Files
volatility3/volatility/framework/plugins/windows/modscan.py
T
2020-08-31 17:05:20 +01:00

91 lines
4.2 KiB
Python

# 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 volatility.framework import renderers, interfaces, exceptions
from volatility.framework.configuration import requirements
from volatility.framework.renderers import format_hints
from volatility.framework.symbols import intermed
from volatility.framework.symbols.windows import extensions
from volatility.plugins.windows import poolscanner, dlllist
class ModScan(interfaces.plugins.PluginInterface):
"""Scans for modules present in a particular windows memory image."""
@classmethod
def get_requirements(cls):
return [
requirements.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
requirements.VersionRequirement(name = 'poolerscanner',
component = poolscanner.PoolScanner,
version = (1, 0, 0)),
requirements.VersionRequirement(name = 'dlllist', component = dlllist.DllList, version = (1, 0, 0)),
requirements.BooleanRequirement(name = 'dump',
description = "Extract listed modules",
default = False,
optional = True)
]
@classmethod
def scan_modules(cls,
context: interfaces.context.ContextInterface,
layer_name: str,
symbol_table: str) -> \
Iterable[interfaces.objects.ObjectInterface]:
"""Scans for modules 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 Driver objects as found from the `layer_name` layer based on Driver pool signatures
"""
constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'MmLd'])
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):
pe_table_name = intermed.IntermediateSymbolTable.create(self.context,
self.config_path,
"windows",
"pe",
class_types = extensions.pe.class_types)
for mod in self.scan_modules(self.context, self.config['primary'], self.config['nt_symbols']):
try:
BaseDllName = mod.BaseDllName.get_string()
except exceptions.InvalidAddressException:
BaseDllName = ""
try:
FullDllName = mod.FullDllName.get_string()
except exceptions.InvalidAddressException:
FullDllName = ""
dumped = False
if self.config['dump']:
filedata = dlllist.DllList.dump_pe(self.context, pe_table_name, mod)
if filedata:
self.produce_file(filedata)
dumped = True
yield (0, (format_hints.Hex(mod.vol.offset), format_hints.Hex(mod.DllBase),
format_hints.Hex(mod.SizeOfImage), BaseDllName, FullDllName, dumped))
def run(self):
return renderers.TreeGrid([("Offset", format_hints.Hex), ("Base", format_hints.Hex), ("Size", format_hints.Hex),
("Name", str), ("Path", str), ("Dumped", bool)], self._generator())