MultiRelay initial commit

This commit is contained in:
lgandx 2016-10-12 13:33:49 -03:00
parent 10d33eba72
commit 6af72d27c4
23 changed files with 4992 additions and 0 deletions

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# Volatility
# Copyright (C) 2007 Volatile Systems
#
# Original Source:
# Copyright (C) 2004,2005,2006 4tphi Research
# Author: {npetroni,awalters}@4tphi.net (Nick Petroni and AAron Walters)
#
# 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
#
"""
@author: AAron Walters
@license: GNU General Public License 2.0 or later
@contact: awalters@volatilesystems.com
@organization: Volatile Systems
"""
""" Alias for all address spaces """
import os
import struct
class FileAddressSpace:
def __init__(self, fname, mode='rb', fast=False):
self.fname = fname
self.name = fname
self.fhandle = open(fname, mode)
self.fsize = os.path.getsize(fname)
if fast == True:
self.fast_fhandle = open(fname, mode)
def fread(self,len):
return self.fast_fhandle.read(len)
def read(self, addr, len):
self.fhandle.seek(addr)
return self.fhandle.read(len)
def read_long(self, addr):
string = self.read(addr, 4)
(longval, ) = struct.unpack('L', string)
return longval
def get_address_range(self):
return [0,self.fsize-1]
def get_available_addresses(self):
return [self.get_address_range()]
def is_valid_address(self, addr):
return addr < self.fsize - 1
def close():
self.fhandle.close()
# Code below written by Brendan Dolan-Gavitt
BLOCK_SIZE = 0x1000
class HiveFileAddressSpace:
def __init__(self, fname):
self.fname = fname
self.base = FileAddressSpace(fname)
def vtop(self, vaddr):
return vaddr + BLOCK_SIZE + 4
def read(self, vaddr, length, zero=False):
first_block = BLOCK_SIZE - vaddr % BLOCK_SIZE
full_blocks = ((length + (vaddr % BLOCK_SIZE)) / BLOCK_SIZE) - 1
left_over = (length + vaddr) % BLOCK_SIZE
paddr = self.vtop(vaddr)
if paddr == None and zero:
if length < first_block:
return "\0" * length
else:
stuff_read = "\0" * first_block
elif paddr == None:
return None
else:
if length < first_block:
stuff_read = self.base.read(paddr, length)
if not stuff_read and zero:
return "\0" * length
else:
return stuff_read
stuff_read = self.base.read(paddr, first_block)
if not stuff_read and zero:
stuff_read = "\0" * first_block
new_vaddr = vaddr + first_block
for i in range(0,full_blocks):
paddr = self.vtop(new_vaddr)
if paddr == None and zero:
stuff_read = stuff_read + "\0" * BLOCK_SIZE
elif paddr == None:
return None
else:
new_stuff = self.base.read(paddr, BLOCK_SIZE)
if not new_stuff and zero:
new_stuff = "\0" * BLOCK_SIZE
elif not new_stuff:
return None
else:
stuff_read = stuff_read + new_stuff
new_vaddr = new_vaddr + BLOCK_SIZE
if left_over > 0:
paddr = self.vtop(new_vaddr)
if paddr == None and zero:
stuff_read = stuff_read + "\0" * left_over
elif paddr == None:
return None
else:
stuff_read = stuff_read + self.base.read(paddr, left_over)
return stuff_read
def read_long_phys(self, addr):
string = self.base.read(addr, 4)
(longval, ) = struct.unpack('L', string)
return longval
def is_valid_address(self, vaddr):
paddr = self.vtop(vaddr)
if not paddr: return False
return self.base.is_valid_address(paddr)

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# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from framework.object import *
from framework.types import regtypes as types
from operator import itemgetter
from struct import unpack
def get_ptr_type(structure, member):
"""Return the type a pointer points to.
Arguments:
structure : the name of the structure from vtypes
member : a list of members
Example:
get_ptr_type('_EPROCESS', ['ActiveProcessLinks', 'Flink']) => ['_LIST_ENTRY']
"""
if len(member) > 1:
_, tp = get_obj_offset(types, [structure, member[0]])
if tp == 'array':
return types[structure][1][member[0]][1][2][1]
else:
return get_ptr_type(tp, member[1:])
else:
return types[structure][1][member[0]][1][1]
class Obj(object):
"""Base class for all objects.
May return a subclass for certain data types to allow
for special handling.
"""
def __new__(typ, name, address, space):
if name in globals():
# This is a bit of "magic"
# Could be replaced with a dict mapping type names to types
return globals()[name](name,address,space)
elif name in builtin_types:
return Primitive(name, address, space)
else:
obj = object.__new__(typ)
return obj
def __init__(self, name, address, space):
self.name = name
self.address = address
self.space = space
# Subclasses can add fields to this list if they want them
# to show up in values() or members(), even if they do not
# appear in the vtype definition
self.extra_members = []
def __getattribute__(self, attr):
try:
return object.__getattribute__(self, attr)
except AttributeError:
pass
if self.name in builtin_types:
raise AttributeError("Primitive types have no dynamic attributes")
try:
off, tp = get_obj_offset(types, [self.name, attr])
except:
raise AttributeError("'%s' has no attribute '%s'" % (self.name, attr))
if tp == 'array':
a_len = types[self.name][1][attr][1][1]
l = []
for i in range(a_len):
a_off, a_tp = get_obj_offset(types, [self.name, attr, i])
if a_tp == 'pointer':
ptp = get_ptr_type(self.name, [attr, i])
l.append(Pointer(a_tp, self.address+a_off, self.space, ptp))
else:
l.append(Obj(a_tp, self.address+a_off, self.space))
return l
elif tp == 'pointer':
# Can't just return a Obj here, since pointers need to also
# know what type they point to.
ptp = get_ptr_type(self.name, [attr])
return Pointer(tp, self.address+off, self.space, ptp)
else:
return Obj(tp, self.address+off, self.space)
def __div__(self, other):
if isinstance(other,tuple) or isinstance(other,list):
return Pointer(other[0], self.address, self.space, other[1])
elif isinstance(other,str):
return Obj(other, self.address, self.space)
else:
raise ValueError("Must provide a type name as string for casting")
def members(self):
"""Return a list of this object's members, sorted by offset."""
# Could also just return the list
membs = [ (k, v[0]) for k,v in types[self.name][1].items()]
membs.sort(key=itemgetter(1))
return map(itemgetter(0),membs) + self.extra_members
def values(self):
"""Return a dictionary of this object's members and their values"""
valdict = {}
for k in self.members():
valdict[k] = getattr(self, k)
return valdict
def bytes(self, length=-1):
"""Get bytes starting at the address of this object.
Arguments:
length : the number of bytes to read. Default: size of
this object.
"""
if length == -1:
length = self.size()
return self.space.read(self.address, length)
def size(self):
"""Get the size of this object."""
if self.name in builtin_types:
return builtin_types[self.name][0]
else:
return types[self.name][0]
def __repr__(self):
return "<%s @%08x>" % (self.name, self.address)
def __eq__(self, other):
if not isinstance(other, Obj):
raise TypeError("Types are incomparable")
return self.address == other.address and self.name == other.name
def __ne__(self, other):
return not self.__eq__(other)
def __hash__(self):
return hash(self.address) ^ hash(self.name)
def is_valid(self):
return self.space.is_valid_address(self.address)
def get_offset(self, member):
return get_obj_offset(types, [self.name] + member)
class Primitive(Obj):
"""Class to represent a primitive data type.
Attributes:
value : the python primitive value of this type
"""
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def __init__(self, name, address, space):
super(Primitive,self).__init__(name, address, space)
length, fmt = builtin_types[name]
data = space.read(address,length)
if not data: self.value = None
else: self.value = unpack(fmt,data)[0]
def __repr__(self):
return repr(self.value)
def members(self):
return []
class Pointer(Obj):
"""Class to represent pointers.
value : the object pointed to
If an attribute is not found in this instance,
the attribute will be looked up in the referenced
object."""
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def __init__(self, name, address, space, ptr_type):
super(Pointer,self).__init__(name, address, space)
ptr_address = read_value(space, name, address)
if ptr_type[0] == 'pointer':
self.value = Pointer(ptr_type[0], ptr_address, self.space, ptr_type[1])
else:
self.value = Obj(ptr_type[0], ptr_address, self.space)
def __getattribute__(self, attr):
# It's still nice to be able to access things through pointers
# without having to explicitly dereference them, so if we don't
# find an attribute via our superclass, just dereference the pointer
# and return the attribute in the pointed-to type.
try:
return super(Pointer,self).__getattribute__(attr)
except AttributeError:
return getattr(self.value, attr)
def __repr__(self):
return "<pointer to [%s @%08x]>" % (self.value.name, self.value.address)
def members(self):
return self.value.members()
class _UNICODE_STRING(Obj):
"""Class representing a _UNICODE_STRING
Adds the following behavior:
* The Buffer attribute is presented as a Python string rather
than a pointer to an unsigned short.
* The __str__ method returns the value of the Buffer.
"""
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def __str__(self):
return self.Buffer
# Custom Attributes
def getBuffer(self):
return read_unicode_string(self.space, types, [], self.address)
Buffer = property(fget=getBuffer)
class _CM_KEY_NODE(Obj):
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def getName(self):
return read_string(self.space, types, ['_CM_KEY_NODE', 'Name'],
self.address, self.NameLength.value)
Name = property(fget=getName)
class _CM_KEY_VALUE(Obj):
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def getName(self):
return read_string(self.space, types, ['_CM_KEY_VALUE', 'Name'],
self.address, self.NameLength.value)
Name = property(fget=getName)
class _CHILD_LIST(Obj):
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def getList(self):
lst = []
list_address = read_obj(self.space, types,
['_CHILD_LIST', 'List'], self.address)
for i in range(self.Count.value):
lst.append(Pointer("pointer", list_address+(i*4), self.space,
["_CM_KEY_VALUE"]))
return lst
List = property(fget=getList)
class _CM_KEY_INDEX(Obj):
def __new__(typ, *args, **kwargs):
obj = object.__new__(typ)
return obj
def getList(self):
lst = []
for i in range(self.Count.value):
# we are ignoring the hash value here
off,tp = get_obj_offset(types, ['_CM_KEY_INDEX', 'List', i*2])
lst.append(Pointer("pointer", self.address+off, self.space,
["_CM_KEY_NODE"]))
return lst
List = property(fget=getList)

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# Volatools Basic
# Copyright (C) 2007 Komoku, Inc.
#
# 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
#
"""
@author: AAron Walters and Nick Petroni
@license: GNU General Public License 2.0 or later
@contact: awalters@komoku.com, npetroni@komoku.com
@organization: Komoku, Inc.
"""
import struct
builtin_types = { \
'int' : (4, 'i'), \
'long': (4, 'i'), \
'unsigned long' : (4, 'I'), \
'unsigned int' : (4, 'I'), \
'address' : (4, 'I'), \
'char' : (1, 'c'), \
'unsigned char' : (1, 'B'), \
'unsigned short' : (2, 'H'), \
'short' : (2, 'h'), \
'long long' : (8, 'q'), \
'unsigned long long' : (8, 'Q'), \
'pointer' : (4, 'I'),\
}
def obj_size(types, objname):
if not types.has_key(objname):
raise Exception('Invalid type %s not in types' % (objname))
return types[objname][0]
def builtin_size(builtin):
if not builtin_types.has_key(builtin):
raise Exception('Invalid built-in type %s' % (builtin))
return builtin_types[builtin][0]
def read_value(addr_space, value_type, vaddr):
"""
Read the low-level value for a built-in type.
"""
if not builtin_types.has_key(value_type):
raise Exception('Invalid built-in type %s' % (value_type))
type_unpack_char = builtin_types[value_type][1]
type_size = builtin_types[value_type][0]
buf = addr_space.read(vaddr, type_size)
if buf is None:
return None
(val, ) = struct.unpack(type_unpack_char, buf)
return val
def read_unicode_string(addr_space, types, member_list, vaddr):
offset = 0
if len(member_list) > 1:
(offset, current_type) = get_obj_offset(types, member_list)
buf = read_obj(addr_space, types, ['_UNICODE_STRING', 'Buffer'], vaddr + offset)
length = read_obj(addr_space, types, ['_UNICODE_STRING', 'Length'], vaddr + offset)
if length == 0x0:
return ""
if buf is None or length is None:
return None
readBuf = read_string(addr_space, types, ['char'], buf, length)
if readBuf is None:
return None
try:
readBuf = readBuf.decode('UTF-16').encode('ascii')
except:
return None
return readBuf
def read_string(addr_space, types, member_list, vaddr, max_length=256):
offset = 0
if len(member_list) > 1:
(offset, current_type) = get_obj_offset(types, member_list)
val = addr_space.read(vaddr + offset, max_length)
return val
def read_null_string(addr_space, types, member_list, vaddr, max_length=256):
string = read_string(addr_space, types, member_list, vaddr, max_length)
if string is None:
return None
if (string.find('\0') == -1):
return string
(string, none) = string.split('\0', 1)
return string
def get_obj_offset(types, member_list):
"""
Returns the (offset, type) pair for a given list
"""
member_list.reverse()
current_type = member_list.pop()
offset = 0
while (len(member_list) > 0):
if current_type == 'array':
current_type = member_dict[current_member][1][2][0]
if current_type in builtin_types:
current_type_size = builtin_size(current_type)
else:
current_type_size = obj_size(types, current_type)
index = member_list.pop()
offset += index * current_type_size
continue
elif not types.has_key(current_type):
raise Exception('Invalid type ' + current_type)
member_dict = types[current_type][1]
current_member = member_list.pop()
if not member_dict.has_key(current_member):
raise Exception('Invalid member %s in type %s' % (current_member, current_type))
offset += member_dict[current_member][0]
current_type = member_dict[current_member][1][0]
return (offset, current_type)
def read_obj(addr_space, types, member_list, vaddr):
"""
Read the low-level value for some complex type's member.
The type must have members.
"""
if len(member_list) < 2:
raise Exception('Invalid type/member ' + str(member_list))
(offset, current_type) = get_obj_offset(types, member_list)
return read_value(addr_space, current_type, vaddr + offset)

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# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
regtypes = {
'_CM_KEY_VALUE' : [ 0x18, {
'Signature' : [ 0x0, ['unsigned short']],
'NameLength' : [ 0x2, ['unsigned short']],
'DataLength' : [ 0x4, ['unsigned long']],
'Data' : [ 0x8, ['unsigned long']],
'Type' : [ 0xc, ['unsigned long']],
'Flags' : [ 0x10, ['unsigned short']],
'Spare' : [ 0x12, ['unsigned short']],
'Name' : [ 0x14, ['array', 1, ['unsigned short']]],
} ],
'_CM_KEY_NODE' : [ 0x50, {
'Signature' : [ 0x0, ['unsigned short']],
'Flags' : [ 0x2, ['unsigned short']],
'LastWriteTime' : [ 0x4, ['_LARGE_INTEGER']],
'Spare' : [ 0xc, ['unsigned long']],
'Parent' : [ 0x10, ['unsigned long']],
'SubKeyCounts' : [ 0x14, ['array', 2, ['unsigned long']]],
'SubKeyLists' : [ 0x1c, ['array', 2, ['unsigned long']]],
'ValueList' : [ 0x24, ['_CHILD_LIST']],
'ChildHiveReference' : [ 0x1c, ['_CM_KEY_REFERENCE']],
'Security' : [ 0x2c, ['unsigned long']],
'Class' : [ 0x30, ['unsigned long']],
'MaxNameLen' : [ 0x34, ['unsigned long']],
'MaxClassLen' : [ 0x38, ['unsigned long']],
'MaxValueNameLen' : [ 0x3c, ['unsigned long']],
'MaxValueDataLen' : [ 0x40, ['unsigned long']],
'WorkVar' : [ 0x44, ['unsigned long']],
'NameLength' : [ 0x48, ['unsigned short']],
'ClassLength' : [ 0x4a, ['unsigned short']],
'Name' : [ 0x4c, ['array', 1, ['unsigned short']]],
} ],
'_CM_KEY_INDEX' : [ 0x8, {
'Signature' : [ 0x0, ['unsigned short']],
'Count' : [ 0x2, ['unsigned short']],
'List' : [ 0x4, ['array', 1, ['unsigned long']]],
} ],
'_CHILD_LIST' : [ 0x8, {
'Count' : [ 0x0, ['unsigned long']],
'List' : [ 0x4, ['unsigned long']],
} ],
}

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# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from framework.win32.rawreg import *
from framework.addrspace import HiveFileAddressSpace
#from framework.win32.hashdump import get_bootkey
from framework.win32.lsasecrets import get_secret_by_name,get_lsa_key
from Crypto.Hash import HMAC
from Crypto.Cipher import ARC4
from struct import unpack
def get_nlkm(secaddr, lsakey):
return get_secret_by_name(secaddr, 'NL$KM', lsakey)
def decrypt_hash(edata, nlkm, ch):
hmac_md5 = HMAC.new(nlkm,ch)
rc4key = hmac_md5.digest()
rc4 = ARC4.new(rc4key)
data = rc4.encrypt(edata)
return data
def parse_cache_entry(cache_data):
(uname_len, domain_len) = unpack("<HH", cache_data[:4])
(domain_name_len,) = unpack("<H", cache_data[60:62])
ch = cache_data[64:80]
enc_data = cache_data[96:]
return (uname_len, domain_len, domain_name_len, enc_data, ch)
def parse_decrypted_cache(dec_data, uname_len,
domain_len, domain_name_len):
uname_off = 72
pad = 2 * ( ( uname_len / 2 ) % 2 )
domain_off = uname_off + uname_len + pad
pad = 2 * ( ( domain_len / 2 ) % 2 )
domain_name_off = domain_off + domain_len + pad
hash = dec_data[:0x10]
username = dec_data[uname_off:uname_off+uname_len]
username = username.decode('utf-16-le')
domain = dec_data[domain_off:domain_off+domain_len]
domain = domain.decode('utf-16-le')
domain_name = dec_data[domain_name_off:domain_name_off+domain_name_len]
domain_name = domain_name.decode('utf-16-le')
return (username, domain, domain_name, hash)
def dump_hashes(Key, secaddr):
bootkey = Key
if not bootkey:
return []
lsakey = get_lsa_key(secaddr, bootkey)
if not lsakey:
return []
nlkm = get_nlkm(secaddr, lsakey)
if not nlkm:
return []
root = get_root(secaddr)
if not root:
return []
cache = open_key(root, ["Cache"])
if not cache:
return []
hashes = []
for v in values(cache):
if v.Name == "NL$Control": continue
data = v.space.read(v.Data.value, v.DataLength.value)
(uname_len, domain_len, domain_name_len,
enc_data, ch) = parse_cache_entry(data)
# Skip if nothing in this cache entry
if uname_len == 0:
continue
dec_data = decrypt_hash(enc_data, nlkm, ch)
(username, domain, domain_name,
hash) = parse_decrypted_cache(dec_data, uname_len,
domain_len, domain_name_len)
hashes.append((username, domain, domain_name, hash))
return hashes
def dump_file_hashes(Key, sechive_fname):
sysaddr = Key
secaddr = HiveFileAddressSpace(sechive_fname)
for (u, d, dn, hash) in dump_hashes(sysaddr, secaddr):
print "%s:%s:%s:%s" % (u.lower(), hash.encode('hex'),
d.lower(), dn.lower())

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# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from framework.win32.rawreg import *
from framework.addrspace import HiveFileAddressSpace
try:
from Crypto.Hash import MD5
from Crypto.Cipher import ARC4,DES
except ImportError:
pass
from struct import unpack,pack
odd_parity = [
1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14,
16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31,
32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47,
49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62,
64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79,
81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94,
97, 97, 98, 98,100,100,103,103,104,104,107,107,109,109,110,110,
112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127,
128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143,
145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158,
161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174,
176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191,
193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206,
208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223,
224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239,
241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254
]
# Permutation matrix for boot key
p = [ 0x8, 0x5, 0x4, 0x2, 0xb, 0x9, 0xd, 0x3,
0x0, 0x6, 0x1, 0xc, 0xe, 0xa, 0xf, 0x7 ]
# Constants for SAM decrypt algorithm
aqwerty = "!@#$%^&*()qwertyUIOPAzxcvbnmQQQQQQQQQQQQ)(*@&%\0"
anum = "0123456789012345678901234567890123456789\0"
antpassword = "NTPASSWORD\0"
almpassword = "LMPASSWORD\0"
empty_lm = "aad3b435b51404eeaad3b435b51404ee".decode('hex')
empty_nt = "31d6cfe0d16ae931b73c59d7e0c089c0".decode('hex')
def str_to_key(s):
key = []
key.append( ord(s[0])>>1 )
key.append( ((ord(s[0])&0x01)<<6) | (ord(s[1])>>2) )
key.append( ((ord(s[1])&0x03)<<5) | (ord(s[2])>>3) )
key.append( ((ord(s[2])&0x07)<<4) | (ord(s[3])>>4) )
key.append( ((ord(s[3])&0x0F)<<3) | (ord(s[4])>>5) )
key.append( ((ord(s[4])&0x1F)<<2) | (ord(s[5])>>6) )
key.append( ((ord(s[5])&0x3F)<<1) | (ord(s[6])>>7) )
key.append( ord(s[6])&0x7F )
for i in range(8):
key[i] = (key[i]<<1)
key[i] = odd_parity[key[i]]
return "".join(chr(k) for k in key)
def sid_to_key(sid):
s1 = ""
s1 += chr(sid & 0xFF)
s1 += chr((sid>>8) & 0xFF)
s1 += chr((sid>>16) & 0xFF)
s1 += chr((sid>>24) & 0xFF)
s1 += s1[0];
s1 += s1[1];
s1 += s1[2];
s2 = s1[3] + s1[0] + s1[1] + s1[2]
s2 += s2[0] + s2[1] + s2[2]
return str_to_key(s1),str_to_key(s2)
def find_control_set(sysaddr):
root = get_root(sysaddr)
if not root:
return 1
csselect = open_key(root, ["Select"])
if not csselect:
return 1
for v in values(csselect):
if v.Name == "Current": return v.Data.value
def get_hbootkey(samaddr, bootkey):
sam_account_path = ["SAM", "Domains", "Account"]
root = get_root(samaddr)
if not root: return None
sam_account_key = open_key(root, sam_account_path)
if not sam_account_key: return None
F = None
for v in values(sam_account_key):
if v.Name == 'F':
F = samaddr.read(v.Data.value, v.DataLength.value)
if not F: return None
md5 = MD5.new()
md5.update(F[0x70:0x80] + aqwerty + bootkey + anum)
rc4_key = md5.digest()
rc4 = ARC4.new(rc4_key)
hbootkey = rc4.encrypt(F[0x80:0xA0])
return hbootkey
def get_user_keys(samaddr):
user_key_path = ["SAM", "Domains", "Account", "Users"]
root = get_root(samaddr)
if not root: return []
user_key = open_key(root, user_key_path)
if not user_key: return []
return [k for k in subkeys(user_key) if k.Name != "Names"]
def decrypt_single_hash(rid, hbootkey, enc_hash, lmntstr):
(des_k1,des_k2) = sid_to_key(rid)
d1 = DES.new(des_k1, DES.MODE_ECB)
d2 = DES.new(des_k2, DES.MODE_ECB)
md5 = MD5.new()
md5.update(hbootkey[:0x10] + pack("<L",rid) + lmntstr)
rc4_key = md5.digest()
rc4 = ARC4.new(rc4_key)
obfkey = rc4.encrypt(enc_hash)
hash = d1.decrypt(obfkey[:8]) + d2.decrypt(obfkey[8:])
return hash
def decrypt_hashes(rid, enc_lm_hash, enc_nt_hash, hbootkey):
# LM Hash
if enc_lm_hash:
lmhash = decrypt_single_hash(rid, hbootkey, enc_lm_hash, almpassword)
else:
lmhash = ""
# NT Hash
if enc_nt_hash:
nthash = decrypt_single_hash(rid, hbootkey, enc_nt_hash, antpassword)
else:
nthash = ""
return lmhash,nthash
def get_user_hashes(user_key, hbootkey):
samaddr = user_key.space
rid = int(user_key.Name, 16)
V = None
for v in values(user_key):
if v.Name == 'V':
V = samaddr.read(v.Data.value, v.DataLength.value)
if not V: return None
hash_offset = unpack("<L", V[0x9c:0x9c+4])[0] + 0xCC
lm_exists = True if unpack("<L", V[0x9c+4:0x9c+8])[0] == 20 else False
nt_exists = True if unpack("<L", V[0x9c+16:0x9c+20])[0] == 20 else False
enc_lm_hash = V[hash_offset+4:hash_offset+20] if lm_exists else ""
enc_nt_hash = V[hash_offset+(24 if lm_exists else 8):hash_offset+(24 if lm_exists else 8)+16] if nt_exists else ""
return decrypt_hashes(rid, enc_lm_hash, enc_nt_hash, hbootkey)
def get_user_name(user_key):
samaddr = user_key.space
V = None
for v in values(user_key):
if v.Name == 'V':
V = samaddr.read(v.Data.value, v.DataLength.value)
if not V: return None
name_offset = unpack("<L", V[0x0c:0x10])[0] + 0xCC
name_length = unpack("<L", V[0x10:0x14])[0]
username = V[name_offset:name_offset+name_length].decode('utf-16-le')
return username
def dump_hashes(Key, samaddr):
bootkey = Key
hbootkey = get_hbootkey(samaddr,bootkey)
Output = ""
for user in get_user_keys(samaddr):
lmhash,nthash = get_user_hashes(user,hbootkey)
if not lmhash: lmhash = empty_lm
if not nthash: nthash = empty_nt
hashes = "%s:%d:%s:%s:::" % (get_user_name(user), int(user.Name,16),
lmhash.encode('hex'), nthash.encode('hex'))
hashesdump = "%s:%d:%s:%s:::\n" % (get_user_name(user), int(user.Name,16),
lmhash.encode('hex'), nthash.encode('hex'))
print hashes
Output += hashesdump
return Output
def dump_file_hashes(Key, samhive_fname):
samaddr = HiveFileAddressSpace(samhive_fname)
Output = dump_hashes(Key, samaddr)
return Output

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@ -0,0 +1,137 @@
# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from framework.win32.rawreg import *
from framework.addrspace import HiveFileAddressSpace
#from framework.win32.hashdump import get_bootkey,str_to_key
from Crypto.Hash import MD5
from Crypto.Cipher import ARC4,DES
def get_lsa_key(secaddr, bootkey):
root = get_root(secaddr)
if not root:
return None
enc_reg_key = open_key(root, ["Policy", "PolSecretEncryptionKey"])
if not enc_reg_key:
exit(1)
return None
enc_reg_value = enc_reg_key.ValueList.List[0]
if not enc_reg_value:
return None
obf_lsa_key = secaddr.read(enc_reg_value.Data.value,
enc_reg_value.DataLength.value)
if not obf_lsa_key:
return None
md5 = MD5.new()
md5.update(bootkey)
for i in range(1000):
md5.update(obf_lsa_key[60:76])
rc4key = md5.digest()
rc4 = ARC4.new(rc4key)
lsa_key = rc4.decrypt(obf_lsa_key[12:60])
return lsa_key[0x10:0x20]
def decrypt_secret(secret, key):
"""Python implementation of SystemFunction005.
Decrypts a block of data with DES using given key.
Note that key can be longer than 7 bytes."""
decrypted_data = ''
j = 0 # key index
for i in range(0,len(secret),8):
enc_block = secret[i:i+8]
block_key = key[j:j+7]
des_key = str_to_key(block_key)
des = DES.new(des_key, DES.MODE_ECB)
decrypted_data += des.decrypt(enc_block)
j += 7
if len(key[j:j+7]) < 7:
j = len(key[j:j+7])
(dec_data_len,) = unpack("<L", decrypted_data[:4])
return decrypted_data[8:8+dec_data_len]
def get_secret_by_name(secaddr, name, lsakey):
root = get_root(secaddr)
if not root:
return None
enc_secret_key = open_key(root, ["Policy", "Secrets", name, "CurrVal"])
if not enc_secret_key:
return None
enc_secret_value = enc_secret_key.ValueList.List[0]
if not enc_secret_value:
return None
enc_secret = secaddr.read(enc_secret_value.Data.value,
enc_secret_value.DataLength.value)
if not enc_secret:
return None
return decrypt_secret(enc_secret[0xC:], lsakey)
def get_secrets(Key, secaddr):
root = get_root(secaddr)
if not root:
return None
bootkey = Key
lsakey = get_lsa_key(secaddr, bootkey)
secrets_key = open_key(root, ["Policy", "Secrets"])
if not secrets_key:
print "no secret"
return None
secrets = {}
for key in subkeys(secrets_key):
sec_val_key = open_key(key, ["CurrVal"])
if not sec_val_key:
continue
enc_secret_value = sec_val_key.ValueList.List[0]
if not enc_secret_value:
continue
enc_secret = secaddr.read(enc_secret_value.Data.value,
enc_secret_value.DataLength.value)
if not enc_secret:
continue
secret = decrypt_secret(enc_secret[0xC:], lsakey)
secrets[key.Name] = secret
return secrets
def get_file_secrets(Key, secfile):
secaddr = HiveFileAddressSpace(secfile)
return get_secrets(Key, secaddr)

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# This file is part of creddump.
#
# creddump 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 3 of the License, or
# (at your option) any later version.
#
# creddump 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 creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from framework.newobj import Obj,Pointer
from struct import unpack
ROOT_INDEX = 0x20
LH_SIG = unpack("<H","lh")[0]
LF_SIG = unpack("<H","lf")[0]
RI_SIG = unpack("<H","ri")[0]
def get_root(address_space):
return Obj("_CM_KEY_NODE", ROOT_INDEX, address_space)
def open_key(root, key):
if key == []:
return root
keyname = key.pop(0)
for s in subkeys(root):
if s.Name.upper() == keyname.upper():
return open_key(s, key)
print "ERR: Couldn't find subkey %s of %s" % (keyname, root.Name)
return None
def subkeys(key,stable=True):
if stable: k = 0
else: k = 1
sk = (key.SubKeyLists[k]/["pointer", ["_CM_KEY_INDEX"]]).value
sub_list = []
if (sk.Signature.value == LH_SIG or
sk.Signature.value == LF_SIG):
sub_list = sk.List
elif sk.Signature.value == RI_SIG:
lfs = []
for i in range(sk.Count.value):
off,tp = sk.get_offset(['List', i])
lfs.append(Pointer("pointer", sk.address+off, sk.space,
["_CM_KEY_INDEX"]))
for lf in lfs:
sub_list += lf.List
for s in sub_list:
if s.is_valid() and s.Signature.value == 27502:
yield s.value
def values(key):
for v in key.ValueList.List:
yield v.value
def walk(root):
for k in subkeys(root):
yield k
for j in walk(k):
yield j