1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the knowledge base."""
from __future__ import unicode_literals
import unittest
from plaso.containers import artifacts
from plaso.engine import knowledge_base
from tests import test_lib as shared_test_lib
class KnowledgeBaseTest(shared_test_lib.BaseTestCase):
"""Tests for the knowledge base."""
# pylint: disable=protected-access
_MACOS_PATHS = [
'/Users/dude/Library/Application Data/Google/Chrome/Default/Extensions',
('/Users/dude/Library/Application Data/Google/Chrome/Default/Extensions/'
'apdfllckaahabafndbhieahigkjlhalf'),
'/private/var/log/system.log',
'/Users/frank/Library/Application Data/Google/Chrome/Default',
'/Users/hans/Library/Application Data/Google/Chrome/Default',
('/Users/frank/Library/Application Data/Google/Chrome/Default/'
'Extensions/pjkljhegncpnkpknbcohdijeoejaedia'),
'/Users/frank/Library/Application Data/Google/Chrome/Default/Extensions']
_MACOS_USERS = [
{'name': 'root', 'path': '/var/root', 'sid': '0'},
{'name': 'frank', 'path': '/Users/frank', 'sid': '4052'},
{'name': 'hans', 'path': '/Users/hans', 'sid': '4352'},
{'name': 'dude', 'path': '/Users/dude', 'sid': '1123'}]
_WINDOWS_PATHS = [
'C:\\Users\\Dude\\SomeFolder\\Chrome\\Default\\Extensions',
('C:\\Users\\Dude\\SomeNoneStandardFolder\\Chrome\\Default\\Extensions\\'
'hmjkmjkepdijhoojdojkdfohbdgmmhki'),
('C:\\Users\\frank\\AppData\\Local\\Google\\Chrome\\Extensions\\'
'blpcfgokakmgnkcojhhkbfbldkacnbeo'),
'C:\\Users\\frank\\AppData\\Local\\Google\\Chrome\\Extensions',
('C:\\Users\\frank\\AppData\\Local\\Google\\Chrome\\Extensions\\'
'icppfcnhkcmnfdhfhphakoifcfokfdhg'),
'C:\\Windows\\System32',
'C:\\Stuff/with path separator\\Folder']
_WINDOWS_USERS = [
{'name': 'dude', 'path': 'C:\\Users\\dude', 'sid': 'S-1'},
{'name': 'frank', 'path': 'C:\\Users\\frank', 'sid': 'S-2'}]
def _SetUserAccounts(self, knowledge_base_object, users):
"""Sets the user accounts in the knowledge base.
Args:
knowledge_base_object (KnowledgeBase): knowledge base.
users (list[dict[str,str])): users.
"""
for user in users:
identifier = user.get('sid', user.get('uid', None))
if not identifier:
continue
user_account = artifacts.UserAccountArtifact(
identifier=identifier, user_directory=user.get('path', None),
username=user.get('name', None))
knowledge_base_object.AddUserAccount(user_account)
def testCodepageProperty(self):
"""Tests the codepage property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.codepage, 'cp1252')
def testHostnameProperty(self):
"""Tests the hostname property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.hostname, '')
def testOperatingSystemProperty(self):
"""Tests the operating_system property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
operating_system = knowledge_base_object.GetValue('operating_system')
self.assertIsNone(operating_system)
knowledge_base_object.SetValue('operating_system', 'Windows')
operating_system = knowledge_base_object.GetValue('operating_system')
self.assertEqual(operating_system, 'Windows')
def testTimezoneProperty(self):
"""Tests the timezone property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.timezone.zone, 'UTC')
def testUserAccountsProperty(self):
"""Tests the user accounts property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(len(knowledge_base_object.user_accounts), 0)
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
self.assertEqual(len(knowledge_base_object.user_accounts), 1)
def testYearProperty(self):
"""Tests the year property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.year, 0)
def testAddUserAccount(self):
"""Tests the AddUserAccount function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
with self.assertRaises(KeyError):
knowledge_base_object.AddUserAccount(user_account)
def testAddEnvironmentVariable(self):
"""Tests the AddEnvironmentVariable function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
with self.assertRaises(KeyError):
knowledge_base_object.AddEnvironmentVariable(environment_variable)
def testGetEnvironmentVariable(self):
"""Tests the GetEnvironmentVariable functions."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'SystemRoot')
self.assertIsNotNone(test_environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'sYsTeMrOoT')
self.assertIsNotNone(test_environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'Bogus')
self.assertIsNone(test_environment_variable)
def testGetEnvironmentVariables(self):
"""Tests the GetEnvironmentVariables function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='WinDir', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
environment_variables = knowledge_base_object.GetEnvironmentVariables()
self.assertEqual(len(environment_variables), 2)
def testGetHostname(self):
"""Tests the GetHostname function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname = knowledge_base_object.GetHostname()
self.assertEqual(hostname, '')
# TODO: add tests for GetMountPoint.
def testGetSourceConfigurationArtifacts(self):
"""Tests the GetSourceConfigurationArtifacts function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname_artifact = artifacts.HostnameArtifact(name='myhost.mydomain')
knowledge_base_object.SetHostname(hostname_artifact)
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
source_configurations = (
knowledge_base_object.GetSourceConfigurationArtifacts())
self.assertEqual(len(source_configurations), 1)
self.assertIsNotNone(source_configurations[0])
system_configuration = source_configurations[0].system_configuration
self.assertIsNotNone(system_configuration)
self.assertIsNotNone(system_configuration.hostname)
self.assertEqual(system_configuration.hostname.name, 'myhost.mydomain')
def testGetSystemConfigurationArtifact(self):
"""Tests the _GetSystemConfigurationArtifact function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname_artifact = artifacts.HostnameArtifact(name='myhost.mydomain')
knowledge_base_object.SetHostname(hostname_artifact)
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
system_configuration = (
knowledge_base_object._GetSystemConfigurationArtifact())
self.assertIsNotNone(system_configuration)
self.assertIsNotNone(system_configuration.hostname)
self.assertEqual(system_configuration.hostname.name, 'myhost.mydomain')
# TODO: add tests for GetTextPrepend.
def testGetUsernameByIdentifier(self):
"""Tests the GetUsernameByIdentifier function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
usename = knowledge_base_object.GetUsernameByIdentifier('1000')
self.assertEqual(usename, 'testuser')
usename = knowledge_base_object.GetUsernameByIdentifier(1000)
self.assertEqual(usename, '')
usename = knowledge_base_object.GetUsernameByIdentifier('1001')
self.assertEqual(usename, '')
def testGetUsernameForPath(self):
"""Tests the GetUsernameForPath function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self._SetUserAccounts(knowledge_base_object, self._MACOS_USERS)
username = knowledge_base_object.GetUsernameForPath(
self._MACOS_PATHS[0])
self.assertEqual(username, 'dude')
username = knowledge_base_object.GetUsernameForPath(
self._MACOS_PATHS[4])
self.assertEqual(username, 'hans')
username = knowledge_base_object.GetUsernameForPath(
self._WINDOWS_PATHS[0])
self.assertIsNone(username)
knowledge_base_object = knowledge_base.KnowledgeBase()
self._SetUserAccounts(knowledge_base_object, self._WINDOWS_USERS)
username = knowledge_base_object.GetUsernameForPath(
self._WINDOWS_PATHS[0])
self.assertEqual(username, 'dude')
username = knowledge_base_object.GetUsernameForPath(
self._WINDOWS_PATHS[2])
self.assertEqual(username, 'frank')
username = knowledge_base_object.GetUsernameForPath(
self._MACOS_PATHS[2])
self.assertIsNone(username)
def testGetSetValue(self):
"""Tests the Get and SetValue functions."""
knowledge_base_object = knowledge_base.KnowledgeBase()
expected_value = 'test value'
knowledge_base_object.SetValue('Test', expected_value)
value = knowledge_base_object.GetValue('Test')
self.assertEqual(value, expected_value)
value = knowledge_base_object.GetValue('tEsT')
self.assertEqual(value, expected_value)
value = knowledge_base_object.GetValue('Bogus')
self.assertIsNone(value)
def testHasUserAccounts(self):
"""Tests the HasUserAccounts function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertFalse(knowledge_base_object.HasUserAccounts())
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
knowledge_base_object.AddUserAccount(user_account)
self.assertTrue(knowledge_base_object.HasUserAccounts())
def testReadSystemConfigurationArtifact(self):
"""Tests the ReadSystemConfigurationArtifact function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
system_configuration = artifacts.SystemConfigurationArtifact()
system_configuration.hostname = artifacts.HostnameArtifact(
name='myhost.mydomain')
user_account = artifacts.UserAccountArtifact(
identifier='1000', user_directory='/home/testuser',
username='testuser')
system_configuration.user_accounts.append(user_account)
knowledge_base_object.ReadSystemConfigurationArtifact(system_configuration)
hostname = knowledge_base_object.GetHostname()
self.assertEqual(hostname, 'myhost.mydomain')
def testSetActiveSession(self):
"""Tests the SetActiveSession function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetActiveSession('ddda05bedf324cbd99fa8c24b8a0037a')
self.assertEqual(
knowledge_base_object._active_session,
'ddda05bedf324cbd99fa8c24b8a0037a')
knowledge_base_object.SetActiveSession(
knowledge_base_object._DEFAULT_ACTIVE_SESSION)
self.assertEqual(
knowledge_base_object._active_session,
knowledge_base_object._DEFAULT_ACTIVE_SESSION)
def testSetCodepage(self):
"""Tests the SetCodepage function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetCodepage('cp1252')
with self.assertRaises(ValueError):
knowledge_base_object.SetCodepage('bogus')
def testSetHostname(self):
"""Tests the SetHostname function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname_artifact = artifacts.HostnameArtifact(name='myhost.mydomain')
knowledge_base_object.SetHostname(hostname_artifact)
# TODO: add tests for SetMountPoint.
# TODO: add tests for SetTextPrepend.
def testSetTimeZone(self):
"""Tests the SetTimeZone function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetTimeZone('Europe/Zurich')
with self.assertRaises(ValueError):
knowledge_base_object.SetTimeZone('Bogus')
if __name__ == '__main__':
unittest.main()
|
