Source code for

# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at

from typing import Iterable

from volatility3.framework import renderers, interfaces, exceptions
from volatility3.framework.configuration import requirements
from volatility3.framework.renderers import format_hints
from import poolscanner

[docs]class FileScan(interfaces.plugins.PluginInterface): """Scans for file objects present in a particular windows memory image.""" _required_framework_version = (2, 0, 0)
[docs] @classmethod def get_requirements(cls): return [ requirements.ModuleRequirement( name="kernel", description="Windows kernel", architectures=["Intel32", "Intel64"], ), requirements.PluginRequirement( name="poolscanner", plugin=poolscanner.PoolScanner, version=(1, 0, 0) ), ]
[docs] @classmethod def scan_files( cls, context: interfaces.context.ContextInterface, layer_name: str, symbol_table: str, ) -> Iterable[interfaces.objects.ObjectInterface]: """Scans for file objects 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 File objects as found from the `layer_name` layer based on File pool signatures """ constraints = poolscanner.PoolScanner.builtin_constraints( symbol_table, [b"Fil\xe5", b"File"] ) 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): kernel = self.context.modules[self.config["kernel"]] for fileobj in self.scan_files( self.context, kernel.layer_name, kernel.symbol_table_name ): try: file_name = fileobj.FileName.String except exceptions.InvalidAddressException: continue yield (0, (format_hints.Hex(fileobj.vol.offset), file_name, fileobj.Size))
[docs] def run(self): return renderers.TreeGrid( [("Offset", format_hints.Hex), ("Name", str), ("Size", int)], self._generator(), )