Source code for plaso.parsers.winreg_plugins.msie_zones

# -*- coding: utf-8 -*-
"""This file contains the MSIE zone settings plugin."""

from plaso.containers import events
from plaso.containers import time_events
from plaso.lib import definitions
from plaso.parsers import winreg_parser
from plaso.parsers.winreg_plugins import interface


[docs]class MSIEZoneSettingsEventData(events.EventData): """MSIE zone settings event data attribute container. Attributes: key_path (str): Windows Registry key path. settings (str): MSIE zone settings. """ DATA_TYPE = 'windows:registry:msie_zone_settings' def __init__(self): """Initializes event data.""" super(MSIEZoneSettingsEventData, self).__init__(data_type=self.DATA_TYPE) self.key_path = None self.settings = None
[docs]class MSIEZoneSettingsPlugin(interface.WindowsRegistryPlugin): """Windows Registry plugin for parsing the MSIE zone settings. The MSIE Feature controls are stored in the Zone specific subkeys in: Internet Settings\\Zones key Internet Settings\\Lockdown_Zones key """ NAME = 'msie_zone' DATA_FORMAT = 'Microsoft Internet Explorer zone settings Registry data' FILTERS = frozenset([ interface.WindowsRegistryKeyPathFilter( 'HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\' 'Internet Settings\\Lockdown_Zones'), interface.WindowsRegistryKeyPathFilter( 'HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\' 'Internet Settings\\Zones'), interface.WindowsRegistryKeyPathFilter( 'HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\' 'Internet Settings\\Lockdown_Zones'), interface.WindowsRegistryKeyPathFilter( 'HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\' 'Internet Settings\\Zones')]) _ZONE_NAMES = { '0': '0 (My Computer)', '1': '1 (Local Intranet Zone)', '2': '2 (Trusted sites Zone)', '3': '3 (Internet Zone)', '4': '4 (Restricted Sites Zone)', '5': '5 (Custom)' } _KNOWN_PERMISSIONS_VALUE_NAMES = [ '1001', '1004', '1200', '1201', '1400', '1402', '1405', '1406', '1407', '1601', '1604', '1606', '1607', '1608', '1609', '1800', '1802', '1803', '1804', '1809', '1A04', '2000', '2001', '2004', '2100', '2101', '2102', '2200', '2201', '2300'] _CONTROL_VALUES_PERMISSIONS = { 0x00000000: '0 (Allow)', 0x00000001: '1 (Prompt User)', 0x00000003: '3 (Not Allowed)', 0x00010000: '0x00010000 (Administrator approved)' } _CONTROL_VALUES_SAFETY = { 0x00010000: '0x00010000 (High safety)', 0x00020000: '0x00020000 (Medium safety)', 0x00030000: '0x00030000 (Low safety)' } _CONTROL_VALUES_1A00 = { 0x00000000: ( '0x00000000 (Automatic logon with current user name and password)'), 0x00010000: '0x00010000 (Prompt for user name and password)', 0x00020000: '0x00020000 (Automatic logon only in Intranet zone)', 0x00030000: '0x00030000 (Anonymous logon)' } _CONTROL_VALUES_1C00 = { 0x00000000: '0x00000000 (Disable Java)', 0x00010000: '0x00010000 (High safety)', 0x00020000: '0x00020000 (Medium safety)', 0x00030000: '0x00030000 (Low safety)', 0x00800000: '0x00800000 (Custom)' } _FEATURE_CONTROLS = { '1200': 'Run ActiveX controls and plug-ins', '1400': 'Active scripting', '1001': 'Download signed ActiveX controls', '1004': 'Download unsigned ActiveX controls', '1201': 'Initialize and script ActiveX controls not marked as safe', '1206': 'Allow scripting of IE Web browser control', '1207': 'Reserved', '1208': ( 'Allow previously unused ActiveX controls to run without prompt'), '1209': 'Allow Scriptlets', '120A': 'Override Per-Site (domain-based) ActiveX restrictions', '120B': 'Override Per-Site (domain-based) ActiveX restrictions', '1402': 'Scripting of Java applets', '1405': 'Script ActiveX controls marked as safe for scripting', '1406': 'Access data sources across domains', '1407': 'Allow Programmatic clipboard access', '1408': 'Reserved', '1601': 'Submit non-encrypted form data', '1604': 'Font download', '1605': 'Run Java', '1606': 'Userdata persistence', '1607': 'Navigate sub-frames across different domains', '1608': 'Allow META REFRESH', '1609': 'Display mixed content', '160A': 'Include local directory path when uploading files to a server', '1800': 'Installation of desktop items', '1802': 'Drag and drop or copy and paste files', '1803': 'File Download', '1804': 'Launching programs and files in an IFRAME', '1805': 'Launching programs and files in webview', '1806': 'Launching applications and unsafe files', '1807': 'Reserved', '1808': 'Reserved', '1809': 'Use Pop-up Blocker', '180A': 'Reserved', '180B': 'Reserved', '180C': 'Reserved', '180D': 'Reserved', '1A00': 'User Authentication: Logon', '1A02': 'Allow persistent cookies that are stored on your computer', '1A03': 'Allow per-session cookies (not stored)', '1A04': 'Don\'t prompt for client cert selection when no certs exists', '1A05': 'Allow 3rd party persistent cookies', '1A06': 'Allow 3rd party session cookies', '1A10': 'Privacy Settings', '1C00': 'Java permissions', '1E05': 'Software channel permissions', '1F00': 'Reserved', '2000': 'Binary and script behaviors', '2001': '.NET: Run components signed with Authenticode', '2004': '.NET: Run components not signed with Authenticode', '2100': 'Open files based on content, not file extension', '2101': 'Web sites in less privileged zone can navigate into this zone', '2102': ( 'Allow script initiated windows without size/position constraints'), '2103': 'Allow status bar updates via script', '2104': 'Allow websites to open windows without address or status bars', '2105': ( 'Allow websites to prompt for information using scripted windows'), '2200': 'Automatic prompting for file downloads', '2201': 'Automatic prompting for ActiveX controls', '2300': ( 'Allow web pages to use restricted protocols for active content'), '2301': 'Use Phishing Filter', '2400': '.NET: XAML browser applications', '2401': '.NET: XPS documents', '2402': '.NET: Loose XAML', '2500': 'Turn on Protected Mode', '2600': 'Enable .NET Framework setup', '{AEBA21FA-782A-4A90-978D-B72164C80120}': 'First Party Cookie', '{A8A88C49-5EB2-4990-A1A2-0876022C854F}': 'Third Party Cookie' }
[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. """ self._ProduceDefaultWindowsRegistryEvent(parser_mediator, registry_key) if registry_key.number_of_subkeys == 0: error_string = 'Key: {0:s} missing subkeys.'.format(registry_key.path) parser_mediator.ProduceExtractionWarning(error_string) return for zone_key in registry_key.GetSubkeys(): # TODO: these values are stored in the Description value of the # zone key. This solution will break on zone values that are larger # than 5. path = '{0:s}\\{1:s}'.format( registry_key.path, self._ZONE_NAMES[zone_key.name]) settings = [] # TODO: this plugin currently just dumps the values and does not # distinguish between what is a feature control or not. for value in zone_key.GetValues(): # Ignore the default value. if not value.name: continue if value.DataIsString(): value_string = value.GetDataAsObject() elif value.DataIsInteger(): value_integer = value.GetDataAsObject() if value.name in self._KNOWN_PERMISSIONS_VALUE_NAMES: value_string = self._CONTROL_VALUES_PERMISSIONS.get( value_integer, 'UNKNOWN') elif value.name == '1A00': value_string = self._CONTROL_VALUES_1A00.get( value_integer, 'UNKNOWN') elif value.name == '1C00': value_string = self._CONTROL_VALUES_1C00.get( value_integer, 'UNKNOWN') elif value.name == '1E05': value_string = self._CONTROL_VALUES_SAFETY.get( value_integer, 'UNKNOWN') else: value_string = '{0:d}'.format(value_integer) else: value_string = '[{0:s}]'.format(value.data_type_string) if len(value.name) == 4 and value.name != 'Icon': value_description = self._FEATURE_CONTROLS.get(value.name, 'UNKNOWN') else: value_description = self._FEATURE_CONTROLS.get(value.name, '') if value_description: feature_control = '[{0:s}] {1:s}: {2:s}'.format( value.name, value_description, value_string) else: feature_control = '[{0:s}]: {1:s}'.format(value.name, value_string) settings.append(feature_control) event_data = MSIEZoneSettingsEventData() event_data.key_path = path event_data.settings = ' '.join(sorted(settings)) event = time_events.DateTimeValuesEvent( zone_key.last_written_time, definitions.TIME_DESCRIPTION_WRITTEN) parser_mediator.ProduceEventWithEventData(event, event_data)
winreg_parser.WinRegistryParser.RegisterPlugin(MSIEZoneSettingsPlugin)