# 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, exceptions
from volatility3.framework.configuration import requirements
from volatility3.framework.renderers import format_hints
from volatility3.plugins.windows import poolscanner
[docs]class MutantScan(interfaces.plugins.PluginInterface):
"""Scans for mutexes present in a particular windows memory image."""
_required_framework_version = (1, 0, 0)
[docs] @classmethod
def get_requirements(cls):
return [
requirements.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
requirements.PluginRequirement(name = 'poolscanner', plugin = poolscanner.PoolScanner, version = (1, 0, 0)),
]
[docs] @classmethod
def scan_mutants(cls,
context: interfaces.context.ContextInterface,
layer_name: str,
symbol_table: str) -> \
Iterable[interfaces.objects.ObjectInterface]:
"""Scans for mutants using the poolscanner module and constraints.
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 Mutant objects found by scanning memory for the Mutant pool signatures
"""
constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'Mut\xe1', b'Muta'])
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):
for mutant in self.scan_mutants(self.context, self.config['primary'], self.config['nt_symbols']):
try:
name = mutant.get_name()
except (ValueError, exceptions.InvalidAddressException):
name = renderers.NotApplicableValue()
yield (0, (format_hints.Hex(mutant.vol.offset), name))
[docs] def run(self):
return renderers.TreeGrid([
("Offset", format_hints.Hex),
("Name", str),
], self._generator())