mirror of https://github.com/MISP/PyMISP
363 lines
18 KiB
Python
363 lines
18 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import unittest
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import json
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import sys
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from io import BytesIO
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import glob
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import hashlib
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from datetime import date, datetime
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from pymisp import MISPEvent, MISPSighting, MISPTag, MISPOrganisation
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from pymisp.exceptions import InvalidMISPObject
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class TestMISPEvent(unittest.TestCase):
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def setUp(self):
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self.maxDiff = None
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self.mispevent = MISPEvent()
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def init_event(self):
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self.mispevent.info = 'This is a test'
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self.mispevent.distribution = 1
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self.mispevent.threat_level_id = 1
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self.mispevent.analysis = 1
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self.mispevent.set_date("2017-12-31") # test the set date method
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def test_simple(self):
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with open('tests/mispevent_testfiles/simple.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_event(self):
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self.init_event()
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self.mispevent.publish()
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with open('tests/mispevent_testfiles/event.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_loadfile(self):
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self.mispevent.load_file('tests/mispevent_testfiles/event.json')
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with open('tests/mispevent_testfiles/event.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_event_tag(self):
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self.init_event()
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self.mispevent.add_tag('bar')
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self.mispevent.add_tag(name='baz')
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new_tag = MISPTag()
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new_tag.from_dict(name='foo')
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self.mispevent.add_tag(new_tag)
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with open('tests/mispevent_testfiles/event_tags.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_attribute(self):
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self.init_event()
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a = self.mispevent.add_attribute('filename', 'bar.exe')
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del a.uuid
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a = self.mispevent.add_attribute_tag('osint', 'bar.exe')
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attr_tags = self.mispevent.get_attribute_tag('bar.exe')
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self.assertEqual(self.mispevent.attributes[0].tags[0].name, 'osint')
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self.assertEqual(attr_tags[0].name, 'osint')
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with open('tests/mispevent_testfiles/attribute.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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# Fake setting an attribute ID for testing
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self.mispevent.attributes[0].id = 42
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self.mispevent.delete_attribute(42)
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with open('tests/mispevent_testfiles/attribute_del.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_object_tag(self):
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self.mispevent.add_object(name='file', strict=True)
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a = self.mispevent.objects[0].add_attribute('filename', value='')
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self.assertEqual(a, None)
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a = self.mispevent.objects[0].add_attribute('filename', value=None)
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self.assertEqual(a, None)
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a = self.mispevent.objects[0].add_attribute('filename', value='bar', Tag=[{'name': 'blah'}])
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del a.uuid
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self.assertEqual(self.mispevent.objects[0].attributes[0].tags[0].name, 'blah')
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self.assertTrue(self.mispevent.objects[0].has_attributes_by_relation(['filename']))
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self.assertEqual(len(self.mispevent.objects[0].get_attributes_by_relation('filename')), 1)
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self.mispevent.add_object(name='url', strict=True)
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a = self.mispevent.objects[1].add_attribute('url', value='https://www.circl.lu')
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del a.uuid
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self.mispevent.objects[0].uuid = 'a'
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self.mispevent.objects[1].uuid = 'b'
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reference = self.mispevent.objects[0].add_reference(self.mispevent.objects[1], 'baz', comment='foo')
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del reference.uuid
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self.assertEqual(self.mispevent.objects[0].references[0].relationship_type, 'baz')
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with open('tests/mispevent_testfiles/event_obj_attr_tag.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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@unittest.skip("Not supported on MISP: https://github.com/MISP/MISP/issues/2638 - https://github.com/MISP/PyMISP/issues/168")
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def test_object_level_tag(self):
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self.mispevent.add_object(name='file', strict=True)
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self.mispevent.objects[0].add_attribute('filename', value='bar')
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self.mispevent.objects[0].add_tag('osint')
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self.mispevent.objects[0].uuid = 'a'
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with open('tests/mispevent_testfiles/event_obj_tag.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_malware(self):
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with open('tests/mispevent_testfiles/simple.json', 'rb') as f:
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pseudofile = BytesIO(f.read())
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self.init_event()
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a = self.mispevent.add_attribute('malware-sample', 'bar.exe', data=pseudofile)
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del a.uuid
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attribute = self.mispevent.attributes[0]
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self.assertEqual(attribute.malware_binary, pseudofile)
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with open('tests/mispevent_testfiles/malware.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_existing_malware(self):
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self.mispevent.load_file('tests/mispevent_testfiles/malware_exist.json')
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with open('tests/mispevent_testfiles/simple.json', 'rb') as f:
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pseudofile = BytesIO(f.read())
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self.assertEqual(
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self.mispevent.objects[0].get_attributes_by_relation('malware-sample')[0].malware_binary.read(),
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pseudofile.read())
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def test_sighting(self):
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sighting = MISPSighting()
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sighting.from_dict(value='1', type='bar', timestamp=11111111)
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with open('tests/mispevent_testfiles/sighting.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(sighting.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_existing_event(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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with open('tests/mispevent_testfiles/existing_event.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_shadow_attributes_existing(self):
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self.mispevent.load_file('tests/mispevent_testfiles/shadow.json')
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with open('tests/mispevent_testfiles/shadow.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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@unittest.skip("Not supported on MISP.")
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def test_shadow_attributes(self):
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self.init_event()
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p = self.mispevent.add_proposal(type='filename', value='baz.jpg')
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del p.uuid
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a = self.mispevent.add_attribute('filename', 'bar.exe')
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del a.uuid
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p = self.mispevent.attributes[0].add_proposal(type='filename', value='bar.pdf')
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del p.uuid
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with open('tests/mispevent_testfiles/proposals.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_default_attributes(self):
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self.mispevent.add_object(name='file', strict=True)
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a = self.mispevent.objects[0].add_attribute('filename', value='bar', Tag=[{'name': 'blah'}])
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del a.uuid
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a = self.mispevent.objects[0].add_attribute('pattern-in-file', value='baz')
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self.assertEqual(a.category, 'Artifacts dropped')
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del a.uuid
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self.mispevent.add_object(name='file', strict=False, default_attributes_parameters=self.mispevent.objects[0].attributes[0])
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a = self.mispevent.objects[1].add_attribute('filename', value='baz')
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del a.uuid
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self.mispevent.objects[0].uuid = 'a'
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self.mispevent.objects[1].uuid = 'b'
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with open('tests/mispevent_testfiles/event_obj_def_param.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_obj_default_values(self):
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self.init_event()
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self.mispevent.add_object(name='whois', strict=True)
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a = self.mispevent.objects[0].add_attribute('registrar', value='registar.example.com')
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del a.uuid
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a = self.mispevent.objects[0].add_attribute('domain', value='domain.example.com')
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del a.uuid
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a = self.mispevent.objects[0].add_attribute('nameserver', value='ns1.example.com')
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del a.uuid
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a = self.mispevent.objects[0].add_attribute('nameserver', value='ns2.example.com', disable_correlation=False, to_ids=True, category='External analysis')
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del a.uuid
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self.mispevent.objects[0].uuid = 'a'
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with open('tests/mispevent_testfiles/def_param.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_event_not_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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def test_event_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.mispevent.info = 'blah'
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self.assertTrue(self.mispevent.edited)
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def test_event_tag_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.add_tag('foo')
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self.assertTrue(self.mispevent.edited)
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def test_event_attribute_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.mispevent.attributes[0].value = 'blah'
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self.assertTrue(self.mispevent.attributes[0].edited)
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self.assertFalse(self.mispevent.attributes[1].edited)
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self.assertTrue(self.mispevent.edited)
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def test_event_attribute_tag_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.attributes[0].tags[0].name = 'blah'
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self.assertTrue(self.mispevent.attributes[0].tags[0].edited)
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self.assertFalse(self.mispevent.attributes[0].tags[1].edited)
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self.assertTrue(self.mispevent.attributes[0].edited)
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self.assertTrue(self.mispevent.edited)
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def test_event_attribute_tag_edited_second(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.attributes[0].add_tag(name='blah')
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self.assertTrue(self.mispevent.attributes[0].edited)
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self.assertTrue(self.mispevent.edited)
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def test_event_object_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.objects[0].comment = 'blah'
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self.assertTrue(self.mispevent.objects[0].edited)
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self.assertFalse(self.mispevent.objects[1].edited)
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self.assertTrue(self.mispevent.edited)
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def test_event_object_attribute_edited(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.objects[0].attributes[0].comment = 'blah'
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self.assertTrue(self.mispevent.objects[0].attributes[0].edited)
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self.assertTrue(self.mispevent.objects[0].edited)
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self.assertTrue(self.mispevent.edited)
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def test_event_object_attribute_edited_tag(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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self.assertFalse(self.mispevent.edited)
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self.mispevent.objects[0].attributes[0].add_tag('blah')
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self.assertTrue(self.mispevent.objects[0].attributes[0].edited)
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self.assertTrue(self.mispevent.objects[0].edited)
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self.assertTrue(self.mispevent.edited)
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with open('tests/mispevent_testfiles/existing_event_edited.json', 'r') as f:
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ref_json = json.load(f)
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_obj_by_id(self):
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self.mispevent.load_file('tests/mispevent_testfiles/existing_event.json')
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misp_obj = self.mispevent.get_object_by_id(1556)
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self.assertEqual(misp_obj.uuid, '5a3cd604-e11c-4de5-bbbf-c170950d210f')
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def test_userdefined_object(self):
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self.init_event()
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self.mispevent.add_object(name='test_object_template', strict=True, misp_objects_path_custom='tests/mispevent_testfiles')
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with self.assertRaises(InvalidMISPObject) as e:
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# Fail on required
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self.mispevent.to_json(sort_keys=True, indent=2)
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if sys.version_info >= (3, ):
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self.assertEqual(e.exception.message, '{\'member3\'} are required.')
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else:
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# Python2 bullshit
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self.assertEqual(e.exception.message, 'set([u\'member3\']) are required.')
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a = self.mispevent.objects[0].add_attribute('member3', value='foo')
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del a.uuid
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with self.assertRaises(InvalidMISPObject) as e:
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# Fail on requiredOneOf
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self.mispevent.to_json(sort_keys=True, indent=2)
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self.assertEqual(e.exception.message, 'At least one of the following attributes is required: member1, member2')
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a = self.mispevent.objects[0].add_attribute('member1', value='bar')
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del a.uuid
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a = self.mispevent.objects[0].add_attribute('member1', value='baz')
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del a.uuid
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with self.assertRaises(InvalidMISPObject) as e:
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# member1 is not a multiple
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self.mispevent.to_json(sort_keys=True, indent=2)
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self.assertEqual(e.exception.message, 'Multiple occurrences of member1 is not allowed')
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self.mispevent.objects[0].attributes = self.mispevent.objects[0].attributes[:2]
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self.mispevent.objects[0].uuid = 'a'
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with open('tests/mispevent_testfiles/misp_custom_obj.json', 'r') as f:
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ref_json = json.load(f)
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del self.mispevent.uuid
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self.assertEqual(self.mispevent.to_json(sort_keys=True, indent=2), json.dumps(ref_json, sort_keys=True, indent=2))
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def test_first_last_seen(self):
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me = MISPEvent()
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me.info = 'Test First and Last Seen'
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me.date = '2020.01.12'
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self.assertEqual(me.date.day, 12)
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me.add_attribute('ip-dst', '8.8.8.8', first_seen='06-21-1998', last_seen=1580213607.469571)
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self.assertEqual(me.attributes[0].first_seen.year, 1998)
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self.assertEqual(me.attributes[0].last_seen.year, 2020)
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now = datetime.now().astimezone()
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me.attributes[0].last_seen = now
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today = date.today()
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me.attributes[0].first_seen = today
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self.assertEqual(me.attributes[0].first_seen.year, today.year)
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self.assertEqual(me.attributes[0].last_seen, now)
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def test_feed(self):
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me = MISPEvent()
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me.info = 'Test feed'
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org = MISPOrganisation()
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org.name = 'TestOrg'
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org.uuid = '123478'
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me.Orgc = org
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me.add_attribute('ip-dst', '8.8.8.8')
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obj = me.add_object(name='file')
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obj.add_attributes('filename', *['foo.exe', 'bar.exe'])
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h = hashlib.new('md5')
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h.update(b'8.8.8.8')
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hash_attr_val = h.hexdigest()
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feed = me.to_feed(with_meta=True)
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self.assertEqual(feed['Event']['_hashes'][0], hash_attr_val)
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self.assertEqual(feed['Event']['_manifest'][me.uuid]['info'], 'Test feed')
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self.assertEqual(len(feed['Event']['Object'][0]['Attribute']), 2)
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def test_object_templates(self):
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me = MISPEvent()
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for template in glob.glob(str(me.misp_objects_path / '*' / 'definition.json')):
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with open(template) as f:
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t_json = json.load(f)
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if 'requiredOneOf' in t_json:
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obj_relations = set(t_json['attributes'].keys())
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subset = set(t_json['requiredOneOf']).issubset(obj_relations)
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self.assertTrue(subset, f'{t_json["name"]}')
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if 'required' in t_json:
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obj_relations = set(t_json['attributes'].keys())
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subset = set(t_json['required']).issubset(obj_relations)
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self.assertTrue(subset, f'{t_json["name"]}')
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for obj_relation, entry in t_json['attributes'].items():
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self.assertTrue(entry['misp-attribute'] in me.describe_types['types'])
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if 'categories' in entry:
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subset = set(entry['categories']).issubset(me.describe_types['categories'])
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self.assertTrue(subset, f'{t_json["name"]} - {obj_relation}')
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if __name__ == '__main__':
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unittest.main()
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