mirror of
https://github.com/volatilityfoundation/volatility
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iMHLv2
130 lines
4.8 KiB
Python
130 lines
4.8 KiB
Python
# Volatility
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#
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# 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 volatility.win32.tasks as tasks
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import volatility.timefmt as timefmt
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import volatility.utils as utils
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import volatility.debug as debug
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import volatility.obj as obj
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import volatility.cache as cache
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import volatility.registry as registry
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import volatility.plugins.kdbgscan as kdbgscan
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class ImageInfo(kdbgscan.KDBGScan):
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""" Identify information for the image """
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def render_text(self, outfd, data):
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"""Renders the calculated data as text to outfd"""
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for k, v in data:
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outfd.write("{0:>30} : {1}\n".format(k, v))
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@cache.CacheDecorator("tests/imageinfo")
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def calculate(self):
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"""Calculates various information about the image"""
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print "Determining profile based on KDBG search...\n"
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profilelist = [ p.__name__ for p in registry.get_plugin_classes(obj.Profile).values() ]
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bestguess = None
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suglist = [ s for s, _ in kdbgscan.KDBGScan.calculate(self)]
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if suglist:
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bestguess = suglist[0]
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suggestion = ", ".join(set(suglist))
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# Set our suggested profile first, then run through the list
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if bestguess in profilelist:
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profilelist = [bestguess] + profilelist
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chosen = 'no profile'
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# Save the original profile
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origprofile = self._config.PROFILE
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# Force user provided profile over others
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profilelist = [origprofile] + profilelist
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for profile in profilelist:
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debug.debug('Trying profile ' + profile)
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self._config.update('PROFILE', profile)
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addr_space = utils.load_as(self._config, astype = 'any')
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if hasattr(addr_space, "dtb"):
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chosen = profile
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break
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if bestguess != chosen:
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if not suggestion:
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suggestion = 'No suggestion'
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suggestion += ' (Instantiated with ' + chosen + ')'
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yield ('Suggested Profile(s)', suggestion)
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tmpas = addr_space
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count = 0
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while tmpas:
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count += 1
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yield ('AS Layer' + str(count), tmpas.__class__.__name__ + " (" + tmpas.name + ")")
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tmpas = tmpas.base
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if not hasattr(addr_space, "pae"):
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yield ('PAE type', "No PAE")
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else:
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yield ('PAE type', "PAE" if addr_space.pae else "No PAE")
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if hasattr(addr_space, "dtb"):
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yield ('DTB', hex(addr_space.dtb))
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volmagic = obj.VolMagic(addr_space)
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if hasattr(addr_space, "dtb"):
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kdbg = volmagic.KDBG.v()
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if type(kdbg) == int:
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kdbg = obj.Object("_KDDEBUGGER_DATA64", offset = kdbg, vm = addr_space)
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if kdbg.is_valid():
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yield ('KDBG', hex(kdbg.obj_offset))
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kpcr_list = list(kdbg.kpcrs())
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yield ('Number of Processors', len(kpcr_list))
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yield ('Image Type (Service Pack)', kdbg.ServicePack)
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for kpcr in kpcr_list:
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yield ('KPCR for CPU {0}'.format(kpcr.ProcessorBlock.Number), hex(kpcr.obj_offset))
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KUSER_SHARED_DATA = volmagic.KUSER_SHARED_DATA.v()
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if KUSER_SHARED_DATA:
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yield ('KUSER_SHARED_DATA', hex(KUSER_SHARED_DATA))
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data = self.get_image_time(addr_space)
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if data:
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yield ('Image date and time', data['ImageDatetime'])
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yield ('Image local date and time', timefmt.display_datetime(data['ImageDatetime'].as_datetime(), data['ImageTz']))
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# Make sure to reset the profile to its original value to keep the invalidator from blocking the cache
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self._config.update('PROFILE', origprofile)
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def get_image_time(self, addr_space):
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"""Get the Image Datetime"""
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result = {}
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KUSER_SHARED_DATA = obj.VolMagic(addr_space).KUSER_SHARED_DATA.v()
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k = obj.Object("_KUSER_SHARED_DATA",
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offset = KUSER_SHARED_DATA,
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vm = addr_space)
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if k == None:
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return k
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result['ImageDatetime'] = k.SystemTime
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result['ImageTz'] = timefmt.OffsetTzInfo(-k.TimeZoneBias.as_windows_timestamp() / 10000000)
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return result
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