Source code for plaso.parsers.winreg_plugins.windows_version
# -*- coding: utf-8 -*-
"""Plug-in to collect information about the Windows version."""
from __future__ import unicode_literals
from dfdatetime import posix_time as dfdatetime_posix_time
from plaso.containers import time_events
from plaso.containers import windows_events
from plaso.lib import definitions
from plaso.parsers import winreg
from plaso.parsers.winreg_plugins import interface
[docs]class WindowsVersionPlugin(interface.WindowsRegistryPlugin):
"""Plug-in to collect information about the Windows version."""
NAME = 'windows_version'
DESCRIPTION = 'Parser for Windows version Registry data.'
FILTERS = frozenset([
interface.WindowsRegistryKeyPathFilter(
'HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\'
'CurrentVersion')])
_STRING_VALUE_NAME_STRINGS = {
'CSDVersion': 'service_pack',
'CurrentVersion': 'version',
'CurrentBuildNumber': 'build_number',
'ProductName': 'product_name',
'RegisteredOrganization': 'organization',
'RegisteredOwner': 'owner',
}
# pylint 1.9.3 wants a docstring for kwargs, but this is not useful to add.
# pylint: disable=missing-param-doc
[docs] def ExtractEvents(self, parser_mediator, registry_key, **kwargs):
"""Extracts events from a Windows Registry key.
Args:
parser_mediator (ParserMediator): mediates interactions between parsers
and other components, such as storage and dfvfs.
registry_key (dfwinreg.WinRegistryKey): Windows Registry key.
"""
installation_value = None
string_values = {}
for registry_value in registry_key.GetValues():
# Ignore the default value.
if not registry_value.name:
continue
if (registry_value.name == 'InstallDate' and
registry_value.DataIsInteger()):
installation_value = registry_value
continue
# Ignore any value that is empty or that does not contain a string.
if not registry_value.data or not registry_value.DataIsString():
continue
string_value_name = self._STRING_VALUE_NAME_STRINGS.get(
registry_value.name, None)
if not string_value_name:
continue
string_values[string_value_name] = registry_value.GetDataAsObject()
values_dict = {}
values_dict['Owner'] = string_values.get('owner', '')
values_dict['Product name'] = string_values.get('product_name', '')
values_dict['Service pack'] = string_values.get('service_pack', '')
values_dict['Windows Version Information'] = string_values.get(
'version', '')
event_data = windows_events.WindowsRegistryEventData()
event_data.key_path = registry_key.path
event_data.offset = registry_key.offset
event_data.regvalue = values_dict
event = time_events.DateTimeValuesEvent(
registry_key.last_written_time, definitions.TIME_DESCRIPTION_WRITTEN)
parser_mediator.ProduceEventWithEventData(event, event_data)
# TODO: if not present indicate anomaly of missing installation
# date and time.
if installation_value:
event_data = windows_events.WindowsRegistryInstallationEventData()
event_data.key_path = registry_key.path
event_data.offset = registry_key.offset
event_data.owner = string_values.get('owner', None)
event_data.product_name = string_values.get('product_name', None)
event_data.service_pack = string_values.get('service_pack', None)
event_data.version = string_values.get('version', None)
installation_time = installation_value.GetDataAsObject()
date_time = dfdatetime_posix_time.PosixTime(timestamp=installation_time)
event = time_events.DateTimeValuesEvent(
date_time, definitions.TIME_DESCRIPTION_INSTALLATION)
parser_mediator.ProduceEventWithEventData(event, event_data)
winreg.WinRegistryParser.RegisterPlugin(WindowsVersionPlugin)