# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
#
"""A module containing a collection of plugins that produce data typically
found in Linux's /proc file system."""
from typing import List
from volatility3.framework import renderers, interfaces
from volatility3.framework.configuration import requirements
from volatility3.framework.interfaces import plugins
from volatility3.framework.objects import utility
from volatility3.framework.renderers import format_hints
from volatility3.plugins.linux import pslist
[docs]class Elfs(plugins.PluginInterface):
"""Lists all memory mapped ELF files for all processes."""
_required_framework_version = (1, 0, 0)
[docs] @classmethod
def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
return [
requirements.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "vmlinux", description = "Linux kernel symbols"),
requirements.PluginRequirement(name = 'pslist', plugin = pslist.PsList, version = (1, 0, 0)),
requirements.ListRequirement(name = 'pid',
description = 'Filter on specific process IDs',
element_type = int,
optional = True)
]
def _generator(self, tasks):
for task in tasks:
proc_layer_name = task.add_process_layer()
if not proc_layer_name:
continue
proc_layer = self.context.layers[proc_layer_name]
name = utility.array_to_string(task.comm)
for vma in task.mm.get_mmap_iter():
hdr = proc_layer.read(vma.vm_start, 4, pad = True)
if not (hdr[0] == 0x7f and hdr[1] == 0x45 and hdr[2] == 0x4c and hdr[3] == 0x46):
continue
path = vma.get_name(self.context, task)
yield (0, (task.pid, name, format_hints.Hex(vma.vm_start), format_hints.Hex(vma.vm_end), path))
[docs] def run(self):
filter_func = pslist.PsList.create_pid_filter(self.config.get('pid', None))
return renderers.TreeGrid([("PID", int), ("Process", str), ("Start", format_hints.Hex),
("End", format_hints.Hex), ("File Path", str)],
self._generator(
pslist.PsList.list_tasks(self.context,
self.config['primary'],
self.config['vmlinux'],
filter_func = filter_func)))