# 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
from volatility3.framework import renderers, interfaces, symbols
from volatility3.framework.configuration import requirements
from volatility3.framework.renderers import format_hints
from volatility3.framework.symbols.windows import versions
from volatility3.plugins.windows import poolscanner, bigpools
[docs]class HiveScan(interfaces.plugins.PluginInterface):
"""Scans for registry hives present in a particular windows memory
image."""
_required_framework_version = (2, 0, 0)
_version = (1, 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)
),
requirements.PluginRequirement(
name="bigpools", plugin=bigpools.BigPools, version=(1, 0, 0)
),
]
[docs] @classmethod
def scan_hives(
cls,
context: interfaces.context.ContextInterface,
layer_name: str,
symbol_table: str,
) -> Iterable[interfaces.objects.ObjectInterface]:
"""Scans for hives using the poolscanner module and constraints or bigpools module with tag.
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 Hive objects as found from the `layer_name` layer based on Hive pool signatures
"""
is_64bit = symbols.symbol_table_is_64bit(context, symbol_table)
is_windows_8_1_or_later = versions.is_windows_8_1_or_later(
context=context, symbol_table=symbol_table
)
if is_windows_8_1_or_later and is_64bit:
kvo = context.layers[layer_name].config["kernel_virtual_offset"]
ntkrnlmp = context.module(symbol_table, layer_name=layer_name, offset=kvo)
for pool in bigpools.BigPools.list_big_pools(
context, layer_name=layer_name, symbol_table=symbol_table, tags=["CM10"]
):
cmhive = ntkrnlmp.object(
object_type="_CMHIVE", offset=pool.Va, absolute=True
)
yield cmhive
else:
constraints = poolscanner.PoolScanner.builtin_constraints(
symbol_table, [b"CM10"]
)
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 hive in self.scan_hives(
self.context, kernel.layer_name, kernel.symbol_table_name
):
yield (0, (format_hints.Hex(hive.vol.offset),))
[docs] def run(self):
return renderers.TreeGrid([("Offset", format_hints.Hex)], self._generator())