Source code for plaso.parsers.winreg_plugins.default
# -*- coding: utf-8 -*-
"""The default Windows Registry plugin."""
from __future__ import unicode_literals
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 DefaultPlugin(interface.WindowsRegistryPlugin):
"""Default plugin that extracts minimum information from every registry key.
The default plugin will parse every registry key that is passed to it and
extract minimum information, such as a list of available values and if
possible content of those values. The timestamp used is the timestamp
when the registry key was last modified.
"""
NAME = 'winreg_default'
DESCRIPTION = 'Parser for Registry data.'
# 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.
"""
values_dict = {}
if registry_key.number_of_values == 0:
values_dict['Value'] = 'No values stored in key.'
else:
for registry_value in registry_key.GetValues():
value_name = registry_value.name or '(default)'
if registry_value.data is None:
value_string = '[{0:s}] Empty'.format(
registry_value.data_type_string)
elif registry_value.DataIsString():
value_string = registry_value.GetDataAsObject()
value_string = '[{0:s}] {1:s}'.format(
registry_value.data_type_string, value_string)
elif registry_value.DataIsInteger():
value_integer = registry_value.GetDataAsObject()
value_string = '[{0:s}] {1:d}'.format(
registry_value.data_type_string, value_integer)
elif registry_value.DataIsMultiString():
multi_string = registry_value.GetDataAsObject()
if not isinstance(multi_string, (list, tuple)):
value_string = '[{0:s}]'.format(registry_value.data_type_string)
# TODO: Add a flag or some sort of an anomaly alert.
else:
value_string = '[{0:s}] {1:s}'.format(
registry_value.data_type_string, ''.join(multi_string))
else:
value_string = '[{0:s}]'.format(registry_value.data_type_string)
values_dict[value_name] = value_string
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)
winreg.WinRegistryParser.RegisterPlugin(DefaultPlugin)