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69 lines
2.8 KiB
Python
69 lines
2.8 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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import logging
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from typing import Callable, Iterable, List
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import volatility.framework.interfaces.plugins as interfaces_plugins
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from volatility.framework import renderers, interfaces, contexts, constants
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from volatility.framework.automagic import mac
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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.plugins.mac import pslist
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vollog = logging.getLogger(__name__)
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class Tasks(pslist.PsList):
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"""Lists the processes present in a particular mac memory image"""
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@classmethod
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def list_tasks(cls,
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context: interfaces.context.ContextInterface,
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layer_name: str,
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darwin_symbols: str,
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filter_func: Callable[[int], bool] = lambda _: False) -> \
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Iterable[interfaces.objects.ObjectInterface]:
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"""Lists all the tasks in the primary layer"""
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mac.MacUtilities.aslr_mask_symbol_table(context, darwin_symbols, layer_name)
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kernel = contexts.Module(context, darwin_symbols, layer_name, 0)
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queue_entry = kernel.object_from_symbol(symbol_name = "tasks")
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seen = {}
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for task in queue_entry.walk_list(queue_entry, "tasks", "task"):
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if task.vol.offset in seen:
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vollog.log(logging.INFO, "Recursive process list detected (a result of non-atomic acquisition).")
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break
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else:
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seen[task.vol.offset] = 1
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proc = task.bsd_info.dereference().cast("proc")
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if not context.layers[layer_name].is_valid(proc.vol.offset):
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break
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if not filter_func(proc):
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yield proc
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