379 lines
19 KiB
Python
379 lines
19 KiB
Python
"""STIX 2.0 Domain Objects."""
|
|
|
|
from collections import OrderedDict
|
|
import itertools
|
|
|
|
from stix2patterns.validator import run_validator
|
|
|
|
from ..core import STIXDomainObject
|
|
from ..custom import _custom_object_builder
|
|
from ..exceptions import InvalidValueError
|
|
from ..properties import (
|
|
BooleanProperty, IDProperty, IntegerProperty, ListProperty,
|
|
ObservableProperty, PatternProperty, ReferenceProperty, StringProperty,
|
|
TimestampProperty, TypeProperty,
|
|
)
|
|
from ..utils import NOW
|
|
from .common import ExternalReference, GranularMarking, KillChainPhase
|
|
|
|
|
|
class AttackPattern(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714302>`__.
|
|
"""
|
|
|
|
_type = 'attack-pattern'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('kill_chain_phases', ListProperty(KillChainPhase)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Campaign(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714305>`__.
|
|
"""
|
|
|
|
_type = 'campaign'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('aliases', ListProperty(StringProperty)),
|
|
('first_seen', TimestampProperty()),
|
|
('last_seen', TimestampProperty()),
|
|
('objective', StringProperty()),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class CourseOfAction(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714308>`__.
|
|
"""
|
|
|
|
_type = 'course-of-action'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Identity(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714311>`__.
|
|
"""
|
|
|
|
_type = 'identity'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('identity_class', StringProperty(required=True)),
|
|
('sectors', ListProperty(StringProperty)),
|
|
('contact_information', StringProperty()),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Indicator(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714314>`__.
|
|
"""
|
|
|
|
_type = 'indicator'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty()),
|
|
('description', StringProperty()),
|
|
('pattern', PatternProperty(required=True)),
|
|
('valid_from', TimestampProperty(default=lambda: NOW)),
|
|
('valid_until', TimestampProperty()),
|
|
('kill_chain_phases', ListProperty(KillChainPhase)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty, required=True)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
def _check_object_constraints(self):
|
|
errors = run_validator(self.get('pattern'), '2.0')
|
|
if errors:
|
|
raise InvalidValueError(self.__class__, 'pattern', str(errors[0]))
|
|
|
|
|
|
class IntrusionSet(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714317>`__.
|
|
"""
|
|
|
|
_type = 'intrusion-set'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('aliases', ListProperty(StringProperty)),
|
|
('first_seen', TimestampProperty()),
|
|
('last_seen', TimestampProperty()),
|
|
('goals', ListProperty(StringProperty)),
|
|
('resource_level', StringProperty()),
|
|
('primary_motivation', StringProperty()),
|
|
('secondary_motivations', ListProperty(StringProperty)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Malware(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714320>`__.
|
|
"""
|
|
|
|
_type = 'malware'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('kill_chain_phases', ListProperty(KillChainPhase)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty, required=True)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class ObservedData(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714323>`__.
|
|
"""
|
|
|
|
_type = 'observed-data'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('first_observed', TimestampProperty(required=True)),
|
|
('last_observed', TimestampProperty(required=True)),
|
|
('number_observed', IntegerProperty(min=1, max=999999999, required=True)),
|
|
('objects', ObservableProperty(spec_version="2.0", required=True)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._allow_custom = kwargs.get('allow_custom', False)
|
|
self._properties['objects'].allow_custom = kwargs.get('allow_custom', False)
|
|
|
|
super(ObservedData, self).__init__(*args, **kwargs)
|
|
|
|
|
|
class Report(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714326>`__.
|
|
"""
|
|
|
|
_type = 'report'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('published', TimestampProperty(required=True)),
|
|
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.0'), required=True)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty, required=True)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class ThreatActor(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714329>`__.
|
|
"""
|
|
|
|
_type = 'threat-actor'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('aliases', ListProperty(StringProperty)),
|
|
('roles', ListProperty(StringProperty)),
|
|
('goals', ListProperty(StringProperty)),
|
|
('sophistication', StringProperty()),
|
|
('resource_level', StringProperty()),
|
|
('primary_motivation', StringProperty()),
|
|
('secondary_motivations', ListProperty(StringProperty)),
|
|
('personal_motivations', ListProperty(StringProperty)),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty, required=True)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Tool(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714332>`__.
|
|
"""
|
|
|
|
_type = 'tool'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('kill_chain_phases', ListProperty(KillChainPhase)),
|
|
('tool_version', StringProperty()),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty, required=True)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
class Vulnerability(STIXDomainObject):
|
|
"""For more detailed information on this object's properties, see
|
|
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714335>`__.
|
|
"""
|
|
|
|
_type = 'vulnerability'
|
|
_properties = OrderedDict([
|
|
('type', TypeProperty(_type)),
|
|
('id', IDProperty(_type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
])
|
|
|
|
|
|
def CustomObject(type='x-custom-type', properties=None):
|
|
"""Custom STIX Object type decorator.
|
|
|
|
Example:
|
|
>>> from stix2.v20 import CustomObject
|
|
>>> from stix2.properties import IntegerProperty, StringProperty
|
|
>>> @CustomObject('x-type-name', [
|
|
... ('property1', StringProperty(required=True)),
|
|
... ('property2', IntegerProperty()),
|
|
... ])
|
|
... class MyNewObjectType():
|
|
... pass
|
|
|
|
Supply an ``__init__()`` function to add any special validations to the custom
|
|
type. Don't call ``super().__init__()`` though - doing so will cause an error.
|
|
|
|
Example:
|
|
>>> from stix2.v20 import CustomObject
|
|
>>> from stix2.properties import IntegerProperty, StringProperty
|
|
>>> @CustomObject('x-type-name', [
|
|
... ('property1', StringProperty(required=True)),
|
|
... ('property2', IntegerProperty()),
|
|
... ])
|
|
... class MyNewObjectType():
|
|
... def __init__(self, property2=None, **kwargs):
|
|
... if property2 and property2 < 10:
|
|
... raise ValueError("'property2' is too small.")
|
|
|
|
"""
|
|
def wrapper(cls):
|
|
_properties = list(itertools.chain.from_iterable([
|
|
[
|
|
('type', TypeProperty(type)),
|
|
('id', IDProperty(type, spec_version='2.0')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
],
|
|
[x for x in properties if not x[0].startswith('x_')],
|
|
[
|
|
('revoked', BooleanProperty(default=lambda: False)),
|
|
('labels', ListProperty(StringProperty)),
|
|
('external_references', ListProperty(ExternalReference)),
|
|
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
|
|
('granular_markings', ListProperty(GranularMarking)),
|
|
],
|
|
sorted([x for x in properties if x[0].startswith('x_')], key=lambda x: x[0]),
|
|
]))
|
|
return _custom_object_builder(cls, type, _properties, '2.0')
|
|
return wrapper
|