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71 lines
3.3 KiB
Python
71 lines
3.3 KiB
Python
# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
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# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
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#
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import datetime
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from typing import Iterable
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from volatility.framework import renderers, interfaces
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from volatility.framework.configuration import requirements
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from volatility.framework.renderers import format_hints
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from volatility.plugins import timeliner
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from volatility.plugins.windows import poolscanner
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class PsScan(interfaces.plugins.PluginInterface, timeliner.TimeLinerInterface):
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"""Scans for processes present in a particular windows 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(name = 'primary',
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description = 'Memory layer for the kernel',
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architectures = ["Intel32", "Intel64"]),
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requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
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]
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@classmethod
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def scan_processes(cls,
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context: interfaces.context.ContextInterface,
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layer_name: str,
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symbol_table: str) -> \
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Iterable[interfaces.objects.ObjectInterface]:
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"""Scans for processes using the poolscanner module and constraints.
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Args:
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context: The context to retrieve required elements (layers, symbol tables) from
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layer_name: The name of the layer on which to operate
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symbol_table: The name of the table containing the kernel symbols
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Returns:
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A list of processes found by scanning the `layer_name` layer for process pool signatures
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"""
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constraints = poolscanner.PoolScanner.builtin_constraints(symbol_table, [b'Pro\xe3', b'Proc'])
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for result in poolscanner.PoolScanner.generate_pool_scan(context, layer_name, symbol_table, constraints):
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_constraint, mem_object, _header = result
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yield mem_object
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def _generator(self):
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for proc in self.scan_processes(self.context, self.config['primary'], self.config['nt_symbols']):
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yield (0, (proc.UniqueProcessId, proc.InheritedFromUniqueProcessId,
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proc.ImageFileName.cast("string", max_length = proc.ImageFileName.vol.count, errors = 'replace'),
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format_hints.Hex(proc.vol.offset), proc.ActiveThreads, proc.get_handle_count(),
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proc.get_session_id(), proc.get_is_wow64(), proc.get_create_time(), proc.get_exit_time()))
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def generate_timeline(self):
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for row in self._generator():
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_depth, row_data = row
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description = "Process: {} ({})".format(row_data[2], row_data[3])
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yield (description, timeliner.TimeLinerType.CREATED, row_data[8])
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yield (description, timeliner.TimeLinerType.MODIFIED, row_data[9])
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def run(self):
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return renderers.TreeGrid([("PID", int), ("PPID", int), ("ImageFileName", str), ("Offset", format_hints.Hex),
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("Threads", int), ("Handles", int), ("SessionId", int), ("Wow64", bool),
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("CreateTime", datetime.datetime), ("ExitTime", datetime.datetime)],
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self._generator())
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