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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 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: 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
class linux_keyboard_notifiers(linux_common.AbstractLinuxCommand):
"""Parses the keyboard notifier call chain"""
def calculate(self):
linux_common.set_plugin_members(self)
knl_addr = self.addr_space.profile.get_symbol("keyboard_notifier_list")
if not knl_addr:
debug.error("Symbol keyboard_notifier_list not found in kernel")
knl = obj.Object("atomic_notifier_head", offset = knl_addr, vm = self.addr_space)
symbol_cache = {}
for call_back in linux_common.walk_internal_list("notifier_block", "next", knl.head):
call_addr = call_back.notifier_call
if symbol_cache.has_key(call_addr):
sym_name = symbol_cache[call_addr]
hooked = 0
else:
sym_name = self.profile.get_symbol_by_address("kernel", call_addr)
if not sym_name:
sym_name = "HOOKED"
module = obj.Object("module", offset = 0xffffffffa03a15d0, vm = self.addr_space)
sym = module.get_symbol_for_address(call_addr)
sym_name = "%s: %s/%s" % (sym_name, module.name, sym)
hooked = 1
symbol_cache[call_addr] = sym_name
yield call_addr, sym_name, hooked
def render_text(self, outfd, data):
self.table_header(outfd, [("Address", "[addrpad]"), ("Symbol", "<30")])
for call_addr, sym_name, _ in data:
self.table_row(outfd, call_addr, sym_name)