len(value) == 1:
                self.add_observable(value[0])
                return

            observable_comp = ObservableComposition()
            observable_comp.operator = self.observable_composition_operator

            for element in value:
                observable_comp.add(element)

            self.observable = Observable()
            self.observable.observable_composition = observable_comp
Пример #11
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def generateDomainIPObservable(indicator, attribute):
    indicator.add_indicator_type("Domain Watchlist")
    compositeObject = ObservableComposition()
    compositeObject.operator = "AND"
    domain = attribute["value"].split('|')[0]
    ip = attribute["value"].split('|')[1]
    address_object = resolveIPType(ip, attribute["type"])
    domain_object = DomainName()
    domain_object.value = domain
    compositeObject.add(address_object)
    compositeObject.add(domain_object)
    return compositeObject
Пример #12
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    def add_observable(self, observable):
        """Adds an observable to the ``observable`` property of the
        :class:`Indicator`.

        If the `observable` parameter is ``None``, no item will be added
        to the ``observable`` property.

        Note:
            The STIX Language dictates that an :class:`Indicator` can have only
            one ``Observable`` under it. Because of this, when a user adds
            another ``Observable`` a new, empty ``Observable`` will be crated
            and append the existing and new ``observable`` using the
            ``ObservableComposition`` property. To access the top level
            ``Observable`` can be achieved by the ``observable`` property .By
            default, the ``operator`` of the composition layer will be set to
            ``"OR"``. The ``operator`` value can be changed via the
            ``observable_composition_operator`` property.

            Setting ``observable`` or ``observables`` with re-initialize the
            property and lose all ``Observable`` in the composition layer.

        Args:
            observable: An instance of ``cybox.core.Observable`` or an object
                type that can be converted into one.


        Raises:
            ValueError: If the `observable` param cannot be converted into an
                instance of ``cybox.core.Observable``.

        """
        if not observable:
            return

        # Sets the first observable.
        elif not self.observable:
            self.observable = observable

        # When another is inserted. A "root" Observable is created and the
        # user's Observables are appended to the composition.
        elif not self.observable.observable_composition:
            observable_comp = ObservableComposition()
            observable_comp.operator = self.observable_composition_operator

            observable_comp.add(self.observable)
            observable_comp.add(observable)

            self.observable = Observable()
            self.observable.observable_composition = observable_comp

        # Keep appending to "root" Observable.
        else:
            self.observable.observable_composition.add(observable)
Пример #13
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    def test_observables_property_composition(self):
        f1 = File()
        f1.file_name = "README.txt"
        f2 = File()
        f2.file_name = "README2.txt"
        obs1 = Observable(f1)
        obs2 = Observable(f2)

        comp = Observable(ObservableComposition('AND', [obs1, obs2]))

        ind = Indicator()
        ind.observable = comp
        ind2 = Indicator.from_dict(ind.to_dict())
        self.assertEqual([obs1.to_dict(), obs2.to_dict()],
                         [x.to_dict() for x in ind2.observables])
Пример #14
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 def return_attachment_composition(self, attribute):
     file_object = File()
     file_object.file_name = attribute.value
     file_object.parent.id_ = "{}:FileObject-{}".format(self.namespace_prefix, attribute.uuid)
     if 'data' in attribute:
         observable_artifact = self.create_artifact_object(attribute, artifact="a")
         observable_file = Observable(file_object)
         observable_file.id_ = "{}:observable-file-{}".format(self.namespace_prefix, attribute.uuid)
         observable = Observable()
         composition = ObservableComposition(observables=[observable_artifact, observable_file])
         observable.observable_composition = composition
     else:
         observable = Observable(file_object)
     observable.id_ = "{}:observable-{}".format(self.namespace_prefix, attribute.uuid)
     if attribute.comment:
         observable.description = attribute.comment
     return observable
Пример #15
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    def add_observable(self, observable):
        """Adds an observable to the ``observable`` property of the
        :class:`Indicator`.

        If the `observable` parameter is ``None``, no item will be added
        to the ``observable`` property.

        Note:
            The STIX Language dictates that an :class:`Indicator` can have only
            one ``Observable`` under it. Because of this, when a user adds
            another ``Observable`` a new, empty ``Observable`` will be crated
            and append the existing and new ``observable`` using the
            ``ObservableComposition`` property. To access the top level
            ``Observable`` can be achieved by the ``observable`` property .By
            default, the ``operator`` of the composition layer will be set to
            ``"OR"``. The ``operator`` value can be changed via the
            ``observable_composition_operator`` property.

            Setting ``observable`` or ``observables`` with re-initialize the
            property and lose all ``Observable`` in the composition layer.

        Args:
            observable: An instance of ``cybox.core.Observable`` or an object
                type that can be converted into one.


        Raises:
            ValueError: If the `observable` param cannot be converted into an
                instance of ``cybox.core.Observable``.

        """
        if not observable:
            return

        # Sets the first observable.
        elif not self.observable:
            self.observable = observable

        # When another is inserted. A "root" Observable is created and the
        # user's Observables are appended to the composition.
        elif not self.observable.observable_composition:
            observable_comp = ObservableComposition()
            observable_comp.operator = self.observable_composition_operator

            observable_comp.add(self.observable)
            observable_comp.add(observable)

            self.observable = Observable()
            self.observable.observable_composition = observable_comp

        # Keep appending to "root" Observable.
        else:
            self.observable.observable_composition.add(observable)
Пример #16
0
    def test_observable_init(self):
        # Can pass an Object into the Observable constructor
        o = Object()
        obs = Observable(o)

        # Can pass an Event into the Observable constructor
        e = Event()
        obs = Observable(e)

        # Can pass an ObservableComposition into the Observable constructor
        oc = ObservableComposition()
        obs = Observable(oc)

        # Can pass an ObjectProperties subclass into the Observable constructor
        a = Address()
        obs = Observable(a)

        # Cannot pass a String into the Observable constructor.
        s = String()
        self.assertRaises(TypeError, Observable, s)
Пример #17
0
def _indicator_to_observable(indicator):
    """Process indicator item(s), that can be nested, and create a composite object with observables.

    Args:
        indicator: Indicator(s) that will be translated

    Returns:
        A cybox.core.Observable object if `indicator` can be translated.
        None is returned if `indicator` contains invalid or untranslatable items.
    """
    items  = openioc.get_items(indicator)
    nested = openioc.get_indicators(indicator)

    if not (nested or items):
        return None

    # If the openioc indicator has only one IndicatorItem, return an Observable
    # object which has a single CybOX Object child.
    if not nested and len(items) == 1:
        return _translate_item(items[0])

    # The openioc Indicator had more than one item or nested indicators, so
    # we need to create an Observable Composition.
    # Initialize the parent Observable
    id_ = _translate_id(indicator.attrib.get("id"))
    root = Observable(id_=id_)

    operator = indicator.attrib.get("operator", "AND")
    composite = ObservableComposition(operator=operator)
    root.observable_composition = composite

    # Translate all the IndicatorItem and nested Indicator children
    observables = _translate_items(items) + _translate_indicators(nested)

    # Add the translated Observable objects to the composite
    composite.observables.extend(observables)

    return root
Пример #18
0
def main():
    # NOTE: ID values will differ due to being regenerated on each script execution
    pkg = STIXPackage()
    pkg.title = "Examples of Observable Composition"

    # USE CASE: single obj with single condition
    obs = File()
    obs.file_name = "foo.exe"
    obs.file_name.condition = "Contains"
    pkg.add_observable(obs)

    # USE CASE: single obj with multiple conditions
    obs = File()
    obs.file_name = "foo"
    obs.file_name.condition = "Contains"
    obs.size_in_bytes = '1896000'
    obs.size_in_bytes.condition = "Equals"
    pkg.add_observable(obs)

    # USE CASE: multiple obj with individual conditions
    obs = EmailMessage()

    obs.subject = "Syria strategic plans leaked"
    obs.subject.condition = "Equals"
    file_obj = File()
    file_obj.file_name = "bombISIS.pdf"
    file_obj.file_name.condition = "Equals"
    obs.add_related(file_obj, "Contains")

    pkg.add_observable(obs)

    # USE CASE: multiple objects  with complex condition like (A OR B) AND C

    # orcomp = either of a mutex or file are present

    orcomp = ObservableComposition()
    orcomp.operator = "OR"
    obs = Mutex()
    obs.name = 'foo'
    obs.name.condition = "Contains"

    orcomp.add(obs)

    obs = File()
    obs.file_name = "barfoobar"
    obs.file_name.condition = "Equals"

    orcomp.add(obs)

    # andcomp = the above is true AND a network connection is present
    andcomp = ObservableComposition()
    andcomp.operator = "AND"

    andcomp.add(orcomp)

    obs = NetworkConnection()
    sock = SocketAddress()
    sock.ip_address = "46.123.99.25"
    sock.ip_address.category = "ipv4-addr"
    sock.ip_address.condition = "Equals"
    obs.destination_socket_address = sock
    andcomp.add(obs)

    pkg.add_observable(andcomp)

    # USE CASE:  single object, one property with multiple values
    obs = SocketAddress()
    obs.ip_address = ['10.0.0.0', '10.0.0.1', '10.0.0.2']  # comma delimiter automagically added
    obs.ip_address.condition = "Equals"
    obs.ip_address.apply_condition = "ANY"

    pkg.add_observable(obs)

    print pkg.to_xml()
Пример #19
0
    def publish_indicator(self, indicator_data, user):
        indicator = DBIndicator(
            id_=indicator_data['id'],
            title=indicator_data.get('title'),
            description=indicator_data.get('description'),
            short_description=indicator_data.get('short_description'),
        )
        indicator.add_indicator_type(indicator_data.get('indicatorType'))
        indicator.confidence = indicator_data.get('confidence', '')
        indicator.id_ns = indicator_data.get('id_ns', '')
        ident = EdgeIdentity(name=indicator_data.get('producer', ''))
        indicator.producer = EdgeInformationSource(identity=ident)
        indicator.handling = handling_from_draft('ind', indicator_data)

        if 'test_mechanisms' in indicator_data:
            for test_mechanism in indicator_data['test_mechanisms']:
                indicator.test_mechanisms.append(
                    IndicatorBuilderPatch.test_mechanism_from_draft(
                        test_mechanism))

        api_objects = {}
        observable_composition = ObservableComposition(
            operator=indicator_data.get('composition_type'))

        # If this is an Update rather than a create,
        #  we only need to copy the id and ns to the composition
        reedit_flag = 0

        # New Observables via Build or Edit
        for data in indicator_data['observables']:
            observable_id = data.get('id')
            if observable_id is None:
                # No id for this observable, therefore it is new and must be created:
                object_type = data['objectType']
                object_type_info = self.observable_object_generator.get_object_type_information(
                    object_type)
                observable_object = self.observable_object_generator.generate_observable_object_from_data(
                    object_type, data)

                object_container = Object(observable_object)
                object_container.id_ = self.generate_id(
                    object_type_info['id_prefix'])

                # Create the observable, and store it in a collection so they can be saved to the database later on:
                observable_id = self.generate_id('observable')
                observable = Observable(title=data['title'],
                                        description=data.get(
                                            'description', ''),
                                        item=object_container,
                                        id_=observable_id)
                observable.id_ns = indicator_data['id_ns']
                api_objects[observable.id_] = ApiObject('obs', observable)
            elif reedit_flag == 0 and self._is_re_edit_mode(data):
                reedit_flag = 1

            # Create a reference to the observable, and add it to the observable composition.
            # The observable composition will be added to the indicator.
            # Adding references to the composition saves duplication of data.
            observable_reference = Observable(idref=observable_id,
                                              idref_ns=indicator_data['id_ns'])
            observable_composition.add(observable_reference)

        # For some reason, the observable composition must be wrapped up in another observable.
        # So to clarify, at this point, we have an observable that contains an observable composition. This composition
        # contains a collection of references to the actual observables.

        # We only want a new ID for the observable composition (obs) if it is first-time Build
        #  otherwise, get it from...?the database?
        if reedit_flag:
            user_action_log = logging.getLogger('user_actions')
            user_action_log.info(
                "%s updated STIX item %s (%s)" %
                (user.username, indicator.id_, indicator.title))
        # EOIndicator = self.edge_object_loader.load(indicator.id_)              # Get the parent indicator
        #     find_ob_comp = lambda edges: [x.fetch() for x in edges if x.ty == 'obs'][0]
        #     # Find the observable composition among it's edges and return only the first hit.
        #     # The call to fetch() resolves the idref into an instance of the object itself
        #     existing_obs_comp = find_ob_comp(EOIndicator.edges)
        #     parent_observable = Observable(item=observable_composition, id_=existing_obs_comp.id_)
        # else:
        parent_observable = Observable(item=observable_composition,
                                       id_=self.generate_id('observable'))

        parent_observable.id_ns = indicator.id_ns
        parent_observable.timestamp = datetime.utcnow(
        )  # needed for versioning Observable Composition

        # ...and store this observable so we can actually write its contents to the database later...
        api_objects[parent_observable.id_] = ApiObject('obs',
                                                       parent_observable)

        # Add a reference of the 'parent' observable to the indicator
        parent_observable_reference = Observable(idref=parent_observable.id_,
                                                 idref_ns=indicator.id_ns)
        indicator.add_observable(parent_observable_reference)

        indicator_api_object = ApiObject('ind', indicator)
        # Process related items/correlations
        [
            relate.correlateIndtoTtp(indicator_api_object, item['idref'])
            for item in indicator_data.get('indicated_ttps', [])
        ]
        [
            relate.correlateIndtoInd(indicator_api_object, item['idref'])
            for item in indicator_data.get('related_indicators', [])
        ]
        [
            relate.correlateIndtoCoa(indicator_api_object, item['idref'])
            for item in indicator_data.get('suggested_coas', [])
        ]
        # Store the indicator so we can write it to the database later
        api_objects[indicator_api_object.id_] = indicator_api_object

        # Finally lets add everything to our Mongo collection...
        tlp = (indicator_data.get('tlp') or 'NULL').upper()
        esms = lines2list(indicator_data.get('markings', ""))

        inbox_processor = InboxProcessorForBuilders(
            user=user,
            trustgroups=indicator_data.get('trustgroups', []),
        )
        for api_obj in api_objects.itervalues():
            inbox_processor.add(
                InboxItem(api_object=api_obj, etlp=tlp, esms=esms))
        inbox_processor.run()

        self.delete_draft(user, indicator_data['id'])
def main():
    # NOTE: ID values will differ due to being regenerated on each script execution
    pkg = STIXPackage()
    pkg.title="Examples of Observable Composition"


    
    # USE CASE: single obj with single condition
    obs = File()
    obs.file_name = "foo.exe"
    obs.file_name.condition = "Contains"
    pkg.add_observable(obs)
    
    # USE CASE: single obj with multiple conditions
    obs = File()
    obs.file_name = "foo"
    obs.file_name.condition = "Contains"
    obs.size_in_bytes = '1896000'
    obs.size_in_bytes.condition = "Equals"
    pkg.add_observable(obs)

    # USE CASE: multiple obj with individual conditions
    obs = EmailMessage()

    obs.subject = "Syria strategic plans leaked"
    obs.subject.condition= "Equals"
    file_obj = File()
    file_obj.file_name = "bombISIS.pdf"
    file_obj.file_name.condition = "Equals"
    obs.add_related(file_obj, "Contains")
    
    pkg.add_observable(obs)

    
    # USE CASE: multiple objects  with complex condition like (A OR B) AND C
    
    # orcomp = either of a mutex or file are present
    
    orcomp = ObservableComposition()
    orcomp.operator = "OR"
    obs = Mutex()
    obs.name = 'foo'
    obs.name.condition= "Contains"
    
    orcomp.add(obs)
    
    obs = File()
    obs.file_name = "barfoobar"
    obs.file_name.condition = "Equals"
    
    orcomp.add(obs)
    
    # andcomp = the above is true AND a network connection is present
    andcomp = ObservableComposition()
    andcomp.operator = "AND"
    
    andcomp.add(orcomp)
    
    obs = NetworkConnection()
    sock = SocketAddress()
    sock.ip_address = "46.123.99.25"
    sock.ip_address.category = "ipv4-addr"
    sock.ip_address.condition = "Equals"
    obs.destination_socket_address = sock
    andcomp.add (obs)
    
    pkg.add_observable(andcomp) 
    
    # USE CASE:  single object, one property with multiple values 
    obs = SocketAddress()
    obs.ip_address = ['10.0.0.0','10.0.0.1','10.0.0.2'] # comma delimiter automagically added
    obs.ip_address.condition = "Equals"
    obs.ip_address.apply_condition = "ANY"
    
    pkg.add_observable(obs)

    print pkg.to_xml() 
Пример #21
0
# to add logic:
# normally you'd probably have logic for all items, but this is just a demo, not reality 
oproc_ref = Observable()
oproc_ref.id_ = None
oproc_ref.idref = obs1.id_

ofile_ref = Observable()
ofile_ref.id_ = None
ofile_ref.idref = obs2.id_

omutex_ref = Observable()
omutex_ref.id_ = None
omutex_ref.idref = obs3.id_

o_comp = Observable(ObservableComposition(operator = "OR"))
o_comp.observable_composition.add(oproc_ref)
o_comp.observable_composition.add(ofile_ref)

o_comp2 = Observable(ObservableComposition(operator = "AND"))
o_comp2.observable_composition.add(omutex_ref)

o_comp.observable_composition.add(o_comp2)

# add our composition to the observables:
observables_doc.add(o_comp)

# output to stdout or file or whatever:
outfd.write(observables_doc.to_xml())