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93 lines
4.6 KiB
Python
93 lines
4.6 KiB
Python
# This file was contributed to the Volatility Framework Version 3.
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# Copyright (C) 2018 Volatility Foundation.
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#
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# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
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# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
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# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
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# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
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# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
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# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
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# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
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# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
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# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
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# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
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# https://www.volatilityfoundation.org/license/vcpl_v1.0
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
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# specific language governing rights and limitations under the License.
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#
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import logging
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from typing import Iterator, List, Tuple
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import volatility.framework.interfaces.plugins as plugins
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from volatility.framework import renderers, interfaces, exceptions
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from volatility.framework.configuration import requirements
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from volatility.framework.renderers import format_hints
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vollog = logging.getLogger(__name__)
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class HiveList(plugins.PluginInterface):
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"""Lists the registry hives present in a particular memory image"""
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@classmethod
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def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
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return [
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requirements.TranslationLayerRequirement(
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name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"]),
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requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
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requirements.StringRequirement(
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name = 'filter', description = "String to filter hive names returned", optional = True, default = None)
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]
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def _generator(self) -> Iterator[Tuple[int, Tuple[int, str]]]:
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for hive in self.list_hives(
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context = self.context,
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layer_name = self.config["primary"],
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symbol_table = self.config["nt_symbols"],
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filter_string = self.config.get('filter', None)):
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yield (0, (format_hints.Hex(hive.vol.offset), hive.get_name() or ""))
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@classmethod
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def list_hives(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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filter_string: None = None) -> Iterator[interfaces.objects.ObjectInterface]:
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"""Lists all the hives in the primary layer"""
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# We only use the object factory to demonstrate how to use one
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kvo = context.layers[layer_name].config['kernel_virtual_offset']
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ntkrnlmp = context.module(symbol_table, layer_name = layer_name, offset = kvo)
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list_head = ntkrnlmp.get_symbol("CmpHiveListHead").address
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list_entry = ntkrnlmp.object(type_name = "_LIST_ENTRY", offset = kvo + list_head)
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reloff = ntkrnlmp.get_type("_CMHIVE").relative_child_offset("HiveList")
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cmhive = ntkrnlmp.object(type_name = "_CMHIVE", offset = list_entry.vol.offset - reloff)
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# Run through the list fowards
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seen = set()
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traverse_backwards = False
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try:
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for hive in cmhive.HiveList:
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if filter_string is None or filter_string.lower() in str(hive.get_name() or "").lower():
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seen.add(hive.vol.offset)
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yield hive
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except exceptions.InvalidAddressException:
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vollog.warning("Hivelist failed traversing the list forwards, traversing backwards")
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traverse_backwards = True
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if traverse_backwards:
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try:
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for hive in cmhive.HiveList.to_list(cmhive.vol.type_name, "HiveList", forward = False):
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if filter_string is None or filter_string.lower() in str(
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hive.get_name() or "").lower() and hive.vol.offset not in seen:
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yield hive
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except exceptions.InvalidAddressException:
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vollog.warning("Hivelist failed traversing the list backwards, giving up")
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def run(self) -> renderers.TreeGrid:
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return renderers.TreeGrid([("Offset", format_hints.Hex), ("FileFullPath", str)], self._generator())
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