# 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 = (2, 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)
),
]
[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):
kernel = self.context.modules[self.config["kernel"]]
for mutant in self.scan_mutants(
self.context, kernel.layer_name, kernel.symbol_table_name
):
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(),
)