/usr/lib/python2.7/dist-packages/rekall/plugins/windows/modules.py is in python-rekall-core 1.6.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | # Rekall Memory Forensics
#
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Authors:
# Michael Cohen <scudette@gmail.com>
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
from rekall import plugin
from rekall import scan
from rekall import utils
from rekall.plugins.windows import common
class Modules(common.WindowsCommandPlugin):
"""Print list of loaded kernel modules."""
__name = "modules"
__args = [
dict(name="name_regex", type="RegEx",
help="Filter module names by this regex.")
]
table_header = [
dict(name="_LDR_DATA_TABLE_ENTRY", style="address"),
dict(name="name", width=20),
dict(name="base", style="address"),
dict(name="size", style="address"),
dict(name="path")
]
def lsmod(self):
""" A Generator for modules (uses _KPCR symbols) """
for module in self.session.GetParameter(
"PsLoadedModuleList").list_of_type(
"_LDR_DATA_TABLE_ENTRY", "InLoadOrderLinks"):
# Skip modules which do not match.
if (self.plugin_args.name_regex and
not self.plugin_args.name_regex.search(
utils.SmartUnicode(module.FullDllName))):
continue
yield module
def addresses(self):
"""Returns a list of module addresses."""
return sorted(self.mod_lookup.keys())
def collect(self):
object_tree_plugin = self.session.plugins.object_tree()
for module in self.lsmod():
yield dict(_LDR_DATA_TABLE_ENTRY=module,
name=module.BaseDllName,
base=module.DllBase,
size=module.SizeOfImage,
path=object_tree_plugin.FileNameWithDrive(
module.FullDllName.v()))
class RSDSScanner(scan.BaseScanner):
"""Scan for RSDS objects."""
checks = [
("StringCheck", dict(needle="RSDS"))
]
class ModVersions(Modules):
"""Try to determine the versions for all kernel drivers."""
__name = "version_modules"
table_header = [
dict(name="offset_v", style="address"),
dict(name="name", width=20),
dict(name="guid", width=33),
dict(name="pdb")
]
def ScanVersions(self):
pe_profile = self.session.LoadProfile("pe")
scanner = RSDSScanner(address_space=self.kernel_address_space,
session=self.session)
for module in self.lsmod():
for hit in scanner.scan(offset=int(module.DllBase),
maxlen=int(module.SizeOfImage)):
rsds = pe_profile.CV_RSDS_HEADER(offset=hit,
vm=self.kernel_address_space)
guid = "%s%x" % (rsds.GUID.AsString, rsds.Age)
yield module, rsds, guid
def collect(self):
for module, rsds, guid in self.ScanVersions():
yield dict(offset_v=rsds,
name=module.BaseDllName,
guid=guid,
pdb=rsds.Filename)
class VersionScan(plugin.PhysicalASMixin, plugin.TypedProfileCommand,
plugin.Command):
"""Scan the physical address space for RSDS versions."""
__name = "version_scan"
PHYSICAL_AS_REQUIRED = False
__args = [
dict(name="name_regex", type="RegEx", default=".",
help="Filter module names by this regex."),
dict(name="scan_filename", required=False, positional=True,
help="Optional file to scan. If not specified "
"we scan the physical address space.")
]
table_header = [
dict(name="offset", style="address"),
dict(name="guid", width=33),
dict(name="pdb", width=30)
]
def __init__(self, *args, **kwargs):
"""List kernel modules by walking the PsLoadedModuleList."""
super(VersionScan, self).__init__(*args, **kwargs)
if self.plugin_args.scan_filename is not None:
load_as = self.session.plugins.load_as()
self.physical_address_space = load_as.GuessAddressSpace(
filename=self.plugin_args.scan_filename)
def ScanVersions(self):
"""Scans the physical AS for RSDS structures."""
guids = set()
pe_profile = self.session.LoadProfile("pe")
scanner = RSDSScanner(address_space=self.physical_address_space,
session=self.session, profile=pe_profile)
for hit in scanner.scan(0, self.physical_address_space.end()):
rsds = pe_profile.CV_RSDS_HEADER(
offset=hit, vm=self.physical_address_space)
# The filename must end with pdb for valid pdb.
if not unicode(rsds.Filename).endswith("pdb"):
continue
guid = rsds.GUID_AGE
if guid not in guids:
guids.add(guid)
if self.plugin_args.name_regex.search(unicode(rsds.Filename)):
yield rsds, guid
def collect(self):
for rsds, guid in self.ScanVersions():
yield dict(offset=rsds, guid=guid, pdb=rsds.Filename)
class UnloadedModules(common.WindowsCommandPlugin):
"""Print a list of recently unloaded modules.
Ref:
http://volatility-labs.blogspot.de/2013/05/movp-ii-22-unloaded-windows-kernel_22.html
"""
name = "unloaded_modules"
table_header = [
dict(name="name", width=20),
dict(name="start", style="address"),
dict(name="end", style="address"),
dict(name="time")
]
def collect(self):
unloaded_table = self.profile.get_constant_object(
"MmUnloadedDrivers",
target="Pointer",
target_args=dict(
target="Array",
target_args=dict(
target="_UNLOADED_DRIVER",
count=self.profile.get_constant_object(
"MmLastUnloadedDriver", "unsigned int").v(),
)
)
)
# In Windows 10 this has moved to the MiState.
if unloaded_table == None:
mistate = self.profile.get_constant_object(
"MiState", target="_MI_SYSTEM_INFORMATION")
unloaded_table = mistate.multi_m(
"UnloadedDrivers",
"Vs.UnloadedDrivers"
).dereference_as(
"Array",
target_args=dict(
target="_UNLOADED_DRIVERS",
count=mistate.LastUnloadedDriver)
)
for driver in unloaded_table:
yield (driver.Name,
driver.StartAddress.v(),
driver.EndAddress.v(),
driver.CurrentTime)
|