Source code for volatility3.plugins.mac.lsmod

# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at
"""A module containing a collection of plugins that produce data typically
found in Mac's lsmod command."""
from typing import Set

from volatility3.framework import renderers, interfaces, exceptions
from volatility3.framework.configuration import requirements
from volatility3.framework.interfaces import plugins
from volatility3.framework.objects import utility
from volatility3.framework.renderers import format_hints

[docs]class Lsmod(plugins.PluginInterface): """Lists loaded kernel modules.""" _required_framework_version = (2, 0, 0) _version = (2, 0, 0)
[docs] @classmethod def get_requirements(cls): return [ requirements.ModuleRequirement( name="kernel", description="Kernel module for the OS", architectures=["Intel32", "Intel64"], ), ]
[docs] @classmethod def list_modules( cls, context: interfaces.context.ContextInterface, darwin_module_name: str ): """Lists all the modules in the primary layer. Args: context: The context to retrieve required elements (layers, symbol tables) from layer_name: The name of the layer on which to operate darwin_symbols: The name of the table containing the kernel symbols Returns: A list of modules from the `layer_name` layer """ kernel = context.modules[darwin_module_name] kernel_layer = context.layers[kernel.layer_name] kmod_ptr = kernel.object_from_symbol(symbol_name="kmod") try: kmod = kmod_ptr.dereference().cast("kmod_info") except exceptions.InvalidAddressException: return # Generation finished yield kmod try: kmod = except exceptions.InvalidAddressException: return # Generation finished seen: Set = set() while kmod != 0 and kmod not in seen and len(seen) < 1024: kmod_obj = kmod.dereference() if not kernel_layer.is_valid(kmod_obj.vol.offset, kmod_obj.vol.size): break seen.add(kmod) yield kmod try: kmod = except exceptions.InvalidAddressException: return None return # Generation finished
def _generator(self): for module in self.list_modules(self.context, self.config["kernel"]): mod_name = utility.array_to_string( mod_size = module.size yield 0, (format_hints.Hex(module.vol.offset), mod_name, mod_size)
[docs] def run(self): return renderers.TreeGrid( [("Offset", format_hints.Hex), ("Name", str), ("Size", int)], self._generator(), )