821 lines
38 KiB
Python
821 lines
38 KiB
Python
"""STIX 2.1 Domain Objects."""
|
|
|
|
from collections import OrderedDict
|
|
import itertools
|
|
import warnings
|
|
|
|
from six.moves.urllib.parse import quote_plus
|
|
from stix2patterns.validator import run_validator
|
|
|
|
from ..core import STIXDomainObject
|
|
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 .common import ExternalReference, GranularMarking, KillChainPhase
|
|
|
|
|
|
class AttackPattern(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('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)),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', StringProperty(fixed='2.1')),
|
|
('id', IDProperty(_type, spec_version='2.1')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', 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)),
|
|
('name', StringProperty()),
|
|
('description', StringProperty()),
|
|
('context', StringProperty(required=True)),
|
|
('object_refs', ListProperty(ReferenceProperty(valid_types=["SCO", "SDO", "SRO"], spec_version='2.1'), required=True)),
|
|
])
|
|
|
|
|
|
class Identity(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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, required=True)),
|
|
('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(STIXDomainObject, 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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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)),
|
|
('name', StringProperty(required=True)),
|
|
('description', StringProperty()),
|
|
('infrastructure_types', ListProperty(StringProperty)),
|
|
('aliases', ListProperty(StringProperty)),
|
|
('kill_chain_phases', ListProperty(KillChainPhase)),
|
|
('first_seen', TimestampProperty()),
|
|
('last_seen', TimestampProperty()),
|
|
])
|
|
|
|
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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('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)),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', StringProperty(fixed='2.1')),
|
|
('id', IDProperty(_type, spec_version='2.1')),
|
|
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('created_by_ref', ReferenceProperty(valid_types='identity', 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)),
|
|
('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")),
|
|
])
|
|
|
|
def _check_object_constraints(self):
|
|
super(MalwareAnalysis, self)._check_object_constraints()
|
|
|
|
self._check_at_least_one_property(["result", "analysis_sco_refs"])
|
|
|
|
|
|
class Note(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('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='2.1')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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)),
|
|
])
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._properties['object_refs'].contained.interoperability = kwargs.get('interoperability', False)
|
|
|
|
super(Report, self).__init__(*args, **kwargs)
|
|
|
|
|
|
class ThreatActor(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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(STIXDomainObject):
|
|
"""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', 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')),
|
|
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
|
|
('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', 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')),
|
|
('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)),
|
|
('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')
|
|
|
|
return wrapper
|