mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
iMHLv2
6c6f3844e4
dumping exe vs mem is now just a commandline arg to ProcDump. move main methods to object classes of _IMAGE_DOS_HEADER - now its easier to extract PE files from anywhere without inheriting from a plugin
99 lines
4.2 KiB
Python
99 lines
4.2 KiB
Python
# Volatility
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# Copyright (C) 2007-2013 Volatility Foundation
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# Copyright (c) 2008 Brendan Dolan-Gavitt <bdolangavitt@wesleyan.edu>
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#
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# Additional Authors:
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# Mike Auty <mike.auty@gmail.com>
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#
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# This file is part of Volatility.
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#
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# Volatility 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
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# (at your option) any later version.
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#
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# Volatility is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU 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 Volatility. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import re
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import volatility.plugins.procdump as procdump
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import volatility.cache as cache
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import volatility.win32.modules as modules
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import volatility.win32.tasks as tasks
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import volatility.utils as utils
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import volatility.debug as debug
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class ModDump(procdump.ProcDump):
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"""Dump a kernel driver to an executable file sample"""
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def __init__(self, config, *args, **kwargs):
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procdump.ProcDump.__init__(self, config, *args, **kwargs)
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config.remove_option("PID")
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config.remove_option("OFFSET")
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config.add_option('REGEX', short_option = 'r',
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help = 'Dump modules matching REGEX',
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action = 'store', type = 'string')
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config.add_option('IGNORE-CASE', short_option = 'i',
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help = 'Ignore case in pattern match',
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action = 'store_true', default = False)
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config.add_option('BASE', short_option = 'b', default = None,
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help = 'Dump driver with BASE address (in hex)',
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action = 'store', type = 'int')
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@cache.CacheDecorator(lambda self: "tests/moddump/regex={0}/ignore-case={1}/base={2}".format(self._config.REGEX, self._config.IGNORE_CASE, self._config.BASE))
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def calculate(self):
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addr_space = utils.load_as(self._config)
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if self._config.REGEX:
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try:
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if self._config.IGNORE_CASE:
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mod_re = re.compile(self._config.REGEX, re.I)
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else:
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mod_re = re.compile(self._config.REGEX)
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except re.error, e:
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debug.error('Error parsing regular expression: {0}'.format(e))
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mods = dict((mod.DllBase.v(), mod) for mod in modules.lsmod(addr_space))
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# We need the process list to find spaces for some drivers. Enumerate them here
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# instead of inside the find_space function, so we only have to do it once.
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procs = list(tasks.pslist(addr_space))
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if self._config.BASE:
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if mods.has_key(self._config.BASE):
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mod_name = mods[self._config.BASE].BaseDllName
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else:
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mod_name = "UNKNOWN"
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yield addr_space, procs, int(self._config.BASE), mod_name
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else:
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for mod in mods.values():
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if self._config.REGEX:
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if not mod_re.search(str(mod.FullDllName or '')) and not mod_re.search(str(mod.BaseDllName or '')):
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continue
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yield addr_space, procs, mod.DllBase.v(), mod.BaseDllName
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def render_text(self, outfd, data):
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if self._config.DUMP_DIR == None:
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debug.error("Please specify a dump directory (--dump-dir)")
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if not os.path.isdir(self._config.DUMP_DIR):
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debug.error(self._config.DUMP_DIR + " is not a directory")
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self.table_header(outfd, [("Module Base", "[addrpad]"),
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("Module Name", "20"),
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("Result", "")])
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for addr_space, procs, mod_base, mod_name in data:
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space = tasks.find_space(addr_space, procs, mod_base)
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if space == None:
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result = "Error: Cannot acquire AS"
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else:
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dump_file = "driver.{0:x}.sys".format(mod_base)
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result = self.dump_pe(space, mod_base, dump_file)
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self.table_row(outfd, mod_base, mod_name, result)
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