103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2012 The Plaso Project Authors.
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# Please see the AUTHORS file for details on individual authors.
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#
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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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"""Plug-in to collect information about the Windows version."""
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import construct
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from plaso.events import windows_events
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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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class WinVerPlugin(interface.KeyPlugin):
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"""Plug-in to collect information about the Windows version."""
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NAME = 'winreg_winver'
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DESCRIPTION = u'Parser for Windows version Registry data.'
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REG_KEYS = [u'\\Microsoft\\Windows NT\\CurrentVersion']
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REG_TYPE = 'SOFTWARE'
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URLS = []
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INT_STRUCT = construct.ULInt32('install')
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# TODO: Refactor remove this function in a later CL.
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def GetValueString(self, key, value_name):
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"""Retrieves a specific string value from the Registry key.
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Args:
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key: A Windows Registry key (instance of WinRegKey).
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value_name: The name of the value.
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Returns:
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A string value if one is available, otherwise an empty string.
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"""
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value = key.GetValue(value_name)
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if not value:
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return ''
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if not value.data or not value.DataIsString():
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return ''
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return value.data
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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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"""Gather minimal information about system install and return an event.
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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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text_dict = {}
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text_dict[u'Owner'] = self.GetValueString(key, 'RegisteredOwner')
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text_dict[u'sp'] = self.GetValueString(key, 'CSDBuildNumber')
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text_dict[u'Product name'] = self.GetValueString(key, 'ProductName')
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text_dict[u' Windows Version Information'] = u''
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install_raw = key.GetValue('InstallDate').raw_data
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# TODO: move this to a function in utils with a more descriptive name
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# e.g. CopyByteStreamToInt32BigEndian.
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try:
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install = self.INT_STRUCT.parse(install_raw)
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except construct.FieldError:
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install = 0
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event_object = windows_events.WindowsRegistryEvent(
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timelib.Timestamp.FromPosixTime(install), key.path, text_dict,
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usage='OS Install Time', offset=key.offset,
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registry_type=registry_type, urls=self.URLS)
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event_object.prodname = text_dict[u'Product name']
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event_object.source_long = 'SOFTWARE WinVersion key'
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if text_dict[u'Owner']:
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event_object.owner = text_dict[u'Owner']
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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(WinVerPlugin)
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