128 lines
4.6 KiB
Python
128 lines
4.6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2013 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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"""This file contains the Terminal Server Registry plugins."""
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from plaso.events import windows_events
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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__ = 'David Nides (david.nides@gmail.com)'
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class TerminalServerClientPlugin(interface.KeyPlugin):
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"""Windows Registry plugin for Terminal Server Client Connection keys."""
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NAME = 'winreg_rdp'
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DESCRIPTION = u'Parser for Terminal Server Client Connection Registry data.'
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REG_TYPE = 'NTUSER'
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REG_KEYS = [
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u'\\Software\\Microsoft\\Terminal Server Client\\Servers',
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u'\\Software\\Microsoft\\Terminal Server Client\\Default\\AddIns\\RDPDR']
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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 Values in Servers and return event for each one.
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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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for subkey in key.GetSubkeys():
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username_value = subkey.GetValue('UsernameHint')
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if (username_value and username_value.data and
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username_value.DataIsString()):
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username = username_value.data
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else:
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username = u'None'
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text_dict = {}
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text_dict['UsernameHint'] = username
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event_object = windows_events.WindowsRegistryEvent(
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key.last_written_timestamp, key.path, text_dict, offset=key.offset,
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registry_type=registry_type,
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source_append=': RDP Connection')
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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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class TerminalServerClientMRUPlugin(interface.KeyPlugin):
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"""Windows Registry plugin for Terminal Server Client Connection MRUs keys."""
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NAME = 'winreg_rdp_mru'
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DESCRIPTION = u'Parser for Terminal Server Client MRU Registry data.'
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REG_TYPE = 'NTUSER'
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REG_KEYS = [
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u'\\Software\\Microsoft\\Terminal Server Client\\Default',
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u'\\Software\\Microsoft\\Terminal Server Client\\LocalDevices']
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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 MRU Values and return event for each one.
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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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parser_chain: Optional string containing the parsing chain up to this
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point. 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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"""
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for value in key.GetValues():
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# TODO: add a check for the value naming scheme.
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# Ignore the default value.
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if not value.name:
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continue
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# Ignore any value that is empty or that does not contain a string.
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if not value.data or not value.DataIsString():
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continue
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text_dict = {}
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text_dict[value.name] = value.data
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if value.name == 'MRU0':
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timestamp = key.last_written_timestamp
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else:
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timestamp = 0
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event_object = windows_events.WindowsRegistryEvent(
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timestamp, key.path, text_dict, offset=key.offset,
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registry_type=registry_type,
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source_append=u': RDP Connection')
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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.RegisterPlugins([
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TerminalServerClientPlugin, TerminalServerClientMRUPlugin])
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