Files
volatility3/volatility/framework/plugins/mac/pslist.py
T

80 lines
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Python

import logging
from typing import Callable, Iterable, List
import volatility.framework.interfaces.plugins as interfaces_plugins
from volatility.framework import renderers, interfaces
from volatility.framework.automagic import mac
from volatility.framework.configuration import requirements
from volatility.framework.objects import utility
vollog = logging.getLogger(__name__)
class PsList(interfaces_plugins.PluginInterface):
"""Lists the processes present in a particular mac memory image"""
@classmethod
def get_requirements(cls):
return [
requirements.TranslationLayerRequirement(
name = 'primary', description = 'Kernel Address Space', architectures = ["Intel32", "Intel64"]),
requirements.SymbolRequirement(name = "darwin", description = "Mac Kernel")
]
@classmethod
def create_filter(cls, pid_list: List[int] = None) -> Callable[[int], bool]:
def nullfilter():
return False
filt = nullfilter
# FIXME: mypy #4973 or #2608
pid_list = pid_list or []
filter_list = [x for x in pid_list if x is not None]
if filter_list:
def list_filter(x):
return x not in filter_list
filt = list_filter
return filt
def _generator(self):
for task in self.list_tasks(
self.context,
self.config['primary'],
self.config['darwin'],
filter = self.create_filter([self.config.get('pid', None)])):
pid = task.p_pid
ppid = task.p_ppid
name = utility.array_to_string(task.p_comm)
yield (0, (pid, ppid, name))
@classmethod
def list_tasks(cls,
context: interfaces.context.ContextInterface,
layer_name: str,
mac_symbols: str,
filter: Callable[[int], bool] = lambda _: False) -> \
Iterable[interfaces.objects.ObjectInterface]:
"""Lists all the tasks in the primary layer"""
aslr_shift = mac.MacUtilities.find_aslr(context, mac_symbols, layer_name)
darwin = context.module(mac_symbols, layer_name, aslr_shift)
proc = darwin.object(symbol_name = "allproc").lh_first
seen = {}
while proc is not None and proc.vol.offset != 0:
if proc.vol.offset in seen:
vollog.log(logging.INFO, "Recursive process list detected (a result of non-atomic acquisition).")
break
else:
seen[proc.vol.offset] = 1
yield proc
proc = proc.p_list.le_next.dereference()
def run(self):
return renderers.TreeGrid([("PID", int), ("PPID", int), ("COMM", str)], self._generator())