mirror of
https://github.com/volatilityfoundation/volatility
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iMHLv2
131 lines
5.2 KiB
Python
131 lines
5.2 KiB
Python
# Volatility
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# Copyright (C) 2007,2008 Volatile Systems
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# Copyright (C) 2010,2011,2012 Michael Hale Ligh <michael.ligh@mnin.org>
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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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import volatility.obj as obj
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import volatility.scan as scan
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import volatility.utils as utils
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import volatility.plugins.filescan as filescan
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import volatility.plugins.common as common
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import volatility.plugins.gui.sessions as sessions
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class PoolScanWind(scan.PoolScanner):
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"""PoolScanner for window station objects"""
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def object_offset(self, found, address_space):
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""" This returns the offset of the object contained within
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this pool allocation.
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"""
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pool_base = found - \
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self.buffer.profile.get_obj_offset('_POOL_HEADER', 'PoolTag')
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pool_obj = obj.Object("_POOL_HEADER", vm = address_space,
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offset = pool_base)
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pool_alignment = obj.VolMagic(address_space).PoolAlignment.v()
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object_base = (pool_base + pool_obj.BlockSize * pool_alignment -
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common.pool_align(address_space,
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'tagWINDOWSTATION', pool_alignment))
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return object_base
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checks = [ ('PoolTagCheck', dict(tag = "Win\xe4")),
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# seen as 0x98 on xpsp2 and xpsp3, 0x90 on w2k3*, 0xa0 on w7sp0
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('CheckPoolSize', dict(condition = lambda x: x >= 0x90)),
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# only look in non-paged or free pools
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('CheckPoolType', dict(paged = False, non_paged = True, free = True)),
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('CheckPoolIndex', dict(value = 0)),
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]
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class WndScan(filescan.FileScan, sessions.SessionsMixin):
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"""Pool scanner for tagWINDOWSTATION (window stations)"""
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def calculate(self):
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flat_space = utils.load_as(self._config, astype = 'physical')
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kernel_space = utils.load_as(self._config)
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# Scan for window station objects
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for offset in PoolScanWind().scan(flat_space):
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window_station = obj.Object("tagWINDOWSTATION",
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offset = offset, vm = flat_space)
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# Basic sanity checks are included here
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if not window_station.is_valid():
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continue
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# Find an address space for this window station's session
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session = self.find_session_space(
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kernel_space, window_station.dwSessionId)
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if not session:
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continue
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# Reset the object's native VM so pointers are
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# dereferenced in session space
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window_station.set_native_vm(session.obj_vm)
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for winsta in window_station.traverse():
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if winsta.is_valid():
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yield winsta
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def render_text(self, outfd, data):
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seen = []
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for window_station in data:
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offset = window_station.PhysicalAddress
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if offset in seen:
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continue
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seen.append(offset)
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outfd.write("*" * 50 + "\n")
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outfd.write("WindowStation: {0:#x}, Name: {1}, Next: {2:#x}\n".format(
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offset,
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window_station.Name,
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window_station.rpwinstaNext.v(),
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))
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outfd.write("SessionId: {0}, AtomTable: {1:#x}, Interactive: {2}\n".format(
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window_station.dwSessionId,
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window_station.pGlobalAtomTable,
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window_station.Interactive,
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))
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outfd.write("Desktops: {0}\n".format(
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', '.join([desk.Name for desk in window_station.desktops()])
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))
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outfd.write("ptiDrawingClipboard: pid {0} tid {1}\n".format(
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window_station.ptiDrawingClipboard.pEThread.Cid.UniqueProcess,
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window_station.ptiDrawingClipboard.pEThread.Cid.UniqueThread
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))
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outfd.write("spwndClipOpen: {0:#x}, spwndClipViewer: {1:#x} {2} {3}\n".format(
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window_station.spwndClipOpen.v(),
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window_station.spwndClipViewer.v(),
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str(window_station.LastRegisteredViewer.UniqueProcessId or ""),
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str(window_station.LastRegisteredViewer.ImageFileName or ""),
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))
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outfd.write("cNumClipFormats: {0}, iClipSerialNumber: {1}\n".format(
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window_station.cNumClipFormats,
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window_station.iClipSerialNumber,
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))
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outfd.write("pClipBase: {0:#x}, Formats: {1}\n".format(
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window_station.pClipBase,
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",".join([str(clip.fmt) for clip in window_station.pClipBase.dereference()]),
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))
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