mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# Volatility
|
|
# Copyright (C) 2007-2013 Volatility Foundation
|
|
#
|
|
# This file is part of Volatility.
|
|
#
|
|
# Volatility is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License Version 2 as
|
|
# published by the Free Software Foundation. You may not use, modify or
|
|
# distribute this program under any other version of the GNU General
|
|
# Public License.
|
|
#
|
|
# Volatility is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Volatility. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
"""
|
|
@author: Andrew Case
|
|
@license: GNU General Public License 2.0
|
|
@contact: atcuno@gmail.com
|
|
@organization:
|
|
"""
|
|
|
|
import volatility.obj as obj
|
|
import volatility.plugins.linux.common as linux_common
|
|
import volatility.plugins.linux.lsmod as linux_lsmod
|
|
|
|
class linux_hidden_modules(linux_common.AbstractLinuxCommand):
|
|
"""Carves memory to find hidden kernel modules"""
|
|
|
|
def walk_modules_address_space(self, addr_space):
|
|
mods = [x[0].obj_offset for x in linux_lsmod.linux_lsmod(self._config).calculate()]
|
|
|
|
min_addr = obj.Object("unsigned long", offset = addr_space.profile.get_symbol("module_addr_min"), vm = addr_space)
|
|
max_addr = obj.Object("unsigned long", offset = addr_space.profile.get_symbol("module_addr_max"), vm = addr_space)
|
|
|
|
for cur_addr in range(min_addr, max_addr, 8):
|
|
m = obj.Object("module", offset = cur_addr, vm = addr_space)
|
|
|
|
if m.state.v() not in [0, 1, 2]:
|
|
continue
|
|
|
|
if m.core_size < 4096 or m.core_size > 1000000:
|
|
continue
|
|
|
|
if m.core_text_size < 4096 or m.core_text_size > 1000000:
|
|
continue
|
|
|
|
s = self.addr_space.read(m.name.obj_offset, 64)
|
|
if not s:
|
|
continue
|
|
|
|
idx = s.find("\x00")
|
|
|
|
if idx < 1:
|
|
continue
|
|
|
|
name = s[:idx]
|
|
for n in name:
|
|
if not (32 < ord(n) < 127):
|
|
continue
|
|
|
|
if not m.module_core.is_valid():
|
|
continue
|
|
|
|
if m.obj_offset not in mods:
|
|
yield m
|
|
|
|
def calculate(self):
|
|
linux_common.set_plugin_members(self)
|
|
|
|
for mod in self.walk_modules_address_space(self.addr_space):
|
|
yield mod
|
|
|
|
def render_text(self, outfd, data):
|
|
self.table_header(outfd, [("Offset (V)", "[addrpad]"), ("Name", "")])
|
|
|
|
for module in data:
|
|
self.table_row(outfd, module.obj_offset, str(module.name))
|
|
|
|
|
|
|