mirror of
https://github.com/volatilityfoundation/volatility3.git
synced 2026-08-20 05:35:41 +02:00
90 lines
4.0 KiB
Python
90 lines
4.0 KiB
Python
# This file was contributed to the Volatility Framework Version 3.
|
|
# Copyright (C) 2018 Volatility Foundation.
|
|
#
|
|
# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
|
|
# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
|
|
# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
|
|
# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
|
|
# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
|
|
# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
|
|
# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
|
|
# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
|
|
# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
|
|
# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
|
|
# https://www.volatilityfoundation.org/license/vcpl_v1.0
|
|
#
|
|
# Software distributed under the License is distributed on an "AS IS" basis,
|
|
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
|
|
# specific language governing rights and limitations under the License.
|
|
#
|
|
|
|
from typing import List
|
|
|
|
import volatility.framework.interfaces.plugins as interfaces_plugins
|
|
import volatility.framework.interfaces.renderers as interfaces_renderers
|
|
import volatility.plugins.linux.pslist as pslist
|
|
from volatility.framework import constants, interfaces
|
|
from volatility.framework import renderers
|
|
from volatility.framework.configuration import requirements
|
|
from volatility.framework.objects import utility
|
|
from volatility.framework.renderers import format_hints
|
|
|
|
|
|
class Malfind(interfaces_plugins.PluginInterface):
|
|
"""Lists process memory ranges that potentially contain injected code"""
|
|
|
|
@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")
|
|
]
|
|
|
|
def _list_injections(self, task):
|
|
"""Generate memory regions for a process that may contain
|
|
injected code.
|
|
"""
|
|
|
|
proc_layer_name = task.add_process_layer()
|
|
if not proc_layer_name:
|
|
return
|
|
|
|
proc_layer = self.context.memory[proc_layer_name]
|
|
|
|
for vma in task.mm.get_mmap_iter():
|
|
if vma.is_suspicious() and vma.get_name(self.context, task) != "[vdso]":
|
|
data = proc_layer.read(vma.vm_start, 64, pad = True)
|
|
yield vma, data
|
|
|
|
def _generator(self, tasks):
|
|
# determine if we're on a 32 or 64 bit kernel
|
|
if self.context.symbol_space.get_type(self.config["vmlinux"] + constants.BANG + "pointer").size == 4:
|
|
is_32bit_arch = True
|
|
else:
|
|
is_32bit_arch = False
|
|
|
|
for task in tasks:
|
|
process_name = utility.array_to_string(task.comm)
|
|
|
|
for vma, data in self._list_injections(task):
|
|
if is_32bit_arch:
|
|
architecture = "intel"
|
|
else:
|
|
architecture = "intel64"
|
|
|
|
disasm = interfaces_renderers.Disassembly(data, vma.vm_start, architecture)
|
|
|
|
yield (0, (task.pid, process_name, format_hints.Hex(vma.vm_start), format_hints.Hex(vma.vm_end),
|
|
vma.get_protection(), format_hints.HexBytes(data), disasm))
|
|
|
|
def run(self):
|
|
filter_func = pslist.PsList.create_filter([self.config.get('pid', None)])
|
|
|
|
plugin = pslist.PsList.list_tasks
|
|
|
|
return renderers.TreeGrid(
|
|
[("PID", int), ("Process", str), ("Start", format_hints.Hex), ("End", format_hints.Hex),
|
|
("Protection", str), ("Hexdump", format_hints.HexBytes), ("Disasm", interfaces_renderers.Disassembly)],
|
|
self._generator(plugin(self.context, self.config['primary'], self.config['vmlinux'], filter = filter_func)))
|