/usr/lib/python2.7/dist-packages/volatility/plugins/mac/check_syscall_table.py is in volatility 2.3.1-7.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | # 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 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)
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