79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2014 The Plaso Project Authors.
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# Please see the AUTHORS file for details on individual authors.#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This file contains the LastShutdown value plugin."""
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import construct
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import logging
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from plaso.events import windows_events
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from plaso.lib import eventdata
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from plaso.lib import timelib
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from plaso.parsers import winreg
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from plaso.parsers.winreg_plugins import interface
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__author__ = 'Preston Miller, dpmforensics.com, github.com/prmiller91'
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class ShutdownPlugin(interface.KeyPlugin):
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"""Windows Registry plugin for parsing the last shutdown time of a system."""
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NAME = 'winreg_shutdown'
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DESCRIPTION = u'Parser for ShutdownTime Registry value.'
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REG_KEYS = [u'\\{current_control_set}\\Control\\Windows']
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REG_TYPE = 'SYSTEM'
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FILETIME_STRUCT = construct.ULInt64('filetime_timestamp')
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def GetEntries(
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self, parser_context, key=None, registry_type=None, file_entry=None,
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parser_chain=None, **unused_kwargs):
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"""Collect ShutdownTime value under Windows and produce an event object.
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Args:
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parser_context: A parser context object (instance of ParserContext).
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key: Optional Registry key (instance of winreg.WinRegKey).
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The default is None.
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registry_type: Optional Registry type string. The default is None.
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file_entry: Optional file entry object (instance of dfvfs.FileEntry).
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The default is None.
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parser_chain: Optional string containing the parsing chain up to this
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point. The default is None.
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"""
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shutdown_value = key.GetValue('ShutdownTime')
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if not shutdown_value:
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return
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text_dict = {}
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text_dict['Description'] = shutdown_value.name
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try:
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filetime = self.FILETIME_STRUCT.parse(shutdown_value.data)
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except construct.FieldError as exception:
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logging.error(
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u'Unable to extract shutdown timestamp: {0:s}'.format(exception))
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return
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timestamp = timelib.Timestamp.FromFiletime(filetime)
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event_object = windows_events.WindowsRegistryEvent(
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timestamp, key.path, text_dict,
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usage=eventdata.EventTimestamp.LAST_SHUTDOWN, offset=key.offset,
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registry_type=registry_type,
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source_append=u'Shutdown Entry')
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parser_context.ProduceEvent(
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event_object, parser_chain=parser_chain, file_entry=file_entry)
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winreg.WinRegistryParser.RegisterPlugin(ShutdownPlugin)
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