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89 lines
3.9 KiB
Python
89 lines
3.9 KiB
Python
# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
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# which is available at https://www.volatilityfoundation.org/license/vsl_v1.0
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#
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import logging
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from typing import List
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import volatility.framework.constants as constants
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import volatility.framework.exceptions as exceptions
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import volatility.framework.interfaces.plugins as interfaces_plugins
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import volatility.framework.renderers as renderers
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import volatility.plugins.windows.pslist as pslist
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from volatility.framework import 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.symbols.windows.extensions import pe
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from volatility.framework.symbols import intermed
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vollog = logging.getLogger(__name__)
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class ProcDump(interfaces_plugins.PluginInterface):
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"""Dumps process executable images."""
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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 [
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requirements.TranslationLayerRequirement(
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name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"]),
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requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
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requirements.IntRequirement(
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name = 'pid', description = "Process ID to include (all other processes are excluded)", optional = True)
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]
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def _generator(self, procs):
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pe_table_name = intermed.IntermediateSymbolTable.create(
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self.context, self.config_path, "windows", "pe", class_types = pe.class_types)
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for proc in procs:
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process_name = utility.array_to_string(proc.ImageFileName)
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# TODO: what kind of exceptions could this raise and what should we do?
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proc_layer_name = proc.add_process_layer()
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try:
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peb = self._context.object(
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self.config["nt_symbols"] + constants.BANG + "_PEB",
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layer_name = proc_layer_name,
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offset = proc.Peb)
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dos_header = self.context.object(
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pe_table_name + constants.BANG + "_IMAGE_DOS_HEADER",
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offset = peb.ImageBaseAddress,
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layer_name = proc_layer_name)
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filedata = interfaces_plugins.FileInterface("pid.{0}.{1:#x}.dmp".format(
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proc.UniqueProcessId, peb.ImageBaseAddress))
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for offset, data in dos_header.reconstruct():
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filedata.data.seek(offset)
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filedata.data.write(data)
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self.produce_file(filedata)
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result_text = "Stored {}".format(filedata.preferred_filename)
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except ValueError:
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result_text = "PE parsing error"
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except exceptions.SwappedInvalidAddressException as exp:
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result_text = "Required memory at {0:#x} is inaccessible (swapped)".format(exp.invalid_address)
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except exceptions.PagedInvalidAddressException as exp:
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result_text = "Required memory at {0:#x} is not valid (process exited?)".format(exp.invalid_address)
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yield (0, (proc.UniqueProcessId, process_name, result_text))
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def run(self):
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filter_func = pslist.PsList.create_pid_filter([self.config.get('pid', None)])
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return renderers.TreeGrid([("PID", int), ("Process", str), ("Result", 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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