cti-python-stix2/stix2/test/v21/test_infrastructure.py

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import datetime as dt
import pytest
import pytz
import stix2
from .constants import FAKE_TIME, INFRASTRUCTURE_ID, INFRASTRUCTURE_KWARGS
EXPECTED_INFRASTRUCTURE = """{
"type": "infrastructure",
"spec_version": "2.1",
"id": "infrastructure--3000ae1b-784c-f03d-8abc-0a625b2ff018",
"created": "2017-01-01T12:34:56.000Z",
"modified": "2017-01-01T12:34:56.000Z",
"name": "Poison Ivy C2",
"infrastructure_types": [
"command-and-control"
]
}"""
def test_infrastructure_with_all_required_properties():
now = dt.datetime(2017, 1, 1, 12, 34, 56, tzinfo=pytz.utc)
infra = stix2.v21.Infrastructure(
type="infrastructure",
id=INFRASTRUCTURE_ID,
created=now,
modified=now,
name="Poison Ivy C2",
infrastructure_types=["command-and-control"],
)
assert str(infra) == EXPECTED_INFRASTRUCTURE
def test_infrastructure_autogenerated_properties(infrastructure):
assert infrastructure.type == 'infrastructure'
assert infrastructure.id == 'infrastructure--00000000-0000-4000-8000-000000000001'
assert infrastructure.created == FAKE_TIME
assert infrastructure.modified == FAKE_TIME
assert infrastructure.infrastructure_types == ['command-and-control']
assert infrastructure.name == "Poison Ivy C2"
assert infrastructure['type'] == 'infrastructure'
assert infrastructure['id'] == 'infrastructure--00000000-0000-4000-8000-000000000001'
assert infrastructure['created'] == FAKE_TIME
assert infrastructure['modified'] == FAKE_TIME
assert infrastructure['infrastructure_types'] == ['command-and-control']
assert infrastructure['name'] == "Poison Ivy C2"
def test_infrastructure_type_must_be_infrastructure():
with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
stix2.v21.Infrastructure(type='xxx', **INFRASTRUCTURE_KWARGS)
assert excinfo.value.cls == stix2.v21.Infrastructure
assert excinfo.value.prop_name == "type"
assert excinfo.value.reason == "must equal 'infrastructure'."
assert str(excinfo.value) == "Invalid value for Infrastructure 'type': must equal 'infrastructure'."
def test_infrastructure_id_must_start_with_infrastructure():
with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
stix2.v21.Infrastructure(id='my-prefix--', **INFRASTRUCTURE_KWARGS)
assert excinfo.value.cls == stix2.v21.Infrastructure
assert excinfo.value.prop_name == "id"
assert excinfo.value.reason == "must start with 'infrastructure--'."
assert str(excinfo.value) == "Invalid value for Infrastructure 'id': must start with 'infrastructure--'."
def test_infrastructure_required_properties():
with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
stix2.v21.Infrastructure()
assert excinfo.value.cls == stix2.v21.Infrastructure
assert excinfo.value.properties == ["infrastructure_types", "name"]
def test_infrastructure_required_property_name():
with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
stix2.v21.Infrastructure(infrastructure_types=['command-and-control'])
assert excinfo.value.cls == stix2.v21.Infrastructure
assert excinfo.value.properties == ["name"]
def test_invalid_kwarg_to_infrastructure():
with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo:
stix2.v21.Infrastructure(my_custom_property="foo", **INFRASTRUCTURE_KWARGS)
assert excinfo.value.cls == stix2.v21.Infrastructure
assert excinfo.value.properties == ['my_custom_property']
assert str(excinfo.value) == "Unexpected properties for Infrastructure: (my_custom_property)."
@pytest.mark.parametrize(
"data", [
EXPECTED_INFRASTRUCTURE,
{
"type": "infrastructure",
"spec_version": "2.1",
"id": INFRASTRUCTURE_ID,
"created": "2017-01-01T12:34:56.000Z",
"modified": "2017-01-01T12:34:56.000Z",
"infrastructure_types": ["command-and-control"],
"name": "Poison Ivy C2",
},
],
)
def test_parse_infrastructure(data):
infra = stix2.parse(data)
assert infra.type == 'infrastructure'
assert infra.spec_version == '2.1'
assert infra.id == INFRASTRUCTURE_ID
assert infra.created == dt.datetime(2017, 1, 1, 12, 34, 56, tzinfo=pytz.utc)
assert infra.modified == dt.datetime(2017, 1, 1, 12, 34, 56, tzinfo=pytz.utc)
assert infra.infrastructure_types == ['command-and-control']
assert infra.name == 'Poison Ivy C2'
def test_parse_infrastructure_kill_chain_phases():
kill_chain = """
"kill_chain_phases": [
{
"kill_chain_name": "lockheed-martin-cyber-kill-chain",
"phase_name": "reconnaissance"
}
]"""
data = EXPECTED_INFRASTRUCTURE.replace('infrastructure"', 'infrastructure",%s' % kill_chain)
infra = stix2.parse(data, version="2.1")
assert infra.kill_chain_phases[0].kill_chain_name == "lockheed-martin-cyber-kill-chain"
assert infra.kill_chain_phases[0].phase_name == "reconnaissance"
assert infra['kill_chain_phases'][0]['kill_chain_name'] == "lockheed-martin-cyber-kill-chain"
assert infra['kill_chain_phases'][0]['phase_name'] == "reconnaissance"
def test_parse_infrastructure_clean_kill_chain_phases():
kill_chain = """
"kill_chain_phases": [
{
"kill_chain_name": "lockheed-martin-cyber-kill-chain",
"phase_name": 1
}
]"""
data = EXPECTED_INFRASTRUCTURE.replace('2.1"', '2.1",%s' % kill_chain)
infra = stix2.parse(data, version="2.1")
assert infra['kill_chain_phases'][0]['phase_name'] == "1"
def test_infrastructure_invalid_last_before_first():
with pytest.raises(ValueError) as excinfo:
stix2.v21.Infrastructure(first_seen="2017-01-01T12:34:56.000Z", last_seen="2017-01-01T12:33:56.000Z", **INFRASTRUCTURE_KWARGS)
assert "'last_seen' must be greater than or equal to 'first_seen'" in str(excinfo.value)