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https://github.com/volatilityfoundation/volatility3.git
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112 lines
4.6 KiB
Python
112 lines
4.6 KiB
Python
# This file was contributed to the Volatility Framework Version 3.
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# Copyright (C) 2018 Volatility Foundation.
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#
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# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
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# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
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# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
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# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
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# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
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# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
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# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
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# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
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# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
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# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
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# https://www.volatilityfoundation.org/license/vcpl_v1.0
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
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# specific language governing rights and limitations under the License.
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#
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"""In-memory artifacts from OSX systems"""
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from typing import Iterator, Tuple, Any, Generator, List
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from volatility.framework import exceptions, renderers, interfaces
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from volatility.framework.configuration import requirements
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from volatility.framework.interfaces import plugins
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from volatility.framework.objects import utility
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from volatility.plugins.mac import pslist
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class Psaux(plugins.PluginInterface):
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"""Recovers program command line arguments"""
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@classmethod
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def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
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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 = "darwin", description = "Mac kernel symbols")
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]
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def _generator(self, tasks: Iterator[Any]) -> Generator[Tuple[int, Tuple[int, str, int, str]], None, None]:
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for task in tasks:
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proc_layer_name = task.add_process_layer()
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if proc_layer_name is None:
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continue
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proc_layer = self.context.layers[proc_layer_name]
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argsstart = task.user_stack - task.p_argslen
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if not proc_layer.is_valid(argsstart) or task.p_argslen == 0 or task.p_argc == 0:
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continue
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# Add one because the first two are usually duplicates
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argc = task.p_argc + 1
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# smear protection
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if argc > 1024:
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continue
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task_name = utility.array_to_string(task.p_comm)
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args = []
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while argc > 0:
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try:
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arg = proc_layer.read(argsstart, 256)
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except exceptions.PagedInvalidAddressException:
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break
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idx = arg.find(b'\x00')
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if idx != -1:
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arg = arg[:idx]
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argsstart += len(str(arg)) + 1
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# deal with the stupid alignment (leading nulls) and arg duplication
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if len(args) == 0:
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while argsstart < task.user_stack:
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try:
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check = proc_layer.read(argsstart, 1)
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except exceptions.PagedInvalidAddressException:
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break
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if check != b"\x00":
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break
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argsstart = argsstart + 1
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args.append(arg)
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# also check for initial duplicates since OS X is painful
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elif arg != args[0]:
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args.append(arg)
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argc = argc - 1
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args_str = " ".join([s.decode("utf-8") for s in args])
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yield (0, (task.p_pid, task_name, task.p_argc, args_str))
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def run(self) -> renderers.TreeGrid:
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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), ("Argc", int), ("Arguments", str)],
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self._generator(
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pslist.PsList.list_tasks(
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self.context,
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self.config['primary'],
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self.config['darwin'],
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filter_func = filter_func)))
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