330 lines
10 KiB
Python
330 lines
10 KiB
Python
import os
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import pytest
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import stix2
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from stix2.workbench import (AttackPattern, Campaign, CourseOfAction,
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ExternalReference, FileSystemSource, Filter,
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Identity, Indicator, IntrusionSet, Malware,
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MarkingDefinition, ObservedData, Relationship,
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Report, StatementMarking, ThreatActor, Tool,
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Vulnerability, add_data_source, all_versions,
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attack_patterns, campaigns, courses_of_action,
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create, get, identities, indicators,
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intrusion_sets, malware, observed_data, query,
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reports, save, set_default_created,
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set_default_creator, set_default_external_refs,
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set_default_object_marking_refs, threat_actors,
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tools, vulnerabilities)
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from .constants import (ATTACK_PATTERN_ID, ATTACK_PATTERN_KWARGS, CAMPAIGN_ID,
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CAMPAIGN_KWARGS, COURSE_OF_ACTION_ID,
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COURSE_OF_ACTION_KWARGS, IDENTITY_ID, IDENTITY_KWARGS,
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INDICATOR_ID, INDICATOR_KWARGS, INTRUSION_SET_ID,
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INTRUSION_SET_KWARGS, MALWARE_ID, MALWARE_KWARGS,
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OBSERVED_DATA_ID, OBSERVED_DATA_KWARGS, REPORT_ID,
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REPORT_KWARGS, THREAT_ACTOR_ID, THREAT_ACTOR_KWARGS,
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TOOL_ID, TOOL_KWARGS, VULNERABILITY_ID,
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VULNERABILITY_KWARGS)
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_environment():
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# Create a STIX object
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ind = create(Indicator, id=INDICATOR_ID, **INDICATOR_KWARGS)
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save(ind)
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resp = get(INDICATOR_ID)
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assert resp['labels'][0] == 'malicious-activity'
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resp = all_versions(INDICATOR_ID)
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assert len(resp) == 1
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# Search on something other than id
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q = [Filter('type', '=', 'vulnerability')]
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resp = query(q)
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assert len(resp) == 0
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def test_workbench_get_all_attack_patterns():
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mal = AttackPattern(id=ATTACK_PATTERN_ID, **ATTACK_PATTERN_KWARGS)
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save(mal)
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resp = attack_patterns()
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assert len(resp) == 1
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assert resp[0].id == ATTACK_PATTERN_ID
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def test_workbench_get_all_campaigns():
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cam = Campaign(id=CAMPAIGN_ID, **CAMPAIGN_KWARGS)
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save(cam)
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resp = campaigns()
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assert len(resp) == 1
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assert resp[0].id == CAMPAIGN_ID
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def test_workbench_get_all_courses_of_action():
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coa = CourseOfAction(id=COURSE_OF_ACTION_ID, **COURSE_OF_ACTION_KWARGS)
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save(coa)
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resp = courses_of_action()
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assert len(resp) == 1
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assert resp[0].id == COURSE_OF_ACTION_ID
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def test_workbench_get_all_identities():
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idty = Identity(id=IDENTITY_ID, **IDENTITY_KWARGS)
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save(idty)
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resp = identities()
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assert len(resp) == 1
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assert resp[0].id == IDENTITY_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_get_all_indicators():
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resp = indicators()
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assert len(resp) == 1
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assert resp[0].id == INDICATOR_ID
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def test_workbench_get_all_intrusion_sets():
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ins = IntrusionSet(id=INTRUSION_SET_ID, **INTRUSION_SET_KWARGS)
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save(ins)
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resp = intrusion_sets()
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assert len(resp) == 1
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assert resp[0].id == INTRUSION_SET_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_get_all_malware():
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mal = Malware(id=MALWARE_ID, **MALWARE_KWARGS)
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save(mal)
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resp = malware()
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assert len(resp) == 1
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assert resp[0].id == MALWARE_ID
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def test_workbench_get_all_observed_data():
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od = ObservedData(id=OBSERVED_DATA_ID, **OBSERVED_DATA_KWARGS)
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save(od)
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resp = observed_data()
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assert len(resp) == 1
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assert resp[0].id == OBSERVED_DATA_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_get_all_reports():
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rep = Report(id=REPORT_ID, **REPORT_KWARGS)
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save(rep)
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resp = reports()
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assert len(resp) == 1
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assert resp[0].id == REPORT_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_get_all_threat_actors():
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thr = ThreatActor(id=THREAT_ACTOR_ID, **THREAT_ACTOR_KWARGS)
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save(thr)
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resp = threat_actors()
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assert len(resp) == 1
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assert resp[0].id == THREAT_ACTOR_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_get_all_tools():
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tool = Tool(id=TOOL_ID, **TOOL_KWARGS)
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save(tool)
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resp = tools()
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assert len(resp) == 1
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assert resp[0].id == TOOL_ID
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def test_workbench_get_all_vulnerabilities():
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vuln = Vulnerability(id=VULNERABILITY_ID, **VULNERABILITY_KWARGS)
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save(vuln)
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resp = vulnerabilities()
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assert len(resp) == 1
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assert resp[0].id == VULNERABILITY_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_add_to_bundle():
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vuln = Vulnerability(**VULNERABILITY_KWARGS)
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bundle = stix2.v20.Bundle(vuln)
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assert bundle.objects[0].name == 'Heartbleed'
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_relationships():
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rel = Relationship(INDICATOR_ID, 'indicates', MALWARE_ID)
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save(rel)
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ind = get(INDICATOR_ID)
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resp = ind.relationships()
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assert len(resp) == 1
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assert resp[0].relationship_type == 'indicates'
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assert resp[0].source_ref == INDICATOR_ID
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assert resp[0].target_ref == MALWARE_ID
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def test_workbench_created_by():
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intset = IntrusionSet(name="Breach 123", created_by_ref=IDENTITY_ID)
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save(intset)
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creator = intset.created_by()
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assert creator.id == IDENTITY_ID
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_related():
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rel1 = Relationship(MALWARE_ID, 'targets', IDENTITY_ID)
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rel2 = Relationship(CAMPAIGN_ID, 'uses', MALWARE_ID)
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save([rel1, rel2])
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resp = get(MALWARE_ID).related()
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assert len(resp) == 3
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assert any(x['id'] == CAMPAIGN_ID for x in resp)
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assert any(x['id'] == INDICATOR_ID for x in resp)
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assert any(x['id'] == IDENTITY_ID for x in resp)
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resp = get(MALWARE_ID).related(relationship_type='indicates')
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assert len(resp) == 1
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_workbench_related_with_filters():
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malware = Malware(labels=["ransomware"], name="CryptorBit", created_by_ref=IDENTITY_ID)
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rel = Relationship(malware.id, 'variant-of', MALWARE_ID)
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save([malware, rel])
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filters = [Filter('created_by_ref', '=', IDENTITY_ID)]
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resp = get(MALWARE_ID).related(filters=filters)
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assert len(resp) == 1
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assert resp[0].name == malware.name
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assert resp[0].created_by_ref == IDENTITY_ID
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# filters arg can also be single filter
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resp = get(MALWARE_ID).related(filters=filters[0])
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assert len(resp) == 1
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_add_data_source():
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fs_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "stix2_data")
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fs = FileSystemSource(fs_path)
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add_data_source(fs)
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resp = tools()
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assert len(resp) == 3
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resp_ids = [tool.id for tool in resp]
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assert TOOL_ID in resp_ids
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assert 'tool--03342581-f790-4f03-ba41-e82e67392e23' in resp_ids
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assert 'tool--242f3da3-4425-4d11-8f5c-b842886da966' in resp_ids
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_additional_filter():
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resp = tools(Filter('created_by_ref', '=', 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5'))
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assert len(resp) == 2
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@pytest.mark.skip(reason='The workbench is not working correctly for 2.0')
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def test_additional_filters_list():
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resp = tools([Filter('created_by_ref', '=', 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5'),
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Filter('name', '=', 'Windows Credential Editor')])
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assert len(resp) == 1
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def test_default_creator():
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set_default_creator(IDENTITY_ID)
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campaign = Campaign(**CAMPAIGN_KWARGS)
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assert 'created_by_ref' not in CAMPAIGN_KWARGS
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assert campaign.created_by_ref == IDENTITY_ID
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def test_default_created_timestamp():
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timestamp = "2018-03-19T01:02:03.000Z"
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set_default_created(timestamp)
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campaign = Campaign(**CAMPAIGN_KWARGS)
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assert 'created' not in CAMPAIGN_KWARGS
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assert stix2.utils.format_datetime(campaign.created) == timestamp
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assert stix2.utils.format_datetime(campaign.modified) == timestamp
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def test_default_external_refs():
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ext_ref = ExternalReference(source_name="ACME Threat Intel",
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description="Threat report")
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set_default_external_refs(ext_ref)
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campaign = Campaign(**CAMPAIGN_KWARGS)
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assert campaign.external_references[0].source_name == "ACME Threat Intel"
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assert campaign.external_references[0].description == "Threat report"
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def test_default_object_marking_refs():
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stmt_marking = StatementMarking("Copyright 2016, Example Corp")
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mark_def = MarkingDefinition(definition_type="statement",
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definition=stmt_marking)
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set_default_object_marking_refs(mark_def)
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campaign = Campaign(**CAMPAIGN_KWARGS)
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assert campaign.object_marking_refs[0] == mark_def.id
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def test_workbench_custom_property_object_in_observable_extension():
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ntfs = stix2.v20.NTFSExt(
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allow_custom=True,
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sid=1,
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x_foo='bar',
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)
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artifact = stix2.v20.File(
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name='test',
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extensions={'ntfs-ext': ntfs},
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)
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observed_data = ObservedData(
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allow_custom=True,
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first_observed="2015-12-21T19:00:00Z",
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last_observed="2015-12-21T19:00:00Z",
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number_observed=0,
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objects={"0": artifact},
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)
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assert observed_data.objects['0'].extensions['ntfs-ext'].x_foo == "bar"
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assert '"x_foo": "bar"' in str(observed_data)
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def test_workbench_custom_property_dict_in_observable_extension():
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artifact = stix2.v20.File(
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allow_custom=True,
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name='test',
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extensions={
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'ntfs-ext': {
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'allow_custom': True,
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'sid': 1,
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'x_foo': 'bar',
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}
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},
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)
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observed_data = ObservedData(
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allow_custom=True,
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first_observed="2015-12-21T19:00:00Z",
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last_observed="2015-12-21T19:00:00Z",
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number_observed=0,
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objects={"0": artifact},
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)
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assert observed_data.objects['0'].extensions['ntfs-ext'].x_foo == "bar"
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assert '"x_foo": "bar"' in str(observed_data)
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