225 lines
7.8 KiB
Python
225 lines
7.8 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# Most of the code in this file has been taken from adobekey.pyw written by i♥cabbages
|
|
# adobekey.pyw, version 7.0
|
|
# Copyright © 2009-2020 i♥cabbages, Apprentice Harper et al.
|
|
# Released under the terms of the GNU General Public Licence, version 3
|
|
# <http://www.gnu.org/licenses/>
|
|
|
|
|
|
from ctypes import windll, c_char_p, c_wchar_p, c_uint, POINTER, byref, \
|
|
create_unicode_buffer, create_string_buffer, CFUNCTYPE, \
|
|
string_at, Structure, c_void_p, cast, c_size_t, memmove
|
|
|
|
from ctypes.wintypes import LPVOID, DWORD, BOOL
|
|
import struct
|
|
|
|
try:
|
|
import winreg
|
|
except ImportError:
|
|
import _winreg as winreg
|
|
|
|
|
|
MAX_PATH = 255
|
|
|
|
kernel32 = windll.kernel32
|
|
advapi32 = windll.advapi32
|
|
crypt32 = windll.crypt32
|
|
|
|
def GetSystemDirectory():
|
|
GetSystemDirectoryW = kernel32.GetSystemDirectoryW
|
|
GetSystemDirectoryW.argtypes = [c_wchar_p, c_uint]
|
|
GetSystemDirectoryW.restype = c_uint
|
|
def GetSystemDirectory():
|
|
buffer = create_unicode_buffer(MAX_PATH + 1)
|
|
GetSystemDirectoryW(buffer, len(buffer))
|
|
return buffer.value
|
|
return GetSystemDirectory
|
|
GetSystemDirectory = GetSystemDirectory()
|
|
|
|
def GetVolumeSerialNumber():
|
|
GetVolumeInformationW = kernel32.GetVolumeInformationW
|
|
GetVolumeInformationW.argtypes = [c_wchar_p, c_wchar_p, c_uint,
|
|
POINTER(c_uint), POINTER(c_uint),
|
|
POINTER(c_uint), c_wchar_p, c_uint]
|
|
GetVolumeInformationW.restype = c_uint
|
|
def GetVolumeSerialNumber(path):
|
|
vsn = c_uint(0)
|
|
GetVolumeInformationW(
|
|
path, None, 0, byref(vsn), None, None, None, 0)
|
|
return vsn.value
|
|
return GetVolumeSerialNumber
|
|
GetVolumeSerialNumber = GetVolumeSerialNumber()
|
|
|
|
def GetUserName():
|
|
GetUserNameW = advapi32.GetUserNameW
|
|
GetUserNameW.argtypes = [c_wchar_p, POINTER(c_uint)]
|
|
GetUserNameW.restype = c_uint
|
|
def GetUserName():
|
|
buffer = create_unicode_buffer(32)
|
|
size = c_uint(len(buffer))
|
|
while not GetUserNameW(buffer, byref(size)):
|
|
buffer = create_unicode_buffer(len(buffer) * 2)
|
|
size.value = len(buffer)
|
|
return buffer.value.encode('utf-16-le')[::2]
|
|
return GetUserName
|
|
GetUserName = GetUserName()
|
|
|
|
PAGE_EXECUTE_READWRITE = 0x40
|
|
MEM_COMMIT = 0x1000
|
|
MEM_RESERVE = 0x2000
|
|
|
|
def VirtualAlloc():
|
|
_VirtualAlloc = kernel32.VirtualAlloc
|
|
_VirtualAlloc.argtypes = [LPVOID, c_size_t, DWORD, DWORD]
|
|
_VirtualAlloc.restype = LPVOID
|
|
def VirtualAlloc(addr, size, alloctype=(MEM_COMMIT | MEM_RESERVE),
|
|
protect=PAGE_EXECUTE_READWRITE):
|
|
return _VirtualAlloc(addr, size, alloctype, protect)
|
|
return VirtualAlloc
|
|
VirtualAlloc = VirtualAlloc()
|
|
|
|
MEM_RELEASE = 0x8000
|
|
|
|
def VirtualFree():
|
|
_VirtualFree = kernel32.VirtualFree
|
|
_VirtualFree.argtypes = [LPVOID, c_size_t, DWORD]
|
|
_VirtualFree.restype = BOOL
|
|
def VirtualFree(addr, size=0, freetype=MEM_RELEASE):
|
|
return _VirtualFree(addr, size, freetype)
|
|
return VirtualFree
|
|
VirtualFree = VirtualFree()
|
|
|
|
class NativeFunction(object):
|
|
def __init__(self, restype, argtypes, insns):
|
|
self._buf = buf = VirtualAlloc(None, len(insns))
|
|
memmove(buf, insns, len(insns))
|
|
ftype = CFUNCTYPE(restype, *argtypes)
|
|
self._native = ftype(buf)
|
|
|
|
def __call__(self, *args):
|
|
return self._native(*args)
|
|
|
|
def __del__(self):
|
|
if self._buf is not None:
|
|
VirtualFree(self._buf)
|
|
self._buf = None
|
|
|
|
if struct.calcsize("P") == 4:
|
|
CPUID0_INSNS = (
|
|
b"\x53" # push %ebx
|
|
b"\x31\xc0" # xor %eax,%eax
|
|
b"\x0f\xa2" # cpuid
|
|
b"\x8b\x44\x24\x08" # mov 0x8(%esp),%eax
|
|
b"\x89\x18" # mov %ebx,0x0(%eax)
|
|
b"\x89\x50\x04" # mov %edx,0x4(%eax)
|
|
b"\x89\x48\x08" # mov %ecx,0x8(%eax)
|
|
b"\x5b" # pop %ebx
|
|
b"\xc3" # ret
|
|
)
|
|
CPUID1_INSNS = (
|
|
b"\x53" # push %ebx
|
|
b"\x31\xc0" # xor %eax,%eax
|
|
b"\x40" # inc %eax
|
|
b"\x0f\xa2" # cpuid
|
|
b"\x5b" # pop %ebx
|
|
b"\xc3" # ret
|
|
)
|
|
else:
|
|
CPUID0_INSNS = (
|
|
b"\x49\x89\xd8" # mov %rbx,%r8
|
|
b"\x49\x89\xc9" # mov %rcx,%r9
|
|
b"\x48\x31\xc0" # xor %rax,%rax
|
|
b"\x0f\xa2" # cpuid
|
|
b"\x4c\x89\xc8" # mov %r9,%rax
|
|
b"\x89\x18" # mov %ebx,0x0(%rax)
|
|
b"\x89\x50\x04" # mov %edx,0x4(%rax)
|
|
b"\x89\x48\x08" # mov %ecx,0x8(%rax)
|
|
b"\x4c\x89\xc3" # mov %r8,%rbx
|
|
b"\xc3" # retq
|
|
)
|
|
CPUID1_INSNS = (
|
|
b"\x53" # push %rbx
|
|
b"\x48\x31\xc0" # xor %rax,%rax
|
|
b"\x48\xff\xc0" # inc %rax
|
|
b"\x0f\xa2" # cpuid
|
|
b"\x5b" # pop %rbx
|
|
b"\xc3" # retq
|
|
)
|
|
|
|
def cpuid0():
|
|
_cpuid0 = NativeFunction(None, [c_char_p], CPUID0_INSNS)
|
|
buf = create_string_buffer(12)
|
|
def cpuid0():
|
|
_cpuid0(buf)
|
|
return buf.raw
|
|
return cpuid0
|
|
cpuid0 = cpuid0()
|
|
|
|
cpuid1 = NativeFunction(c_uint, [], CPUID1_INSNS)
|
|
|
|
class DataBlob(Structure):
|
|
_fields_ = [('cbData', c_uint),
|
|
('pbData', c_void_p)]
|
|
DataBlob_p = POINTER(DataBlob)
|
|
|
|
def CryptUnprotectData():
|
|
_CryptUnprotectData = crypt32.CryptUnprotectData
|
|
_CryptUnprotectData.argtypes = [DataBlob_p, c_wchar_p, DataBlob_p,
|
|
c_void_p, c_void_p, c_uint, DataBlob_p]
|
|
_CryptUnprotectData.restype = c_uint
|
|
def CryptUnprotectData(indata, entropy):
|
|
indatab = create_string_buffer(indata)
|
|
indata = DataBlob(len(indata), cast(indatab, c_void_p))
|
|
entropyb = create_string_buffer(entropy)
|
|
entropy = DataBlob(len(entropy), cast(entropyb, c_void_p))
|
|
outdata = DataBlob()
|
|
if not _CryptUnprotectData(byref(indata), None, byref(entropy),
|
|
None, None, 0, byref(outdata)):
|
|
raise Exception("Failed to decrypt user key key (sic)")
|
|
return string_at(outdata.pbData, outdata.cbData)
|
|
return CryptUnprotectData
|
|
CryptUnprotectData = CryptUnprotectData()
|
|
|
|
DEVICE_KEY_PATH = r'Software\Adobe\Adept\Device'
|
|
|
|
def GetMasterKey():
|
|
root = GetSystemDirectory().split('\\')[0] + '\\'
|
|
serial = GetVolumeSerialNumber(root)
|
|
vendor = cpuid0()
|
|
signature = struct.pack('>I', cpuid1())[1:]
|
|
try:
|
|
regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, DEVICE_KEY_PATH)
|
|
device = winreg.QueryValueEx(regkey, 'key')[0]
|
|
|
|
# ADE puts an "username" attribute into that key which was unused
|
|
# in previous versions of this script. This means that this key
|
|
# retrieval script would break / not work if the user had ever
|
|
# changed their Windows account user name after installing ADE.
|
|
# By reading the "username" registry entry if available we won't
|
|
# have that problem anymore.
|
|
|
|
try:
|
|
user = winreg.QueryValueEx(regkey, 'username')[0].encode('utf-16-le')[::2]
|
|
# Yes, this actually only uses the lowest byte of each character.
|
|
except:
|
|
# This value should always be available, but just in case
|
|
# it's not, use the old implementation.
|
|
user = GetUserName()
|
|
|
|
except WindowsError:
|
|
return None
|
|
|
|
entropy = struct.pack('>I12s3s13s', serial, vendor, signature, user)
|
|
try:
|
|
keykey = CryptUnprotectData(device, entropy)
|
|
except Exception:
|
|
# There was an exception, so this thing was unable to decrypt
|
|
# the key. Maybe this is due to the new user name handling, so
|
|
# let's retry with the old code.
|
|
user = GetUserName()
|
|
entropy = struct.pack('>I12s3s13s', serial, vendor, signature, user)
|
|
keykey = CryptUnprotectData(device, entropy)
|
|
|
|
return keykey |