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volatility3/volatility/framework/plugins/windows/vaddump.py
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Python

# This file was contributed to the Volatility Framework Version 3.
# Copyright (C) 2018 Volatility Foundation.
#
# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
# https://www.volatilityfoundation.org/license/vcpl_v1.0
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
# specific language governing rights and limitations under the License.
#
import logging
from typing import List
import volatility.plugins.windows.pslist as pslist
import volatility.plugins.windows.vadinfo as vadinfo
import volatility.framework.interfaces.plugins as interfaces_plugins
from volatility.framework import renderers, interfaces, exceptions
from volatility.framework.configuration import requirements
from volatility.framework.objects import utility
vollog = logging.getLogger(__name__)
class VadDump(interfaces_plugins.PluginInterface):
"""Dumps process memory ranges"""
@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.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
# TODO: Convert this to a ListRequirement so that people can filter on sets of ranges
requirements.IntRequirement(name = 'address',
description = "Process virtual memory address to include " \
"(all other address ranges are excluded). This must be " \
"a base address, not an address within the desired range.",
optional = True)] + pslist.PsList.list_processes_filter_requirements
def _generator(self, procs):
filter_func = lambda _: False
if self.config.get('address', None) is not None:
filter_func = lambda x: x.get_start() not in [self.config['address']]
chunk_size = 1024 * 1024 * 10
for proc in procs:
process_name = utility.array_to_string(proc.ImageFileName)
# TODO: what kind of exceptions could this raise and what should we do?
proc_layer_name = proc.add_process_layer()
proc_layer = self.context.layers[proc_layer_name]
for vad in vadinfo.VadInfo.list_vads(proc, filter_func = filter_func):
try:
filedata = interfaces_plugins.FileInterface("pid.{0}.vad.{1:#x}-{2:#x}.dmp".format(
proc.UniqueProcessId, vad.get_start(), vad.get_end()))
offset = vad.get_start()
out_of_range = vad.get_start() + vad.get_end()
while offset < out_of_range:
to_read = min(chunk_size, out_of_range - offset)
data = proc_layer.read(offset, to_read, pad = True)
if not data:
break
filedata.data.write(data)
offset += to_read
self.produce_file(filedata)
result_text = "Stored {}".format(filedata.preferred_filename)
except exceptions.InvalidAddressException:
result_text = "Unable to dump {0:#x} - {1:#x}".format(vad.get_start(), vad.get_end())
yield (0, (proc.UniqueProcessId, process_name, result_text))
def run(self):
filter_func = pslist.PsList.create_pid_filter([self.config.get('pid', None)])
return renderers.TreeGrid([("PID", int), ("Process", str), ("Result", str)],
self._generator(
pslist.PsList.list_processes(
context = self.context,
layer_name = self.config['primary'],
symbol_table = self.config['nt_symbols'],
filter_func = filter_func)))