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78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
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# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
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#
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from typing import Iterable
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from volatility3.framework import renderers, interfaces, exceptions
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from volatility3.framework.configuration import requirements
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from volatility3.framework.renderers import format_hints
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from volatility3.plugins.windows import poolscanner
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class FileScan(interfaces.plugins.PluginInterface):
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"""Scans for file objects present in a particular windows memory image."""
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_required_framework_version = (2, 0, 0)
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_version = (1, 0, 1)
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@classmethod
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def get_requirements(cls):
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return [
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requirements.ModuleRequirement(
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name="kernel",
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description="Windows kernel",
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architectures=["Intel32", "Intel64"],
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),
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requirements.PluginRequirement(
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name="poolscanner", plugin=poolscanner.PoolScanner, version=(1, 0, 0)
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),
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]
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@classmethod
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def scan_files(
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cls,
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context: interfaces.context.ContextInterface,
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layer_name: str,
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symbol_table: str,
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) -> Iterable[interfaces.objects.ObjectInterface]:
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"""Scans for file objects using the poolscanner module and constraints.
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Args:
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context: The context to retrieve required elements (layers, symbol tables) from
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layer_name: The name of the layer on which to operate
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symbol_table: The name of the table containing the kernel symbols
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Returns:
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A list of File objects as found from the `layer_name` layer based on File pool signatures
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"""
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constraints = poolscanner.PoolScanner.builtin_constraints(
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symbol_table, [b"Fil\xe5", b"File"]
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)
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for result in poolscanner.PoolScanner.generate_pool_scan(
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context, layer_name, symbol_table, constraints
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):
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_constraint, mem_object, _header = result
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yield mem_object
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def _generator(self):
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kernel = self.context.modules[self.config["kernel"]]
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for fileobj in self.scan_files(
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self.context, kernel.layer_name, kernel.symbol_table_name
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):
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try:
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file_name = fileobj.FileName.String
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except exceptions.InvalidAddressException:
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continue
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yield (0, (format_hints.Hex(fileobj.vol.offset), file_name))
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def run(self):
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return renderers.TreeGrid(
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[("Offset", format_hints.Hex), ("Name", str)],
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self._generator(),
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)
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