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78 lines
3.4 KiB
Python
78 lines
3.4 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, 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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from volatility.plugins.windows import poolscanner
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class MutantScan(interfaces.plugins.PluginInterface):
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"""Scans for mutexes present in a particular windows memory image."""
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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.BooleanRequirement(name = 'quick',
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description = "Scan just allocated memory",
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default = False,
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optional = True),
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]
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@classmethod
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def scan_mutants(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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quick: bool = False) -> \
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Iterable[interfaces.objects.ObjectInterface]:
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"""Scans for mutants 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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quick: Scan only memory that windows has allocated
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Returns:
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A list of Mutant objects found by scanning memory for the Mutant pool signatures
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"""
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constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'Mut\xe1', b'Muta'])
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for result in poolscanner.PoolScanner.generate_pool_scan(context,
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layer_name,
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symbol_table,
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constraints,
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quick = quick):
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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 mutant in self.scan_mutants(self.context,
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self.config['primary'],
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self.config['nt_symbols'],
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quick = self.config['quick']):
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try:
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name = mutant.get_name()
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except exceptions.InvalidAddressException:
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name = renderers.NotApplicableValue()
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yield (0, (format_hints.Hex(mutant.vol.offset), name))
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def run(self):
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return renderers.TreeGrid([
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("Offset", format_hints.Hex),
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("Name", str),
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], self._generator())
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