Source code for plaso.parsers.winreg_plugins.usb

# -*- coding: utf-8 -*-
"""File containing a Windows Registry plugin to parse the USB Device key.

Also see:

from plaso.containers import events
from plaso.parsers import logger
from plaso.parsers import winreg_parser
from plaso.parsers.winreg_plugins import interface

[docs] class WindowsUSBDeviceEventData(events.EventData): """Windows USB device event data attribute container. Attributes: key_path (str): Windows Registry key path. last_written_time (dfdatetime.DateTimeValues): entry last written date and time. product (str): product of the USB device. serial (str): serial number of the USB device. subkey_name (str): name of the Windows Registry subkey. vendor (str): vendor of the USB device. """ DATA_TYPE = 'windows:registry:usb'
[docs] def __init__(self): """Initializes event data.""" super(WindowsUSBDeviceEventData, self).__init__(data_type=self.DATA_TYPE) self.key_path = None self.last_written_time = None self.product = None self.serial = None # TODO: rename subkey_name to something that closer matches its purpose. self.subkey_name = None self.vendor = None
[docs] class USBPlugin(interface.WindowsRegistryPlugin): """USB Windows Registry plugin for last connection time.""" NAME = 'windows_usb_devices' DATA_FORMAT = 'Windows USB device Registry data' FILTERS = frozenset([ interface.WindowsRegistryKeyPathFilter( 'HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Enum\\USB')])
[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. """ event_data = WindowsUSBDeviceEventData() event_data.key_path = registry_key.path for subkey in registry_key.GetSubkeys(): event_data.subkey_name = vendor_identification = None product_identification = None try: subkey_name_parts ='&') if len(subkey_name_parts) >= 2: vendor_identification = subkey_name_parts[0] product_identification = subkey_name_parts[1] except ValueError as exception: logger.warning(( f'Unable to split string: {} with error: ' f'{exception!s}')) event_data.vendor = vendor_identification event_data.product = product_identification for devicekey in subkey.GetSubkeys(): # The last written time of the Registry key relates to the last time # an USB device was connected to the operating system. event_data.last_written_time = devicekey.last_written_time event_data.serial = parser_mediator.ProduceEventData(event_data)