# 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 = (2, 0, 0)
[docs] @classmethod
def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
return [
requirements.ModuleRequirement(
name="kernel",
description="Linux kernel",
architectures=["Intel32", "Intel64"],
),
requirements.PluginRequirement(
name="pslist", plugin=pslist.PsList, version=(2, 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["kernel"], filter_func=filter_func
)
),
)