/usr/lib/python2.7/dist-packages/volatility/plugins/gui/editbox.py is in volatility 2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Author: Bridgey the Geek <bridgeythegeek@gmail.com>
#
# This plugin is free software; you can redistribute it and/or modify
# it under the terms of 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 plugin 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 PRACTICAL 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 plugin. If not, see <http://www.gnu.org/licenses/>.
#
# This work heavily inspired by GDI Utilities from Dr Brendan Dolan-Gavitt PhD.
# <http://www.cc.gatech.edu/~brendan/volatility/>
#
# The iteration of the Windows objects is borrowed from the Windows plugin.
# <https://github.com/volatilityfoundation/volatility/blob/master/volatility/plugins/gui/windows.py>
#
# This plugin wouldn't exist without the assistance of those on the volusers
# mailing list <http://lists.volatilesystems.com/mailman/listinfo/vol-users>.
"""
@author : Bridgey the Geek
@license : GPL 2 or later
@contact : bridgeythegeek@gmail.com
"""
import os
import volatility.debug as debug
import volatility.obj as obj
import volatility.utils as utils
import volatility.plugins.common as common
import volatility.plugins.gui.messagehooks as messagehooks
import volatility.win32 as win32
supported_controls = {
'edit' : 'COMCTL_EDIT',
'listbox': 'COMCTL_LISTBOX',
}
editbox_vtypes_xp_x86 = {
'COMCTL_EDIT': [0xEE, {
'hBuf': [0x00, ['unsigned long']],
'hWnd': [0x38, ['unsigned long']],
'parenthWnd': [0x58, ['unsigned long']],
'nChars': [0x0C, ['unsigned long']],
'selStart': [0x14, ['unsigned long']],
'selEnd': [0x18, ['unsigned long']],
'pwdChar': [0x30, ['unsigned short']],
'undoBuf': [0x80, ['unsigned long']],
'undoPos': [0x84, ['long']],
'undoLen': [0x88, ['long']],
'bEncKey': [0xEC, ['unsigned char']],
}],
'COMCTL_LISTBOX': [0x40, {
'hWnd': [0x00, ['unsigned long']],
'parenthWnd': [0x04, ['unsigned long']],
'atomHandle': [0x08, ['unsigned long']],
'firstVisibleRow': [0x10, ['unsigned long']],
'caretPos': [0x14, ['long']],
'rowsVisible': [0x1C, ['unsigned long']],
'itemCount': [0x20, ['unsigned long']],
'stringsStart': [0x2C, ['unsigned long']],
'stringsLength': [0x34, ['unsigned long']]
}],
}
editbox_vtypes_xp_x64 = {
'COMCTL_EDIT': [ 0x142, {
'hBuf': [0x00, ['unsigned long']],
'hWnd': [0x40, ['unsigned long']],
'parenthWnd': [0x60, ['unsigned long']],
'nChars': [0x10, ['unsigned long']],
'selStart': [0x18, ['unsigned long']],
'selEnd': [0x20, ['unsigned long']],
'pwdChar': [0x34, ['unsigned short']],
'undoBuf': [0xA8, ['address']],
'undoPos': [0xB0, ['long']],
'undoLen': [0xB4, ['long']],
'bEncKey': [0x140, ['unsigned char']]
}],
'COMCTL_LISTBOX': [ 0x100, {
'hWnd': [0x00, ['unsigned long']],
'parenthWnd': [0x08, ['unsigned long']],
'firstVisibleRow': [0x20, ['unsigned long']],
'caretPos': [0x28, ['unsigned long']],
'rowsVisible': [0x2C, ['unsigned long']],
'itemCount': [0x30, ['unsigned long']],
'stringsStart': [0x40, ['address']],
'stringsLength': [0x4C, ['unsigned long']]
}],
}
editbox_vtypes_vista7810_x86 = {
'COMCTL_EDIT': [0xF6, {
'hBuf': [0x00, ['unsigned long']],
'hWnd': [0x38, ['unsigned long']],
'parenthWnd': [0x58, ['unsigned long']],
'nChars': [0x0C, ['unsigned long']],
'selStart': [0x14, ['unsigned long']],
'selEnd': [0x18, ['unsigned long']],
'pwdChar': [0x30, ['unsigned short']],
'undoBuf': [0x88, ['unsigned long']],
'undoPos': [0x8C, ['long']],
'undoLen': [0x90, ['long']],
'bEncKey': [0xF4, ['unsigned char']],
}],
'COMCTL_LISTBOX': [0x40, {
'hWnd': [0x00, ['unsigned long']],
'parenthWnd': [0x04, ['unsigned long']],
'atomHandle': [0x08, ['unsigned long']],
'firstVisibleRow': [0x10, ['unsigned long']],
'caretPos': [0x14, ['long']],
'rowsVisible': [0x1C, ['unsigned long']],
'itemCount': [0x20, ['unsigned long']],
'stringsStart': [0x2C, ['unsigned long']],
'stringsLength': [0x34, ['unsigned long']]
}],
}
editbox_vtypes_vista7810_x64 = {
'COMCTL_EDIT': [0x142, {
'hBuf': [0x00, ['unsigned long']],
'hWnd': [0x40, ['unsigned long']],
'parenthWnd': [0x60, ['unsigned long']],
'nChars': [0x10, ['unsigned long']],
'selStart': [0x18, ['unsigned long']],
'selEnd': [0x20, ['unsigned long']],
'pwdChar': [0x34, ['unsigned short']],
'undoBuf': [0xA8, ['address']],
'undoPos': [0xB0, ['long']],
'undoLen': [0xB4, ['long']],
'bEncKey': [0x140, ['unsigned char']],
}],
'COMCTL_LISTBOX': [0x54, {
'hWnd': [0x00, ['unsigned long']],
'parenthWnd': [0x08, ['unsigned long']],
'firstVisibleRow': [0x20, ['unsigned long']],
'caretPos': [0x28, ['unsigned long']],
'rowsVisible': [0x2C, ['unsigned long']],
'itemCount': [0x30, ['unsigned long']],
'stringsStart': [0x40, ['address']],
'stringsLength': [0x4C, ['unsigned long']]
}],
}
class COMCTL_EDIT(obj.CType):
"""Methods for the Edit structure"""
def __str__(self):
"""String representation of the Edit"""
_MAX_OUT = 50
text = self.get_text(no_crlf=True)
text = '{}...'.format(text[:_MAX_OUT - 3]) if len(text) > _MAX_OUT else text
undo = self.get_undo(no_crlf=True)
undo = '{}...'.format(undo[:_MAX_OUT - 3]) if len(undo) > _MAX_OUT else undo
return '<{0}(Text="{1}", Len={2}, Pwd={3}, Undo="{4}", UndoLen={5})>'.format(
self.__class__.__name__, text, self.nChars, self.is_pwd(), undo, self.undoLen)
def get_text(self, no_crlf=False):
"""Get the text from the control
:param no_crlf:
:return:
"""
if self.nChars < 1:
return ''
text_deref = obj.Object('unsigned long', offset=self.hBuf, vm=self.obj_vm)
raw = self.obj_vm.read(text_deref, self.nChars * 2)
if not self.pwdChar == 0x00: # Is a password dialog
raw = COMCTL_EDIT.rtl_run_decode_unicode_string(self.bEncKey, raw)
if no_crlf:
return raw.decode('utf-16').replace('\r\n', '.')
else:
return raw.decode('utf-16')
def get_undo(self, no_crlf=False):
"""Get the contents of the undo buffer
:param no_crlf:
:return:
"""
if self.undoLen < 1:
return ''
if no_crlf:
return self.obj_vm.read(self.undoBuf, self.undoLen * 2).decode('utf-16').replace('\r\n', '.')
else:
return self.obj_vm.read(self.undoBuf, self.undoLen * 2).decode('utf-16')
def is_pwd(self):
"""Is this a password control?
:return:
"""
return self.pwdChar != 0x00
def dump_meta(self, outfd):
"""Dumps the meta data of the control
@param outfd:
"""
outfd.write('nChars : {}\n'.format(self.nChars))
outfd.write('selStart : {}\n'.format(self.selStart))
outfd.write('selEnd : {}\n'.format(self.selEnd))
outfd.write('isPwdControl : {}\n'.format(self.is_pwd()))
outfd.write('undoPos : {}\n'.format(self.undoPos))
outfd.write('undoLen : {}\n'.format(self.undoLen))
outfd.write('address-of undoBuf: {:#x}\n'.format(self.undoBuf))
outfd.write('undoBuf : {}\n'.format(self.get_undo(no_crlf=True)))
def dump_data(self, outfd):
"""Dumps the data of the control
@param outfd:
"""
outfd.write('{}\n'.format(self.get_text()))
@staticmethod
def rtl_run_decode_unicode_string(key, data):
s = ''.join([chr(ord(data[i - 1]) ^ ord(data[i]) ^ key) for i in range(1, len(data))])
s = chr(ord(data[0]) ^ (key | 0x43)) + s
return s
class COMCTL_LISTBOX(obj.CType):
"""Methods for the Listbox structure"""
def __str__(self):
"""String representation of the Listbox"""
_MAX_OUT = 50
text = self.get_text(joiner='|')
text = '{}...'.format(text[:_MAX_OUT - 3]) if len(text) > _MAX_OUT else text
return '<{0}(Text="{1}", Items={2}, Caret={3}>'.format(
self.__class__.__name__, text, self.itemCount, self.caretPos)
def get_text(self, joiner='\n'):
"""Get the text from the control
@param joiner:
@return:
"""
if self.stringsLength < 1:
return ''
raw = self.obj_vm.read(self.stringsStart, self.stringsLength)
return joiner.join(split_null_strings(raw))
def dump_meta(self, outfd):
"""Dumps the meta data of the control
@param outfd:
"""
outfd.write('firstVisibleRow : {}\n'.format(self.firstVisibleRow))
outfd.write('caretPos : {}\n'.format(self.caretPos))
outfd.write('rowsVisible : {}\n'.format(self.rowsVisible))
outfd.write('itemCount : {}\n'.format(self.itemCount))
outfd.write('stringsStart : {:#x}\n'.format(self.stringsStart))
outfd.write('stringsLength : {}\n'.format(self.stringsLength))
def dump_data(self, outfd):
"""Dumps the data of the control
@param outfd:
"""
outfd.write('{}\n'.format(self.get_text()))
def split_null_strings(data):
"""Splits a concatenation of null-terminated utf-16 strings
@param data:
"""
strings = []
start = 0
for i in xrange(0, len(data), 2):
if data[i] == '\x00' and data[i+1] == '\x00':
strings.append(data[start:i])
start = i+2
return [s.decode('utf-16') for s in strings]
def dump_to_file(ctrl, pid, proc_name, folder):
"""Dumps the data of the control to a file
@param ctrl:
@param pid:
@param proc_name:
@param folder:
"""
ctrl_safe_name = str(ctrl.__class__.__name__).split('_')[-1].lower()
file_name = '{0}_{1}_{2}_{3:#x}.txt'.format(pid, proc_name, ctrl_safe_name, ctrl.v())
with open(os.path.join(folder, file_name), 'wb') as out_file:
out_file.write(ctrl.get_text())
class Editbox(common.AbstractWindowsCommand):
"""Displays information about Edit controls. (Listbox experimental.)"""
# Add the classes for the structures
editbox_classes = {
'COMCTL_EDIT' : COMCTL_EDIT,
'COMCTL_LISTBOX': COMCTL_LISTBOX,
}
def __init__(self, config, *args, **kwargs):
common.AbstractWindowsCommand.__init__(self, config, *args, **kwargs)
# Filter specific processes
config.add_option('PID', short_option='p', default=None,
help='Operate on these Process IDs (comma-separated)',
action='store', type='str')
config.add_option('DUMP-DIR', short_option='D', default=None,
help='Save the found text to files in this folder',
action='store', type='str')
self.fake_32bit = False
@staticmethod
def apply_types(addr_space, meta=None):
"""Add the correct vtypes and classes for the profile
@param addr_space:
@param meta:
"""
if not meta:
meta = addr_space.profile.metadata
if meta['os'] == 'windows':
if meta['major'] == 5:
if meta['memory_model'] == '32bit':
addr_space.profile.vtypes.update(editbox_vtypes_xp_x86)
elif meta['memory_model'] == '64bit':
addr_space.profile.vtypes.update(editbox_vtypes_xp_x64)
else:
debug.error("The selected address space is not supported")
addr_space.profile.compile()
elif meta['major'] == 6:
if meta['memory_model'] == '32bit':
addr_space.profile.vtypes.update(editbox_vtypes_vista7810_x86)
elif meta['memory_model'] == '64bit':
addr_space.profile.vtypes.update(editbox_vtypes_vista7810_x64)
else:
debug.error("The selected address space is not supported")
addr_space.profile.compile()
else:
debug.error("The selected address space is not supported")
else:
debug.error("The selected address space is not supported")
def calculate(self):
"""Parse the control structures"""
# Check the output folder exists
if self._config.DUMP_DIR and not os.path.isdir(self._config.dump_dir):
debug.error('{0} is not a directory'.format(self._config.dump_dir))
# Apply the correct vtypes for the profile
addr_space = utils.load_as(self._config)
addr_space.profile.object_classes.update(Editbox.editbox_classes)
self.apply_types(addr_space)
# Build a list of tasks
tasks = win32.tasks.pslist(addr_space)
if self._config.PID:
pids = [int(p) for p in self._config.PID.split(',')]
the_tasks = [t for t in tasks if t.UniqueProcessId in pids]
else:
the_tasks = [t for t in tasks]
# In case no PIDs found
if len(the_tasks) < 1:
return
# Iterate through all the window objects matching for supported controls
mh = messagehooks.MessageHooks(self._config)
for winsta, atom_tables in mh.calculate():
for desktop in winsta.desktops():
for wnd, _level in desktop.windows(desktop.DeskInfo.spwnd):
if wnd.Process in the_tasks:
atom_class = mh.translate_atom(winsta, atom_tables, wnd.ClassAtom)
if atom_class:
atom_class = str(atom_class)
if '!' in atom_class:
comctl_class = atom_class.split('!')[-1].lower()
if comctl_class in supported_controls:
# Do we need to fake being 32bit for Wow?
if wnd.Process.IsWow64 and not self.fake_32bit:
meta = addr_space.profile.metadata
meta['memory_model'] = '32bit'
self.apply_types(addr_space, meta)
self.fake_32bit = True
elif not wnd.Process.IsWow64 and self.fake_32bit:
self.apply_types(addr_space)
self.fake_32bit = False
context = '{0}\\{1}\\{2}'.format(winsta.dwSessionId, winsta.Name, desktop.Name)
task_vm = wnd.Process.get_process_address_space()
wndextra_offset = wnd.v() + addr_space.profile.get_obj_size('tagWND')
wndextra = obj.Object('address', offset=wndextra_offset, vm=task_vm)
ctrl = obj.Object(supported_controls[comctl_class], offset=wndextra, vm=task_vm)
if self._config.DUMP_DIR:
dump_to_file(ctrl, wnd.Process.UniqueProcessId,
wnd.Process.ImageFileName, self._config.DUMP_DIR)
yield context, atom_class, wnd.Process.UniqueProcessId, \
wnd.Process.ImageFileName, wnd.Process.IsWow64, ctrl
def render_table(self, outfd, data):
"""Output the results as a table
@param outfd: <file>
@param data: <generator>
"""
self.table_header(outfd, [
('PID', '6'),
('Process', '14'),
('Control', ""),
])
for context, atom_class, pid, proc_name, is_wow64, ctrl in data:
# context, atom_class and is_wow64 are ignored
self.table_row(outfd, pid, proc_name, str(ctrl))
def render_text(self, outfd, data):
"""Output the results as a text report
@param outfd: <file>
@param data: <generator>
"""
for context, atom_class, pid, proc_name, is_wow64, ctrl in data:
outfd.write('{}\n'.format('*' * 30))
outfd.write('Wnd Context : {}\n'.format(context))
outfd.write('Process ID : {}\n'.format(pid))
outfd.write('ImageFileName : {}\n'.format(proc_name))
outfd.write('IsWow64 : {}\n'.format('Yes' if is_wow64 else 'No'))
outfd.write('atom_class : {}\n'.format(atom_class))
outfd.write('value-of WndExtra : {:#x}\n'.format(ctrl.v()))
ctrl.dump_meta(outfd)
outfd.write('{}\n'.format('-' * 25))
ctrl.dump_data(outfd)
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