Files

114 lines
4.9 KiB
Python

# Volatility
# Copyright (C) 2009-2013 Volatility Foundation
#
# This file is part of Volatility.
#
# Volatility is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Volatility is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Volatility. If not, see <http://www.gnu.org/licenses/>.
#
import os
import volatility.plugins.crashinfo as crashinfo
import volatility.utils as utils
class VMwareInfo(crashinfo.CrashInfo):
"""Dump VMware VMSS/VMSN information"""
target_as = ['VMWareAddressSpace', 'VMWareMetaAddressSpace']
def __init__(self, config, *args, **kwargs):
crashinfo.CrashInfo.__init__(self, config, *args, **kwargs)
config.add_option('DUMP-DIR', short_option = 'D', default = None,
help = 'Directory in which to dump the screenshot (if available)')
@staticmethod
def is_valid_profile(profile):
return True
def render_text(self, outfd, data):
header = data.get_header()
## First some of the version meta-data
outfd.write("Magic: {0:#x} (Version {1})\n".format(header.Magic, header.Version))
outfd.write("Group count: {0:#x}\n".format(header.GroupCount))
## Now let's print the runs
self.table_header(outfd, [("File Offset", "#018x"),
("PhysMem Offset", "#018x"),
("Size", "#018x")])
for memory_offset, file_offset, length in data.get_runs():
self.table_row(outfd, file_offset, memory_offset, length)
outfd.write("\n")
## Go through and print the groups and tags
self.table_header(outfd, [("DataOffset", "#018x"),
("DataSize", "#018x"),
("Name", "50"),
("Value", "")])
for group in header.Groups:
for tag in group.Tags:
## The indices should look like [0][1]
indices = ""
for i in tag.TagIndices:
indices += "[{0}]".format(i)
## Attempt to format standard values
if tag.DataMemSize == 0:
value = ""
elif tag.DataMemSize == 1:
value = "{0}".format(tag.cast_as("unsigned char"))
elif tag.DataMemSize == 2:
value = "{0}".format(tag.cast_as("unsigned short"))
elif tag.DataMemSize == 4:
value = "{0:#x}".format(tag.cast_as("unsigned int"))
elif tag.DataMemSize == 8:
value = "{0:#x}".format(tag.cast_as("unsigned long long"))
else:
value = ""
self.table_row(outfd,
tag.RealDataOffset,
tag.DataMemSize,
"{0}/{1}{2}".format(group.Name, tag.Name, indices),
value)
## In verbose mode, when we're *not* dealing with memory segments,
## print a hexdump of the data
if (self._config.VERBOSE and tag.DataMemSize > 0
and str(group.Name) != "memory" and value == ""):
## When we read, it must be done via the AS base (FileAddressSpace)
addr = tag.RealDataOffset
data = tag.obj_vm.read(addr, tag.DataMemSize)
outfd.write("".join(["{0:#010x} {1:<48} {2}\n".format(addr + o, h, ''.join(c))
for o, h, c in utils.Hexdump(data)
]))
## If an output directory was supplied, extract the
## snapshot thumbnail image using the code below.
if (self._config.DUMP_DIR and
str(group.Name) == "MKSVMX" and
str(tag.Name) == "imageData"):
full_path = os.path.join(self._config.DUMP_DIR, "screenshot.png")
with open(full_path, "wb") as fh:
fh.write(data)
outfd.write("Wrote screenshot to: {0}\n".format(full_path))