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76 lines
3.5 KiB
Python
76 lines
3.5 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 volatility.framework import renderers, interfaces, symbols
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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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from volatility.framework.symbols.windows import versions
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from volatility.plugins.windows import poolscanner, bigpools
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class HiveScan(interfaces.plugins.PluginInterface):
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"""Scans for registry hives present in a particular windows memory
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image."""
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_version = (1, 0, 0)
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@classmethod
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def get_requirements(cls):
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return [
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requirements.TranslationLayerRequirement(name = 'primary',
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description = 'Memory layer for the kernel',
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architectures = ["Intel32", "Intel64"]),
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requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
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requirements.PluginRequirement(name = 'poolscanner', plugin = poolscanner.PoolScanner, version = (1, 0, 0)),
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requirements.PluginRequirement(name = 'bigpools', plugin = bigpools.BigPools, version = (1, 0, 0)),
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]
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@classmethod
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def scan_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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Iterable[interfaces.objects.ObjectInterface]:
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"""Scans for hives using the poolscanner module and constraints or bigpools module with tag.
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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 Hive objects as found from the `layer_name` layer based on Hive pool signatures
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"""
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is_64bit = symbols.symbol_table_is_64bit(context, symbol_table)
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is_windows_8_1_or_later = versions.is_windows_8_1_or_later(context = context, symbol_table = symbol_table)
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if is_windows_8_1_or_later and is_64bit:
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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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for pool in bigpools.BigPools.list_big_pools(context,
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layer_name = layer_name,
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symbol_table = symbol_table,
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tags = ["CM10"]):
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cmhive = ntkrnlmp.object(object_type = "_CMHIVE", offset = pool.Va, absolute = True)
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yield cmhive
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else:
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constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'CM10'])
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for result in poolscanner.PoolScanner.generate_pool_scan(context, layer_name, symbol_table, constraints):
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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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for hive in self.scan_hives(self.context, self.config['primary'], self.config['nt_symbols']):
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yield (0, (format_hints.Hex(hive.vol.offset), ))
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def run(self):
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return renderers.TreeGrid([("Offset", format_hints.Hex)], self._generator())
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