cti-python-stix2/stix2/v21/sdo.py

818 lines
39 KiB
Python

"""STIX 2.1 Domain Objects."""
from collections import OrderedDict
import itertools
from urllib.parse import quote_plus
import warnings
from stix2patterns.validator import run_validator
from ..custom import _custom_object_builder
from ..exceptions import (
InvalidValueError, PropertyPresenceError, STIXDeprecationWarning,
)
from ..properties import (
BooleanProperty, EnumProperty, FloatProperty, IDProperty, IntegerProperty,
ListProperty, ObservableProperty, PatternProperty, ReferenceProperty,
StringProperty, TimestampProperty, TypeProperty,
)
from ..utils import NOW
from .base import _DomainObject
from .common import ExternalReference, GranularMarking, KillChainPhase
class AttackPattern(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_4ohsa4pay4h4>`__.
"""
_type = 'attack-pattern'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('aliases', ListProperty(StringProperty)),
('kill_chain_phases', ListProperty(KillChainPhase)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Campaign(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_vvysvm8mt434>`__.
"""
_type = 'campaign'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('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)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(Campaign, self)._check_object_constraints()
first_seen = self.get('first_seen')
last_seen = self.get('last_seen')
if first_seen and last_seen and last_seen < first_seen:
msg = "{0.id} 'last_seen' must be greater than or equal 'first_seen'"
raise ValueError(msg.format(self))
class CourseOfAction(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_d5yf99f0a230>`__.
"""
_type = 'course-of-action'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Grouping(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_9e3uldaqqha2>`__.
"""
_type = 'grouping'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty()),
('description', StringProperty()),
('context', StringProperty(required=True)),
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.1'), required=True)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Identity(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ru8fmldl2p6w>`__.
"""
_type = 'identity'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('roles', ListProperty(StringProperty)),
('identity_class', StringProperty()),
('sectors', ListProperty(StringProperty)),
('contact_information', StringProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Indicator(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_wfiae74706sw>`__.
"""
_type = 'indicator'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty()),
('description', StringProperty()),
('indicator_types', ListProperty(StringProperty)),
('pattern', PatternProperty(required=True)),
('pattern_type', StringProperty(required=True)),
('pattern_version', StringProperty()),
('valid_from', TimestampProperty(default=lambda: NOW)),
('valid_until', TimestampProperty()),
('kill_chain_phases', ListProperty(KillChainPhase)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def __init__(self, *args, **kwargs):
if kwargs.get('pattern') and kwargs.get('pattern_type') == 'stix' and not kwargs.get('pattern_version'):
kwargs['pattern_version'] = '2.1'
super(Indicator, self).__init__(*args, **kwargs)
def _check_object_constraints(self):
super(Indicator, self)._check_object_constraints()
valid_from = self.get('valid_from')
valid_until = self.get('valid_until')
if valid_from and valid_until and valid_until <= valid_from:
msg = "{0.id} 'valid_until' must be greater than 'valid_from'"
raise ValueError(msg.format(self))
if self.get('pattern_type') == "stix":
try:
pat_ver = self.get('pattern_version')
except AttributeError:
pat_ver = '2.1'
errors = run_validator(self.get('pattern'), pat_ver)
if errors:
raise InvalidValueError(self.__class__, 'pattern', str(errors[0]))
class Infrastructure(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_l2alfbbcmfep>`__.
"""
_type = 'infrastructure'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('infrastructure_types', ListProperty(StringProperty)),
('aliases', ListProperty(StringProperty)),
('kill_chain_phases', ListProperty(KillChainPhase)),
('first_seen', TimestampProperty()),
('last_seen', TimestampProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(Infrastructure, self)._check_object_constraints()
first_seen = self.get('first_seen')
last_seen = self.get('last_seen')
if first_seen and last_seen and last_seen < first_seen:
msg = "{0.id} 'last_seen' must be greater than or equal to 'first_seen'"
raise ValueError(msg.format(self))
class IntrusionSet(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ticprjb32bc4>`__.
"""
_type = 'intrusion-set'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('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)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(IntrusionSet, self)._check_object_constraints()
first_seen = self.get('first_seen')
last_seen = self.get('last_seen')
if first_seen and last_seen and last_seen < first_seen:
msg = "{0.id} 'last_seen' must be greater than or equal to 'first_seen'"
raise ValueError(msg.format(self))
class Location(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_sqez6sri9vtz>`__.
"""
_type = 'location'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty()),
('description', StringProperty()),
('latitude', FloatProperty(min=-90.0, max=90.0)),
('longitude', FloatProperty(min=-180.0, max=180.0)),
('precision', FloatProperty(min=0.0)),
('region', StringProperty()),
('country', StringProperty()),
('administrative_area', StringProperty()),
('city', StringProperty()),
('street_address', StringProperty()),
('postal_code', StringProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(Location, self)._check_object_constraints()
if self.get('precision') is not None:
self._check_properties_dependency(['longitude', 'latitude'], ['precision'])
self._check_properties_dependency(['latitude'], ['longitude'])
self._check_properties_dependency(['longitude'], ['latitude'])
if not (
'region' in self
or 'country' in self
or (
'latitude' in self
and 'longitude' in self
)
):
raise PropertyPresenceError(
"Location objects must have the properties 'region', "
"'country', or 'latitude' and 'longitude'",
Location,
)
def to_maps_url(self, map_engine="Google Maps"):
"""Return URL to this location in an online map engine.
Google Maps is the default, but Bing maps are also supported.
Args:
map_engine (str): Which map engine to find the location in
Returns:
The URL of the location in the given map engine.
"""
params = []
latitude = self.get('latitude', None)
longitude = self.get('longitude', None)
if latitude is not None and longitude is not None:
params.extend([str(latitude), str(longitude)])
else:
properties = ['street_address', 'city', 'country', 'region', 'administrative_area', 'postal_code']
params = [self.get(prop) for prop in properties if self.get(prop) is not None]
return self._to_maps_url_dispatcher(map_engine, params)
def _to_maps_url_dispatcher(self, map_engine, params):
if map_engine == "Google Maps":
return self._to_google_maps_url(params)
elif map_engine == "Bing Maps":
return self._to_bing_maps_url(params)
else:
raise ValueError(map_engine + " is not a valid or currently-supported map engine")
def _to_google_maps_url(self, params):
url_base = "https://www.google.com/maps/search/?api=1&query="
url_ending = params[0]
for i in range(1, len(params)):
url_ending = url_ending + "," + params[i]
final_url = url_base + quote_plus(url_ending)
return final_url
def _to_bing_maps_url(self, params):
url_base = "https://bing.com/maps/default.aspx?where1="
url_ending = params[0]
for i in range(1, len(params)):
url_ending = url_ending + "," + params[i]
final_url = url_base + quote_plus(url_ending) + "&lvl=16" # level 16 zoom so long/lat searches shown more clearly
return final_url
class Malware(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_gc4ooz6oaz7y>`__.
"""
_type = 'malware'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty()),
('description', StringProperty()),
('malware_types', ListProperty(StringProperty)),
('is_family', BooleanProperty(required=True)),
('aliases', ListProperty(StringProperty)),
('kill_chain_phases', ListProperty(KillChainPhase)),
('first_seen', TimestampProperty()),
('last_seen', TimestampProperty()),
('operating_system_refs', ListProperty(ReferenceProperty(valid_types='software', spec_version='2.1'))),
('architecture_execution_envs', ListProperty(StringProperty)),
('implementation_languages', ListProperty(StringProperty)),
('capabilities', ListProperty(StringProperty)),
('sample_refs', ListProperty(ReferenceProperty(valid_types=['artifact', 'file'], spec_version='2.1'))),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(Malware, self)._check_object_constraints()
first_seen = self.get('first_seen')
last_seen = self.get('last_seen')
if first_seen and last_seen and last_seen < first_seen:
msg = "{0.id} 'last_seen' must be greater than or equal to 'first_seen'"
raise ValueError(msg.format(self))
if self.is_family and "name" not in self:
raise PropertyPresenceError(
"'name' is a required property for malware families",
Malware,
)
class MalwareAnalysis(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_dw67pa20zss5>`__.
"""
_type = 'malware-analysis'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('product', StringProperty(required=True)),
('version', StringProperty()),
('host_vm_ref', ReferenceProperty(valid_types='software', spec_version='2.1')),
('operating_system_ref', ReferenceProperty(valid_types='software', spec_version='2.1')),
('installed_software_refs', ListProperty(ReferenceProperty(valid_types='software', spec_version='2.1'))),
('configuration_version', StringProperty()),
('modules', ListProperty(StringProperty)),
('analysis_engine_version', StringProperty()),
('analysis_definition_version', StringProperty()),
('submitted', TimestampProperty()),
('analysis_started', TimestampProperty()),
('analysis_ended', TimestampProperty()),
('result_name', StringProperty()),
('result', StringProperty()),
('analysis_sco_refs', ListProperty(ReferenceProperty(valid_types="SCO", spec_version='2.1'))),
('sample_ref', ReferenceProperty(valid_types="SCO", spec_version='2.1')),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(MalwareAnalysis, self)._check_object_constraints()
self._check_at_least_one_property(["result", "analysis_sco_refs"])
class Note(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_hr77jvcbs9jk>`__.
"""
_type = 'note'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('abstract', StringProperty()),
('content', StringProperty(required=True)),
('authors', ListProperty(StringProperty)),
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.1'), required=True)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class ObservedData(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_h1590esrzg5f>`__.
"""
_type = 'observed-data'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('first_observed', TimestampProperty(required=True)),
('last_observed', TimestampProperty(required=True)),
('number_observed', IntegerProperty(min=1, max=999999999, required=True)),
('objects', ObservableProperty(spec_version='2.1')),
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SRO"], spec_version="2.1"))),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('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)
if "objects" in kwargs:
warnings.warn(
"The 'objects' property of observed-data is deprecated in "
"STIX 2.1.",
STIXDeprecationWarning,
)
super(ObservedData, self).__init__(*args, **kwargs)
def _check_object_constraints(self):
super(ObservedData, self)._check_object_constraints()
first_observed = self.get('first_observed')
last_observed = self.get('last_observed')
if first_observed and last_observed and last_observed < first_observed:
msg = "{0.id} 'last_observed' must be greater than or equal to 'first_observed'"
raise ValueError(msg.format(self))
self._check_mutually_exclusive_properties(
["objects", "object_refs"],
)
class Opinion(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_sr2hswmu5t1>`__.
"""
_type = 'opinion'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('explanation', StringProperty()),
('authors', ListProperty(StringProperty)),
(
'opinion', EnumProperty(
allowed=[
'strongly-disagree',
'disagree',
'neutral',
'agree',
'strongly-agree',
], required=True,
),
),
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.1'), required=True)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Report(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_ha4fpad0r9pf>`__.
"""
_type = 'report'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('report_types', ListProperty(StringProperty)),
('published', TimestampProperty(required=True)),
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.1'), required=True)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class ThreatActor(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_2wowmlcbkqst>`__.
"""
_type = 'threat-actor'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('threat_actor_types', ListProperty(StringProperty)),
('aliases', ListProperty(StringProperty)),
('first_seen', TimestampProperty()),
('last_seen', TimestampProperty()),
('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)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def _check_object_constraints(self):
super(ThreatActor, self)._check_object_constraints()
first_observed = self.get('first_seen')
last_observed = self.get('last_seen')
if first_observed and last_observed and last_observed < first_observed:
msg = "{0.id} 'last_seen' must be greater than or equal to 'first_seen'"
raise ValueError(msg.format(self))
class Tool(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_m21z3a1f3lou>`__.
"""
_type = 'tool'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('tool_types', ListProperty(StringProperty)),
('aliases', ListProperty(StringProperty)),
('kill_chain_phases', ListProperty(KillChainPhase)),
('tool_version', StringProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
class Vulnerability(_DomainObject):
"""For more detailed information on this object's properties, see
`the STIX 2.1 specification <https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html#_d9f0iay06wtx>`__.
"""
_type = 'vulnerability'
_properties = OrderedDict([
('type', TypeProperty(_type, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(_type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('name', StringProperty(required=True)),
('description', StringProperty()),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('granular_markings', ListProperty(GranularMarking)),
])
def CustomObject(type='x-custom-type', properties=None):
"""Custom STIX Object type decorator.
Example:
>>> from stix2.v21 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.v21 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, spec_version='2.1')),
('spec_version', StringProperty(fixed='2.1')),
('id', IDProperty(type, spec_version='2.1')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.1')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond', precision_constraint='min')),
],
[x for x in properties if not x[0].startswith('x_')],
[
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('confidence', IntegerProperty()),
('lang', StringProperty()),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.1'))),
('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, '2.1', _DomainObject)
return wrapper