Files
volatility3/volatility/framework/plugins/windows/driverscan.py
T

77 lines
3.2 KiB
Python

# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at https://www.volatilityfoundation.org/license/vsl_v1.0
#
from typing import Iterable
import volatility.plugins.windows.poolscanner as poolscanner
import volatility.framework.interfaces.plugins as plugins
from volatility.framework import renderers, interfaces, exceptions
from volatility.framework.configuration import requirements
from volatility.framework.renderers import format_hints
class DriverScan(plugins.PluginInterface):
"""Scans for drivers present in a particular windows memory image."""
_version = (1, 0, 0)
@classmethod
def get_requirements(cls):
return [
requirements.TranslationLayerRequirement(
name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
]
@classmethod
def scan_drivers(cls,
context: interfaces.context.ContextInterface,
layer_name: str,
symbol_table: str) -> \
Iterable[interfaces.objects.ObjectInterface]:
"""Scans for drivers using the poolscanner module and constraints.
Args:
context: The context to retrieve required elements (layers, symbol tables) from
layer_name: The name of the layer on which to operate
symbol_table: The name of the table containing the kernel symbols
Returns:
A list of Driver objects as found from the `layer_name` layer based on Driver pool signatures
"""
constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'Dri\xf6', b'Driv'])
for result in poolscanner.PoolScanner.generate_pool_scan(context, layer_name, symbol_table, constraints):
_constraint, mem_object, _header = result
yield mem_object
def _generator(self):
for driver in self.scan_drivers(self.context, self.config['primary'], self.config['nt_symbols']):
try:
driver_name = driver.get_driver_name()
except exceptions.InvalidAddressException:
driver_name = renderers.NotApplicableValue()
try:
service_key = driver.DriverExtension.ServiceKeyName.String
except exceptions.InvalidAddressException:
service_key = renderers.NotApplicableValue()
try:
name = driver.DriverName.String
except exceptions.InvalidAddressException:
name = renderers.NotApplicableValue()
yield (0, (format_hints.Hex(driver.vol.offset), format_hints.Hex(driver.DriverStart),
format_hints.Hex(driver.DriverSize), service_key, driver_name, name))
def run(self):
return renderers.TreeGrid([("Offset", format_hints.Hex),
("Start", format_hints.Hex), ("Size", format_hints.Hex), ("Service Key", str),
("Driver Name", str), ("Name", str)], self._generator())