mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
atcuno
118 lines
3.9 KiB
Python
118 lines
3.9 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.commands as commands
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import volatility.utils as utils
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import volatility.obj as obj
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def set_plugin_members(obj_ref):
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obj_ref.addr_space = utils.load_as(obj_ref._config)
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class AbstractMacCommand(commands.command):
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def __init__(self, *args, **kwargs):
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self.addr_space = None
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commands.Command.__init__(self, *args, **kwargs)
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@property
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def profile(self):
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if self.addr_space:
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return self.addr_space.profile
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return None
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def execute(self, *args, **kwargs):
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commands.Command.execute(self, *args, **kwargs)
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@staticmethod
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def register_options(config):
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config.add_option("SHIFT", type = 'int', default = 0, help = "Mac KASLR shift address")
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@staticmethod
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def is_valid_profile(profile):
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return profile.metadata.get('os', 'Unknown').lower() == 'mac'
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def get_profile_symbol(self, sym_name, nm_type = "", sym_type = "", module = "kernel"):
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'''
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Gets a symbol out of the profile
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syn_name -> name of the symbol
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nm_tyes -> types as defined by 'nm' (man nm for examples)
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sym_type -> the type of the symbol (passing Pointer will provide auto deref)
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module -> which module to get the symbol from, default is kernel, otherwise can be any name seen in 'lsmod'
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Just a wrapper for AbstractLinuxProfile.get_symbol
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'''
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return self.profile.get_symbol(sym_name, nm_type, sym_type, module)
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def is_known_address(handler, kernel_symbol_addresses, kmods, printme = 0):
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# see if this handler is in a known location
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good = 0
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handler = handler.v()
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if handler in kernel_symbol_addresses:
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if printme:
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print " in kernel ",
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good = 1
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else:
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# see if the address fits in any of the known modules
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for (start, end, name) in kmods:
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if start <= handler <= end:
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if printme:
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print " in module %s ".format(name),
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good = 1
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break
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return good
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def get_kernel_addrs(obj_ref):
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import volatility.plugins.mac.lsmod as lsmod
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# all the known addresses in the kernel
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# TODO -- make more stringent and get only symbols from .text
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kernel_symbol_addresses = obj_ref.profile.get_all_addresses()
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# module addresses, tuple of (start, end)
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# TODO -- make sure more stringent and parse each kext in-memory so we only allow whitelist from .text
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kmods = [(kmod.address, kmod.address + kmod.m('size'), kmod.name) for kmod in lsmod.mac_lsmod(obj_ref._config).calculate()]
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return (kernel_symbol_addresses, kmods)
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## FIXME: remove this function after all references from plugins are removed
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def get_string(addr, addr_space, maxlen = 256):
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name = addr_space.read(addr, maxlen)
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ret = ""
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for n in name:
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if ord(n) == 0:
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break
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ret = ret + n
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return ret
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# account for c++ symbol name mangling
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def get_cpp_sym(name, profile):
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for (cppname, addr) in profile.get_all_symbols():
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if cppname.find(name) != -1:
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return addr
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return None
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