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from typing import Dict, List, Union
from stix2 import TLP_GREEN, TLP_WHITE, AttackPattern
from pycti.utils.constants import ContainerTypes, IdentityTypes, LocationTypes
from tests.utils import get_incident_end_date, get_incident_start_date
class EntityTestCases:
@staticmethod
def case_attack_pattern(api_client):
return AttackPatternTest(api_client)
@staticmethod
def case_campaign(api_client):
return CampaignTest(api_client)
@staticmethod
def case_course_of_action(api_client):
return CourseOfActionTest(api_client)
@staticmethod
def case_external_reference(api_client):
return ExternalReferenceTest(api_client)
@staticmethod
def case_identity_organization(api_client):
return IdentityOrganizationTest(api_client)
@staticmethod
def case_identity_individual(api_client):
return IdentityIndividualTest(api_client)
@staticmethod
def case_identity_sector(api_client):
return IdentitySectorTest(api_client)
@staticmethod
def case_identity_system(api_client):
return IdentitySystemTest(api_client)
@staticmethod
def case_incident(api_client):
return IncidentTest(api_client)
@staticmethod
def case_infrastructure(api_client):
return InfrastructureTest(api_client)
@staticmethod
def case_indicator(api_client):
return IndicatorTest(api_client)
@staticmethod
def case_intrusion_set(api_client):
return IntrusionSetTest(api_client)
@staticmethod
def case_kill_chain_phase(api_client):
return KillChainPhaseTest(api_client)
@staticmethod
def case_label(api_client):
return LabelTest(api_client)
@staticmethod
def case_location_city(api_client):
return LocationCityTest(api_client)
@staticmethod
def case_location_country(api_client):
return LocationCountryTest(api_client)
@staticmethod
def case_location_region(api_client):
return LocationRegionTest(api_client)
@staticmethod
def case_location_position(api_client):
return LocationPositionTest(api_client)
@staticmethod
def case_malware(api_client):
return MalwareTest(api_client)
@staticmethod
def case_malware_analysis(api_client):
return MalwareAnalysisTest(api_client)
@staticmethod
def case_marking_definition(api_client):
return MarkingDefinitionTest(api_client)
@staticmethod
def case_note(api_client):
return NoteTest(api_client)
@staticmethod
def case_observed_data(api_client):
return ObservedDataTest(api_client)
@staticmethod
def case_opinion(api_client):
return OpinionTest(api_client)
@staticmethod
def case_report(api_client):
return ReportTest(api_client)
@staticmethod
def case_relationship(api_client):
return StixCoreRelationshipTest(api_client)
@staticmethod
def case_stix_cyber_observable_ipv4(api_client):
return StixCyberObservableIPv4Test(api_client)
@staticmethod
def case_stix_cyber_observable_domain(api_client):
return StixCyberObservableDomainTest(api_client)
@staticmethod
def case_stix_cyber_observable_as(api_client):
return StixCyberObservableASTest(api_client)
@staticmethod
def case_stix_sighting_relationship(api_client):
return StixSightingRelationshipTest(api_client)
@staticmethod
def case_threat_actor_group(api_client):
return ThreatActorGroupTest(api_client)
@staticmethod
def case_threat_actor_individual(api_client):
return ThreatActorIndividualTest(api_client)
@staticmethod
def case_tool(api_client):
return ToolTest(api_client)
@staticmethod
def case_vulnerability(api_client):
return VulnerabilityTest(api_client)
@staticmethod
def case_data_component(api_client):
return DataComponentTest(api_client)
@staticmethod
def case_data_source(api_client):
return DataSourceTest(api_client)
@staticmethod
def case_feedback(api_client):
return FeedbackTest(api_client)
@staticmethod
def case_case_incident(api_client):
return CaseIncidentTest(api_client)
@staticmethod
def case_case_rfi(api_client):
return CaseRfiTest(api_client)
@staticmethod
def case_case_rft(api_client):
return CaseRftTest(api_client)
@staticmethod
def task(api_client):
return TaskTest(api_client)
class EntityTest:
def __init__(self, api_client):
self.api_client = api_client
def setup(self):
pass
def teardown(self):
pass
def data(self) -> Dict:
pass
def own_class(self):
pass
def relation_test(self):
return False
def base_class(self):
return self.api_client.stix_domain_object
def update_data(self) -> Dict[str, Union[str, int]]:
return {"description": "Test"}
def get_compare_exception_keys(self) -> List[str]:
return ["type", "update", "createdBy", "modified"]
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "name",
"values": self.data()["name"],
}
],
"filterGroups": [],
}
def stix_class(self):
pass
class IdentityTest(EntityTest):
def own_class(self):
return self.api_client.identity
class IdentityOrganizationTest(IdentityTest):
def data(self) -> Dict:
return {
"type": IdentityTypes.ORGANIZATION.value,
"name": "Testing Inc.",
"description": "OpenCTI Test Org",
}
class IdentityIndividualTest(IdentityTest):
def data(self) -> Dict:
return {
"type": IdentityTypes.INDIVIDUAL.value,
"name": "Jane Smith",
"description": "Mrs awesome",
}
class IdentitySectorTest(IdentityTest):
def data(self) -> Dict:
return {
"type": IdentityTypes.SECTOR.value,
"name": "Energetic",
"description": "The energetic sector",
}
class IdentitySystemTest(IdentityTest):
def data(self) -> Dict:
return {
"type": IdentityTypes.SYSTEM.value,
"name": "System A",
"description": "The system A",
}
class IndicatorTest(EntityTest):
def setup(self):
self.marking_definition_green = self.api_client.marking_definition.read(
id=TLP_GREEN["id"]
)
self.marking_definition_white = self.api_client.marking_definition.read(
id=TLP_WHITE["id"]
)
# Create the organization
self.organization = self.api_client.identity.create(
**IdentityOrganizationTest(self.api_client).data()
)
def data(self) -> Dict:
return {
"type": "indicator",
"name": "C2 server of the new campaign",
"description": "This is the C2 server of the campaign",
"pattern_type": "stix",
"pattern": "[domain-name:value = 'www.5z8.info' AND domain-name:resolves_to_refs[*].value = '198.51.100.1/32']",
"x_opencti_main_observable_type": "IPv4-Addr",
"confidence": 60,
"x_opencti_score": 80,
"x_opencti_detection": True,
"valid_from": get_incident_start_date(),
"valid_until": get_incident_end_date(),
"created": get_incident_start_date(),
"modified": get_incident_start_date(),
"createdBy": self.organization["id"],
"objectMarking": [
self.marking_definition_green["id"],
self.marking_definition_white["id"],
],
"update": True,
# TODO killchain phase
}
def get_compare_exception_keys(self) -> List[str]:
# indicator objects include extracted creators field
return ["type", "update", "createdBy", "modified", "creators"]
def teardown(self):
self.api_client.stix_domain_object.delete(id=self.organization["id"])
def own_class(self):
return self.api_client.indicator
class AttackPatternTest(EntityTest):
def data(self) -> Dict:
return {
"type": "attack-pattern",
"name": "Evil Pattern!",
# "x_mitre_id": "T1999",
"description": "Test Attack Pattern!",
}
def own_class(self):
return self.api_client.attack_pattern
def stix_class(self):
return AttackPattern
class CourseOfActionTest(EntityTest):
def data(self) -> Dict:
return {
"type": "CourseOfAction",
"name": "Evil Pattern",
"description": "Test Attack Pattern",
}
def own_class(self):
return self.api_client.course_of_action
class ExternalReferenceTest(EntityTest):
def data(self) -> Dict:
return {
"type": "ExternalReference",
"source_name": "veris",
"description": "Evil veris link",
"external_id": "001AA7F-C601-424A-B2B8-BE6C9F5164E7",
"url": "https://github.com/vz-risk/VCDB/blob/125307638178efddd3ecfe2c267ea434667a4eea/data/json/validated/0001AA7F-C601-424A-B2B8-BE6C9F5164E7.json",
}
def own_class(self):
return self.api_client.external_reference
def base_class(self):
return self.api_client.external_reference
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "external_id",
"values": self.data()["external_id"],
}
],
"filterGroups": [],
}
class CampaignTest(EntityTest):
def data(self) -> Dict:
return {
"type": "Campagin",
"name": "Green Group Attacks Against Finance",
"description": "Campaign by Green Group against a series of targets in the financial services sector.",
"aliases": ["GREENEVIL", "GREVIL"],
"confidence": 60,
"first_seen": get_incident_start_date(),
"last_seen": get_incident_end_date(),
"objective": "World dominance",
}
def own_class(self):
return self.api_client.campaign
class IncidentTest(EntityTest):
def data(self) -> Dict:
return {
"type": "Incident",
"name": "Green Group Attacks Against Finance",
"description": "Incident by Green Group against a targets in the financial services sector.",
"aliases": ["GREENEVIL", "GREVIL"],
"confidence": 60,
"created": get_incident_start_date(),
"first_seen": get_incident_start_date(),
"last_seen": get_incident_end_date(),
"objective": "World dominance",
}
def own_class(self):
return self.api_client.incident
class InfrastructureTest(EntityTest):
def data(self) -> Dict:
return {
"type": "Infrastructure",
"name": "Poison Ivy C2",
"description": "Poison Ivy C2 turning into C3",
"first_seen": get_incident_start_date(),
"last_seen": get_incident_end_date(),
"infrastructure_types": ["command-and-control"],
}
def own_class(self):
return self.api_client.infrastructure
class IntrusionSetTest(EntityTest):
def data(self) -> Dict:
return {
"type": "IntrusionSet",
"name": "Bobcat Breakin",
"description": "Incidents usually feature a shared TTP of a bobcat being released within the building containing network access, scaring users to leave their computers without locking them first. Still determining where the threat actors are getting the bobcats.",
"aliases": ["Zookeeper"],
"goals": ["acquisition-theft", "harassment", "damage"],
}
def own_class(self):
return self.api_client.intrusion_set
class KillChainPhaseTest(EntityTest):
def data(self) -> Dict:
return {
"type": "KillChainPhase",
"kill_chain_name": "foo",
"phase_name": "pre-attack",
}
def own_class(self):
return self.api_client.kill_chain_phase
def base_class(self):
return self.api_client.kill_chain_phase
def update_data(self) -> Dict[str, Union[str, int]]:
return {"kill_chain_name": "test"}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "kill_chain_name",
"values": self.data()["kill_chain_name"],
}
],
"filterGroups": [],
}
class LabelTest(EntityTest):
def data(self) -> Dict:
return {"type": "Label", "value": "fooaaa", "color": "#c3ff1a"}
def own_class(self):
return self.api_client.label
def base_class(self):
return self.api_client.label
def update_data(self) -> Dict[str, Union[str, int]]:
return {"color": "#c3ffbb"}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "value",
"values": self.data()["value"],
}
],
"filterGroups": [],
}
class LocationTest(EntityTest):
def own_class(self):
return self.api_client.location
def get_compare_exception_keys(self) -> List[str]:
return ["type", "update", "createdBy", "region"]
class LocationCityTest(LocationTest):
def data(self) -> Dict:
return {
"type": LocationTypes.CITY.value,
"name": "Mars",
"description": "A city",
"latitude": 48.8566,
"longitude": 2.3522,
# "country": "KR",
}
class LocationCountryTest(LocationTest):
def data(self) -> Dict:
return {
"type": LocationTypes.COUNTRY.value,
"name": "Mars",
"description": "A country",
"latitude": 48.8566,
"longitude": 2.3522,
"region": "northern-america",
"x_opencti_aliases": ["MRS"],
}
class LocationRegionTest(LocationTest):
def data(self) -> Dict:
return {
"type": LocationTypes.REGION.value,
"name": "Mars",
"description": "A Region",
"latitude": 48.8566,
"longitude": 2.3522,
}
class LocationPositionTest(LocationTest):
def data(self) -> Dict:
return {
"type": LocationTypes.POSITION.value,
"name": "CEO",
"description": "The janitor of everything",
}
class MalwareTest(EntityTest):
def data(self) -> Dict:
return {
"type": "Malware",
"name": "Cryptolocker_test",
"description": "A variant of the cryptolocker family",
"malware_types": ["ransomware"],
"is_family": False,
}
def own_class(self):
return self.api_client.malware
class MalwareAnalysisTest(EntityTest):
def data(self) -> Dict:
return {
"type": "MalwareAnalysis",
"result_name": "Analysis of Cryptolocker_test",
"product": "Wireshark",
"submitted": "2023-01-20T17:00:00.000Z",
"version": "0",
}
def own_class(self):
return self.api_client.malware_analysis
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "result_name",
"values": self.data()["result_name"],
}
],
"filterGroups": [],
}
def update_data(self) -> Dict[str, Union[str, int]]:
return {"version": "1.2.3"}
class MarkingDefinitionTest(EntityTest):
def data(self) -> Dict:
return {
"type": "MarkingDefinition",
"definition_type": "statement",
# TODO definition should be an array
"definition": "Copyright 2019, Example Corp",
}
def own_class(self):
return self.api_client.marking_definition
def base_class(self):
return self.api_client.marking_definition
def update_data(self) -> Dict[str, Union[str, int]]:
return {"definition": "Test"}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "definition",
"values": self.data()["definition"],
}
],
"filterGroups": [],
}
class NoteTest(EntityTest):
def data(self) -> Dict:
return {
"type": ContainerTypes.NOTE.value,
"abstract": "A very short note",
"content": "You would like to know that",
"confidence": 50,
"authors": ["you"],
"note_types": ["internal"],
"likelihood": 75,
# "lang": "en",
}
def own_class(self):
return self.api_client.note
def update_data(self) -> Dict[str, Union[str, int]]:
return {}
def get_compare_exception_keys(self) -> List[str]:
# changes between pycti and opencti naming
# abstract = attribute_abstract
return ["type", "update", "createdBy", "modified", "abstract"]
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "attribute_abstract",
"values": self.data()["abstract"],
}
],
"filterGroups": [],
}
class ObservedDataTest(EntityTest):
def setup(self):
self.ipv4 = self.api_client.stix_cyber_observable.create(
simple_observable_key="IPv4-Addr.value",
simple_observable_value="198.51.100.3",
)
self.domain = self.api_client.stix_cyber_observable.create(
simple_observable_key="Domain-Name.value",
simple_observable_value="example.com",
)
def data(self) -> Dict:
return {
"type": ContainerTypes.OBSERVED_DATA.value,
"first_observed": get_incident_start_date(),
"last_observed": get_incident_end_date(),
"number_observed": 50,
"objects": [self.ipv4["id"], self.domain["id"]],
}
def teardown(self):
self.api_client.stix_cyber_observable.delete(id=self.ipv4["id"])
self.api_client.stix_cyber_observable.delete(id=self.domain["id"])
def own_class(self):
return self.api_client.observed_data
def update_data(self) -> Dict[str, Union[str, int]]:
return {"number_observed": 30}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [],
"filterGroups": [],
}
class OpinionTest(EntityTest):
def data(self) -> Dict:
return {
"type": ContainerTypes.OPINION.value,
"opinion": "strongly-disagree",
"explanation": "This doesn't seem like it is feasible. We've seen how PandaCat has attacked Spanish infrastructure over the last 3 years, so this change in targeting seems too great to be viable. The methods used are more commonly associated with the FlameDragonCrew.",
"confidence": 50,
"authors": ["you"],
# "lang": "en",
}
def own_class(self):
return self.api_client.opinion
def update_data(self) -> Dict[str, Union[str, int]]:
# return {"explanation": "Test"}
return {}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "explanation",
"values": self.data()["explanation"],
}
],
"filterGroups": [],
}
class ReportTest(EntityTest):
def data(self) -> Dict:
return {
"type": ContainerTypes.REPORT.value,
"name": "The Black Vine Cyberespionage Group",
"description": "A simple report with an indicator and campaign",
"published": "2016-01-20T17:00:00.000Z",
"report_types": ["threat-report"],
# "lang": "en",
# "object_refs": [self.ipv4["id"], self.domain["id"]],
}
def own_class(self):
return self.api_client.report
class StixCoreRelationshipTest(EntityTest):
def setup(self):
self.incident = self.api_client.incident.create(
name="My new incident",
created=get_incident_start_date(),
description="We have been compromised",
objective="Espionage",
)
self.ttp1 = self.api_client.attack_pattern.create(
name="Password Filter DLL Mitigation",
description="Ensure only valid password filters are registered. Filter DLLs must be present in Windows installation directory (<code>C:\\Windows\\System32\\</code> by default) of a domain controller and/or local computer with a corresponding entry in <code>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\Notification Packages</code>. (Citation: Microsoft Install Password Filter n.d)",
x_mitre_id="T1174",
)
def data(self) -> Dict:
return {
"type": "StixCoreRelationship",
"fromId": self.incident["id"],
"toId": self.ttp1["id"],
"relationship_type": "uses",
"description": "We saw the attacker use Spearphishing Attachment.",
"start_date": get_incident_start_date(),
"stop_date": get_incident_end_date(),
# "lang": "en",
}
def own_class(self):
return self.api_client.stix_core_relationship
def base_class(self):
return self.api_client.stix_core_relationship
def teardown(self):
self.api_client.stix_domain_object.delete(id=self.incident["id"])
def get_compare_exception_keys(self) -> List[str]:
# changes between pycti and opencti naming
# fromId = from
# toId = to
# start_date = start_time
# stop_date = stop_time
return [
"type",
"update",
"createdBy",
"modified",
"fromId",
"toId",
"start_date",
"stop_date",
]
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [],
"filterGroups": [],
}
class StixNestedRefRelationshipTest(EntityTest):
def setup(self):
self.ipv4 = self.api_client.stix_cyber_observable.create(
simple_observable_key="IPv4-Addr.value",
simple_observable_value="198.51.100.3",
)
self.domain = self.api_client.stix_cyber_observable.create(
simple_observable_key="Domain-Name.value",
simple_observable_value="example.com",
)
def data(self) -> Dict:
return {
"fromId": self.domain["id"],
"toId": self.ipv4["id"],
"relationship_type": "related-to",
"description": "We saw the attacker use Spearphishing Attachment.",
"start_date": get_incident_start_date(),
"stop_date": get_incident_end_date(),
# "lang": "en",
# "object_refs": [self.ipv4["id"], self.domain["id"]],
}
def own_class(self):
return self.api_client.stix_nested_ref_relationship
def base_class(self):
return self.api_client.stix_nested_ref_relationship
def teardown(self):
self.api_client.stix_domain_object.delete(id=self.domain["id"])
self.api_client.stix_domain_object.delete(id=self.ipv4["id"])
def get_compare_exception_keys(self) -> List[str]:
# changes between pycti and opencti naming
# fromId = from
# toId = to
# start_date = start_time
# stop_date = stop_time
return [
"type",
"update",
"createdBy",
"modified",
"fromId",
"toId",
"start_date",
"stop_date",
]
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [],
"filterGroups": [],
}
class StixSightingRelationshipTest(EntityTest):
def setup(self):
self.ttp1 = self.api_client.attack_pattern.create(
name="Password Filter DLL Mitigation",
description="Ensure only valid password filters are registered. Filter DLLs must be present in Windows installation directory (<code>C:\\Windows\\System32\\</code> by default) of a domain controller and/or local computer with a corresponding entry in <code>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\Notification Packages</code>. (Citation: Microsoft Install Password Filter n.d)",
x_mitre_id="T1174",
)
self.location = self.api_client.location.create(
**{
"type": LocationTypes.COUNTRY.value,
"name": "Mars",
"description": "A city",
"latitude": 48.8566,
"longitude": 2.3522,
"region": "northern-america",
"country": "th",
"administrative_area": "Tak",
"postal_code": "63170",
},
)
def data(self) -> Dict:
return {
"fromId": self.ttp1["id"],
"toId": self.location["id"],
"description": "We saw the attacker use Spearphishing Attachment.",
"start_date": get_incident_start_date(),
"stop_date": get_incident_end_date(),
"count": 3,
# "lang": "en",
}
def own_class(self):
return self.api_client.stix_sighting_relationship
def base_class(self):
return self.api_client.stix_sighting_relationship
def teardown(self):
self.api_client.stix_domain_object.delete(id=self.location["id"])
def get_compare_exception_keys(self) -> List[str]:
# changes between pycti and opencti naming
# fromId = from
# toId = to
# start_date = start_time
# stop_date = stop_time
# count = attribute_count
return [
"type",
"update",
"createdBy",
"modified",
"fromId",
"toId",
"start_date",
"stop_date",
"count",
]
def get_filter(self) -> Dict[str, str]:
return {
# TODO figure out why this test fails
# "key": "description",
# "values": self.data()["description"],
}
class StixCyberObservableTest(EntityTest):
def own_class(self):
return self.api_client.stix_cyber_observable
def base_class(self):
return self.api_client.stix_cyber_observable
def update_data(self) -> Dict[str, Union[str, int]]:
return {"x_opencti_score": 50}
def get_compare_exception_keys(self) -> List[str]:
# changes between pycti and opencti naming
# fromId = from
# toId = to
# simple_observable_key = entity_type
# simple_observable_value = observable_value & value
# includes extracted creators field
return [
"type",
"update",
"creators",
"createdBy",
"modified",
"simple_observable_key",
"simple_observable_value",
]
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [
{
"key": "value",
"values": self.data()["simple_observable_value"],
}
],
"filterGroups": [],
}
class StixCyberObservableIPv4Test(StixCyberObservableTest):
def data(self) -> Dict:
return {
"simple_observable_key": "IPv4-Addr.value",
"simple_observable_value": "198.51.100.3",
"x_opencti_score": 30,
}
class StixCyberObservableDomainTest(StixCyberObservableTest):
def data(self) -> Dict:
return {
"simple_observable_key": "Domain-Name.value",
"simple_observable_value": "example.com",
"x_opencti_score": 30,
}
class StixCyberObservableASTest(StixCyberObservableTest):
def data(self) -> Dict:
return {
"simple_observable_key": "Autonomous-System.number",
"simple_observable_value": 1234,
"x_opencti_score": 30,
}
def get_filter(self) -> Dict[str, str]:
return {
"mode": "and",
"filters": [],
"filterGroups": [],
}
class ToolTest(EntityTest):
def data(self) -> Dict:
return {
"type": "Tool",
"description": "The Evil Org threat actor group",
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