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102 lines
4.0 KiB
Python
102 lines
4.0 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
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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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vollog = logging.getLogger(__name__)
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class PsList(interfaces_plugins.PluginInterface):
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"""Lists the processes present in a particular mac memory image"""
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@classmethod
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def get_requirements(cls):
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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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@classmethod
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def create_filter(cls, pid_list: List[int] = None) -> Callable[[int], bool]:
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def nullfilter():
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return False
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filter_func = nullfilter
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# FIXME: mypy #4973 or #2608
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pid_list = pid_list or []
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filter_list = [x for x in pid_list if x is not None]
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if filter_list:
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def list_filter(x):
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return x not in filter_list
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filter_func = list_filter
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return filter_func
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def _generator(self):
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for task in self.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 = self.create_filter([self.config.get('pid', None)])):
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pid = task.p_pid
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ppid = task.p_ppid
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name = utility.array_to_string(task.p_comm)
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yield (0, (pid, ppid, name))
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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: 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, absolute_symbol_addresses = True)
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proc = kernel.object(symbol_name = "allproc").lh_first
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seen = {}
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while proc is not None and proc.vol.offset != 0:
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if proc.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[proc.vol.offset] = 1
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yield proc
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proc = proc.p_list.le_next.dereference()
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def run(self):
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return renderers.TreeGrid([("PID", int), ("PPID", int), ("COMM", str)], self._generator())
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