mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
iMHLv2
61 lines
2.1 KiB
Python
61 lines
2.1 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 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: Andrew Case
|
|
@license: GNU General Public License 2.0
|
|
@contact: atcuno@gmail.com
|
|
@organization:
|
|
"""
|
|
|
|
import volatility.obj as obj
|
|
import common
|
|
|
|
class mac_check_syscalls(common.AbstractMacCommand):
|
|
""" Checks to see if system call table entries are hooked """
|
|
|
|
def calculate(self):
|
|
common.set_plugin_members(self)
|
|
|
|
sym_addrs = self.profile.get_all_addresses()
|
|
|
|
table_addr = self.addr_space.profile.get_symbol("_sysent")
|
|
|
|
nsysent = obj.Object("int", offset = self.addr_space.profile.get_symbol("_nsysent"), vm = self.addr_space)
|
|
sysents = obj.Object(theType = "Array", offset = table_addr, vm = self.addr_space, count = nsysent, targetType = "sysent")
|
|
|
|
for (i, sysent) in enumerate(sysents):
|
|
ent_addr = sysent.sy_call.v()
|
|
hooked = ent_addr not in sym_addrs
|
|
|
|
if hooked == False:
|
|
sym_name = self.profile.get_symbol_by_address("kernel", ent_addr)
|
|
else:
|
|
sym_name = "HOOKED"
|
|
|
|
yield (table_addr, "SyscallTable", i, ent_addr, hooked, sym_name)
|
|
|
|
def render_text(self, outfd, data):
|
|
self.table_header(outfd, [("Table Name", "15"), ("Index", "6"), ("Address", "[addrpad]"), ("Symbol", "<30")])
|
|
for (_, table_name, i, call_addr, hooked, sym_name) in data:
|
|
self.table_row(outfd, table_name, i, call_addr, sym_name)
|
|
|
|
|
|
|