# This file is Copyright 2020 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
#
from volatility3.framework import renderers, interfaces
from volatility3.framework.configuration import requirements
from volatility3.framework.objects import utility
from volatility3.framework.renderers import format_hints
from volatility3.framework.symbols import mac
from volatility3.plugins.mac import lsmod, kauth_scopes
[docs]class Kauth_listeners(interfaces.plugins.PluginInterface):
"""Lists kauth listeners and their status"""
_required_framework_version = (2, 0, 0)
[docs] @classmethod
def get_requirements(cls):
return [
requirements.ModuleRequirement(
name="kernel",
description="Kernel module for the OS",
architectures=["Intel32", "Intel64"],
),
requirements.VersionRequirement(
name="macutils", component=mac.MacUtilities, version=(1, 1, 0)
),
requirements.PluginRequirement(
name="lsmod", plugin=lsmod.Lsmod, version=(2, 0, 0)
),
requirements.PluginRequirement(
name="kauth_scopes", plugin=kauth_scopes.Kauth_scopes, version=(2, 0, 0)
),
]
def _generator(self):
"""
Enumerates the listeners for each kauth scope
"""
kernel = self.context.modules[self.config["kernel"]]
mods = lsmod.Lsmod.list_modules(self.context, self.config["kernel"])
handlers = mac.MacUtilities.generate_kernel_handler_info(
self.context, kernel.layer_name, kernel, mods
)
for scope in kauth_scopes.Kauth_scopes.list_kauth_scopes(
self.context, self.config["kernel"]
):
scope_name = utility.pointer_to_string(scope.ks_identifier, 128)
for listener in scope.get_listeners():
callback = listener.kll_callback
if callback == 0:
continue
module_name, symbol_name = mac.MacUtilities.lookup_module_address(
self.context, handlers, callback, self.config["kernel"]
)
yield (
0,
(
scope_name,
format_hints.Hex(listener.kll_idata),
format_hints.Hex(callback),
module_name,
symbol_name,
),
)
[docs] def run(self):
return renderers.TreeGrid(
[
("Name", str),
("IData", format_hints.Hex),
("Callback Address", format_hints.Hex),
("Module", str),
("Symbol", str),
],
self._generator(),
)