# 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
#
import logging
from typing import Iterable, List, Generator
from volatility3.framework import interfaces, constants
from volatility3.framework.configuration import requirements
from volatility3.plugins.windows import pslist, thrdscan
vollog = logging.getLogger(__name__)
[docs]
class Threads(thrdscan.ThrdScan):
"""Lists process threads"""
_required_framework_version = (2, 4, 0)
_version = (3, 0, 0)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.implementation = self.list_process_threads
[docs]
@classmethod
def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
# Since we're calling the plugin, make sure we have the plugin's requirements
return [
requirements.ModuleRequirement(
name="kernel",
description="Windows kernel",
architectures=["Intel32", "Intel64"],
),
requirements.VersionRequirement(
name="thrdscan", component=thrdscan.ThrdScan, version=(2, 0, 0)
),
requirements.VersionRequirement(
name="pslist", component=pslist.PsList, version=(3, 0, 0)
),
]
[docs]
@classmethod
def list_threads(
cls,
context: interfaces.context.ContextInterface,
kernel_module_name: str,
proc: interfaces.objects.ObjectInterface,
) -> Generator[interfaces.objects.ObjectInterface, None, None]:
"""Lists the Threads of a specific process.
Args:
proc: _EPROCESS object from which to list the VADs
Returns:
A list of threads based on the process and filtered based on the filter function
"""
kernel = context.modules[kernel_module_name]
seen = set()
for thread in proc.ThreadListHead.to_list(
f"{kernel.symbol_table_name}{constants.BANG}_ETHREAD", "ThreadListEntry"
):
if thread.vol.offset in seen:
break
seen.add(thread.vol.offset)
yield thread
[docs]
@classmethod
def list_process_threads(
cls,
context: interfaces.context.ContextInterface,
kernel_module_name: str,
) -> Iterable[interfaces.objects.ObjectInterface]:
"""Runs through all processes and lists threads for each process"""
filter_func = pslist.PsList.create_pid_filter(context.config.get("pid", None))
for proc in pslist.PsList.list_processes(
context=context,
kernel_module_name=kernel_module_name,
filter_func=filter_func,
):
yield from cls.list_threads(context, kernel_module_name, proc)