mirror of
https://github.com/volatilityfoundation/volatility3.git
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112 lines
5.2 KiB
Python
112 lines
5.2 KiB
Python
import logging
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from typing import Callable, List, Generator, Iterable
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import volatility.plugins.windows.pslist as pslist
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from volatility.framework import renderers, interfaces
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from volatility.framework.configuration import requirements
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from volatility.framework.objects import utility
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from volatility.framework.renderers import format_hints
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vollog = logging.getLogger(__name__)
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# these are from WinNT.h
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winnt_protections = {
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"PAGE_NOACCESS": 0x01,
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"PAGE_READONLY": 0x02,
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"PAGE_READWRITE": 0x04,
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"PAGE_WRITECOPY": 0x08,
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"PAGE_EXECUTE": 0x10,
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"PAGE_EXECUTE_READ": 0x20,
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"PAGE_EXECUTE_READWRITE": 0x40,
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"PAGE_EXECUTE_WRITECOPY": 0x80,
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"PAGE_GUARD": 0x100,
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"PAGE_NOCACHE": 0x200,
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"PAGE_WRITECOMBINE": 0x400,
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"PAGE_TARGETS_INVALID": 0x40000000,
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}
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class VadInfo(interfaces.plugins.PluginInterface):
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"""Lists process memory ranges"""
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._protect_values = None
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@classmethod
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def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
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# Since we're calling the plugin, make sure we have the plugin's requirements
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return [requirements.TranslationLayerRequirement(name = 'primary',
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description = 'Kernel Address Space',
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architectures = ["Intel32", "Intel64"]),
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requirements.SymbolRequirement(name = "nt_symbols", description = "Windows OS"),
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# TODO: Convert this to a ListRequirement so that people can filter on sets of ranges
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requirements.IntRequirement(name = 'address',
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description = "Process virtual memory address to include " \
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"(all other address ranges are excluded). This must be " \
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"a base address, not an address within the desired range.",
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optional = True)]
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@classmethod
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def protect_values(cls, context: interfaces.context.ContextInterface, virtual_layer: str,
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nt_symbols: str) -> Iterable[int]:
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"""Look up the array of memory protection constants from the memory sample.
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These don't change often, but if they do in the future, then finding them
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# dynamically versus hard-coding here will ensure we parse them properly."""
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kvo = context.memory[virtual_layer].config["kernel_virtual_offset"]
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ntkrnlmp = context.module(nt_symbols, layer_name = virtual_layer, offset = kvo)
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addr = ntkrnlmp.get_symbol("MmProtectToValue").address
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values = ntkrnlmp.object(
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type_name = "array", offset = kvo + addr, subtype = ntkrnlmp.get_type("int"), count = 32)
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return values # type: ignore
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@classmethod
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def list_vads(cls, proc: interfaces.objects.ObjectInterface,
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filter_func: Callable[[int], bool] = lambda _: False) -> \
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Generator[interfaces.objects.ObjectInterface, None, None]:
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for vad in proc.get_vad_root().traverse():
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if not filter_func(vad):
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yield vad
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def _generator(self, procs):
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def passthrough(_: 'interfaces.objects.ObjectInterface') -> bool:
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return False
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filter_func = passthrough
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if self.config.get('address', None) is not None:
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def filter_function(x: 'interfaces.objects.ObjectInterface') -> bool:
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return x.get_start() not in [self.config['address']]
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filter_func = filter_function
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for proc in procs:
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process_name = utility.array_to_string(proc.ImageFileName)
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for vad in self.list_vads(proc, filter_func = filter_func):
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yield (0, (proc.UniqueProcessId, process_name, format_hints.Hex(vad.vol.offset),
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format_hints.Hex(vad.get_start()), format_hints.Hex(vad.get_end()), vad.get_tag(),
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vad.get_protection(
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self.protect_values(self.context, self.config['primary'], self.config['nt_symbols']),
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winnt_protections), vad.get_commit_charge(), vad.get_private_memory(),
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format_hints.Hex(vad.get_parent()), vad.get_file_name()))
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def run(self):
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filter_func = pslist.PsList.create_filter([self.config.get('pid', None)])
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return renderers.TreeGrid([("PID", int), ("Process", str), ("Offset", format_hints.Hex),
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("Start VPN", format_hints.Hex), ("End VPN", format_hints.Hex), ("Tag", str),
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("Protection", str), ("CommitCharge", int), ("PrivateMemory", int),
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("Parent", format_hints.Hex), ("File", str)],
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self._generator(
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pslist.PsList.list_processes(
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context = self.context,
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layer_name = self.config['primary'],
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symbol_table = self.config['nt_symbols'],
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filter_func = filter_func)))
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