mirror of
https://github.com/volatilityfoundation/volatility
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iMHLv2
56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
# Volatility
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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@author: Andrew Case
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@license: GNU General Public License 2.0 or later
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@contact: atcuno@gmail.com
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@organization:
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"""
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import volatility.obj as obj
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import common
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class mac_check_syscalls(common.AbstractMacCommand):
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""" Checks to see if system call table entries are hooked """
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def calculate(self):
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common.set_plugin_members(self)
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sym_addrs = self.profile.get_all_addresses()
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nsysent = obj.Object("int", offset = self.addr_space.profile.get_symbol("_nsysent"), vm = self.addr_space)
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sysents = obj.Object(theType = "Array", offset = self.addr_space.profile.get_symbol("_sysent"), vm = self.addr_space, count = nsysent, targetType = "sysent")
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for (i, sysent) in enumerate(sysents):
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ent_addr = sysent.sy_call.v()
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hooked = ent_addr not in sym_addrs
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yield ("SyscallTable", i, ent_addr, hooked)
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Table Name", "15"), ("Index", "6"), ("Address", "[addrpad]"), ("Symbol", "<30")])
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for (table_name, i, call_addr, hooked) in data:
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if hooked == False:
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sym_name = self.profile.get_symbol_by_address("kernel", call_addr)
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else:
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sym_name = "HOOKED"
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self.table_row(outfd, table_name, i, call_addr, sym_name)
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