mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
iSmellPowder
89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
# Volatility
|
|
#
|
|
# 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 as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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: Joe Sylve
|
|
@license: GNU General Public License 2.0
|
|
@contact: joe.sylve@gmail.com
|
|
@organization: 504ENSICS Labs
|
|
"""
|
|
|
|
import volatility.obj as obj
|
|
import volatility.debug as debug
|
|
import volatility.plugins.linux.common as linux_common
|
|
import volatility.plugins.linux.lsmod as linux_lsmod
|
|
from volatility.renderers import TreeGrid
|
|
from volatility.renderers.basic import Address
|
|
|
|
class linux_check_tty(linux_common.AbstractLinuxCommand):
|
|
"""Checks tty devices for hooks"""
|
|
|
|
def calculate(self):
|
|
linux_common.set_plugin_members(self)
|
|
|
|
modules = linux_lsmod.linux_lsmod(self._config).get_modules()
|
|
|
|
tty_addr = self.addr_space.profile.get_symbol("tty_drivers")
|
|
|
|
if not tty_addr:
|
|
debug.error("Symbol tty_drivers not found in kernel")
|
|
|
|
drivers = obj.Object("list_head", offset = tty_addr, vm = self.addr_space)
|
|
|
|
sym_cache = {}
|
|
|
|
for tty in drivers.list_of_type("tty_driver", "tty_drivers"):
|
|
name = tty.name.dereference_as("String", length = linux_common.MAX_STRING_LENGTH)
|
|
|
|
ttys = obj.Object("Array", targetType = "Pointer", vm = self.addr_space, offset = tty.ttys, count = tty.num)
|
|
for tty_dev in ttys:
|
|
if tty_dev == 0:
|
|
continue
|
|
|
|
tty_dev = tty_dev.dereference_as("tty_struct")
|
|
name = tty_dev.name
|
|
recv_buf = tty_dev.ldisc.ops.receive_buf
|
|
|
|
known = self.is_known_address(recv_buf, modules)
|
|
|
|
if not known:
|
|
sym_name = "HOOKED"
|
|
hooked = 1
|
|
else:
|
|
sym_name = self.profile.get_symbol_by_address("kernel", recv_buf)
|
|
hooked = 0
|
|
|
|
sym_cache[recv_buf] = sym_name
|
|
|
|
yield (name, recv_buf, sym_name, hooked)
|
|
|
|
def unified_output(self, data):
|
|
return TreeGrid([("Name", str),
|
|
("Address", Address),
|
|
("Symbol", str)],
|
|
self.generator(data))
|
|
|
|
def generator(self, data):
|
|
for name, call_addr, sym_name, _hooked in data:
|
|
yield (0, [str(name), Address(call_addr), str(sym_name)])
|
|
|
|
def render_text(self, outfd, data):
|
|
self.table_header(outfd, [("Name", "<16"), ("Address", "[addrpad]"), ("Symbol", "<30")])
|
|
for name, call_addr, sym_name, _hooked in data:
|
|
self.table_row(outfd, name, call_addr, sym_name)
|