mirror of
https://github.com/volatilityfoundation/volatility3.git
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66 lines
2.8 KiB
Python
66 lines
2.8 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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from typing import Dict, Set
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from volatility.framework import objects, interfaces
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from volatility.framework.renderers import format_hints
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from volatility.plugins.windows import pslist
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class PsTree(pslist.PsList):
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"""Plugin for listing processes in a tree based on their parent process ID """
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def __init__(self, *args, **kwargs) -> None:
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super().__init__(*args, **kwargs)
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self._processes = {} # type: Dict[int, interfaces.objects.ObjectInterface]
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self._levels = {} # type: Dict[int, int]
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self._children = {} # type: Dict[int, Set[int]]
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def find_level(self, pid: objects.Pointer) -> None:
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"""Finds how deep the pid is in the processes list"""
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seen = set([])
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seen.add(pid)
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level = 0
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proc = self._processes.get(pid, None)
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while proc is not None and proc.InheritedFromUniqueProcessId not in seen:
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child_list = self._children.get(proc.InheritedFromUniqueProcessId, set([]))
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child_list.add(proc.UniqueProcessId)
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self._children[proc.InheritedFromUniqueProcessId] = child_list
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proc = self._processes.get(proc.InheritedFromUniqueProcessId, None)
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level += 1
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self._levels[pid] = level
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def _generator(self):
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"""Generates the Tree of processes"""
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for proc in self.list_processes(self.context, self.config['primary'], self.config['nt_symbols']):
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if not self.config.get('physical', self.PHYSICAL_DEFAULT):
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offset = proc.vol.offset
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else:
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layer_name = self.config['primary']
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memory = self.context.layers[layer_name]
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(_, offset, _, _) = list(memory.mapping(offset = proc.vol.offset, length = 0))[0]
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self._processes[proc.UniqueProcessId] = proc
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# Build the child/level maps
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for pid in self._processes:
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self.find_level(pid)
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def yield_processes(pid):
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proc = self._processes[pid]
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row = (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(offset), proc.ActiveThreads, proc.get_handle_count(), proc.get_session_id(),
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proc.get_is_wow64(), proc.get_create_time(), proc.get_exit_time())
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yield (self._levels[pid] - 1, row)
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for child_pid in self._children.get(pid, []):
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yield from yield_processes(child_pid)
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for pid in self._levels:
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if self._levels[pid] == 1:
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yield from yield_processes(pid)
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