mirror of
https://github.com/volatilityfoundation/volatility3.git
synced 2026-08-26 16:12:23 +02:00
91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
"""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 = 'Kernel Address Space', architectures = ["Intel32", "Intel64"]),
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requirements.SymbolRequirement(name = "darwin", description = "Mac Kernel")
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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.memory[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 not task.p_argslen or not task.p_argc):
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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 not args:
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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 -= 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 = pslist.PsList.create_filter([self.config.get('pid', None)])
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plugin = pslist.PsList.list_tasks
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return renderers.TreeGrid(
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[("PID", int), ("Process", str), ("Argc", int), ("Arguments", str)],
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self._generator(plugin(self.context, self.config['primary'], self.config['darwin'], filter = filter)))
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