/usr/lib/python2.7/dist-packages/rekall/plugins/windows/procinfo.py is in python-rekall-core 1.6.0+dfsg-2.
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# Copyright (C) 2012 Michael Cohen
# Copyright 2013 Google Inc. All Rights Reserved.
#
# 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
#
"""This module print details information about PE files and processes.
Output is similar to objdump or pefile.
"""
__author__ = "Michael Cohen <scudette@gmail.com>"
from rekall import plugin
from rekall import testlib
from rekall.plugins.overlays.windows import pe_vtypes
from rekall.plugins.windows import common
class PEInfo(plugin.TypedProfileCommand, plugin.Command):
"""Print information about a PE binary."""
__name = "peinfo"
__args = [
dict(name="image_base", type="SymbolAddress", positional=True,
help="The base of the image."),
dict(name="executable", positional=True, required=False,
help="If provided we create an address space "
"from this file."),
dict(name="address_space", default=None,
help="The address space to use.")
]
def __init__(self, *args, **kwargs):
"""Dump a PE binary from memory.
Status is shown for each exported function:
- M: The function is mapped into memory.
Args:
image_base: The address of the image base (dos header). Can be a
module name.
address_space: The address space which contains the PE image. Can be
specified as "K" or "P".
filename: If provided we create an address space from this file.
"""
super(PEInfo, self).__init__(*args, **kwargs)
if (self.plugin_args.executable is None and
self.plugin_args.address_space is None):
# Resolve the correct address space. This allows the address space
# to be specified from the command line (e.g. "P")
load_as = self.session.plugins.load_as(session=self.session)
self.plugin_args.address_space = load_as.ResolveAddressSpace(
self.plugin_args.address_space)
if self.plugin_args.image_base is None:
self.plugin_args.image_base = self.session.GetParameter(
"default_image_base", 0)
self.pe_helper = pe_vtypes.PE(
address_space=self.plugin_args.address_space, session=self.session,
filename=self.plugin_args.executable,
image_base=self.plugin_args.image_base)
self.disassembler = self.session.plugins.dis(
address_space=self.pe_helper.vm,
session=self.session, length=4)
def render(self, renderer):
"""Print information about a PE file from memory."""
# Get our helper object to parse the PE file.
renderer.table_header([('Attribute', 'attribute', '<30'),
('Value', 'value', '60')])
for field in ["Machine", "TimeDateStamp", "Characteristics"]:
renderer.table_row(
field,
getattr(self.pe_helper.nt_header.FileHeader, field))
renderer.table_row("GUID/Age", self.pe_helper.RSDS.GUID_AGE)
renderer.table_row("PDB", self.pe_helper.RSDS.Filename)
for field in ["MajorOperatingSystemVersion",
"MinorOperatingSystemVersion",
"MajorImageVersion",
"MinorImageVersion",
"MajorSubsystemVersion",
"MinorSubsystemVersion"]:
renderer.table_row(
field,
getattr(self.pe_helper.nt_header.OptionalHeader, field))
renderer.format(
"\nSections (Relative to {0:addrpad}):\n",
self.pe_helper.image_base)
renderer.table_header([('Perm', 'perm', '4'),
('Name', 'name', '<8'),
('Raw Off', 'raw', '[addrpad]'),
('VMA', 'vma', '[addrpad]'),
('Size', 'size', '[addrpad]')])
for section in self.pe_helper.nt_header.Sections:
renderer.table_row(section.execution_flags, section.Name,
section.PointerToRawData,
section.VirtualAddress,
section.SizeOfRawData)
renderer.format("\nData Directories:\n")
renderer.table_header([('', 'name', '<40'),
('VMA', 'vma', '[addrpad]'),
('Size', 'size', '[addrpad]')])
for d in self.pe_helper.nt_header.OptionalHeader.DataDirectory:
renderer.table_row(d.obj_name, d.VirtualAddress, d.Size)
# Export/Import directory only if verbosity is higher than 1.
if self.plugin_args.verbosity >= 1:
renderer.format("\nImport Directory (Original):\n")
renderer.table_header([('Name', 'name', '<50'),
('Mapped Function', 'function', '60'),
('Ord', 'ord', '5')])
resolver = self.session.address_resolver
# Merge the results from both the Import table and the
# IAT. Sometimes the original Import Table is no longer mapped into
# memory (since its usually only used by the loader in order to
# build the IAT). In this case we can show something sensible using
# the address resolver.
for (dll, name, ordinal), (_, func, _) in zip(
self.pe_helper.ImportDirectory(),
self.pe_helper.IAT()):
renderer.table_row(
u"%s!%s" % (dll, name or ""),
resolver.format_address(func.v()),
ordinal)
if self.plugin_args.verbosity >= 2:
renderer.format("\nImport Address Table:\n")
renderer.table_header(
[('Name', 'name', '<20'),
('Address', 'address', '[addrpad]'),
('Disassembly', 'disassembly', '30')])
for name, function, ordinal in self.pe_helper.IAT():
disassembly = []
for x in self.disassembler.disassemble(function):
disassembly.append(x[-1].strip())
renderer.table_row(name, function, "\n".join(disassembly))
renderer.format("\nExport Directory:\n")
renderer.table_header([('Entry', 'entry', '[addrpad]'),
('Stat', 'status', '4'),
('Ord', 'ord', '5'),
('Name', 'name', '')])
resolver = self.session.address_resolver
for _ in self.pe_helper.ExportDirectory():
dll, function, name, ordinal = _
status = 'M' if function.dereference() else "-"
# Resolve the exported function through the symbol resolver.
symbol_name = resolver.format_address(function)
if symbol_name:
symbol_name = u"%s!%s (%s)" % (
dll, name or "", ", ".join(symbol_name))
else:
symbol_name = u"%s!%s" % (dll, name or "")
renderer.table_row(
function,
status,
ordinal,
symbol_name)
renderer.format("Version Information:\n")
renderer.table_header([('key', 'key', '<20'),
('value', 'value', '')])
for k, v in self.pe_helper.VersionInformation():
renderer.table_row(k, v)
class TestPEInfo(testlib.SimpleTestCase):
PARAMETERS = dict(
commandline="peinfo nt"
)
class ProcInfo(common.WinProcessFilter):
"""Dump detailed information about a running process."""
__name = "procinfo"
def render(self, renderer):
for task in self.filter_processes():
renderer.section()
renderer.format("Pid: {0} {1}\n",
task.UniqueProcessId, task.ImageFileName)
task_address_space = task.get_process_address_space()
if not task_address_space:
renderer.format("Peb Not mapped.\n")
continue
renderer.format("\nProcess Environment\n")
# The environment is just a sentinel terminated array of strings.
for line in task.Peb.ProcessParameters.Environment:
renderer.format(" {0}\n", line)
renderer.format("\nPE Infomation\n")
cc = self.session.plugins.cc()
with cc:
cc.SwitchProcessContext(task)
# Parse the PE file of the main process's executable.
pe = PEInfo(session=self.session,
image_base=task.Peb.ImageBaseAddress)
pe.render(renderer)
class TestProcInfo(testlib.SimpleTestCase):
PARAMETERS = dict(
commandline="procinfo %(pids)s"
)
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