-
Notifications
You must be signed in to change notification settings - Fork 503
/
unlocker.py
executable file
·401 lines (324 loc) · 13 KB
/
unlocker.py
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
"""
The MIT License (MIT)
Copyright (c) 2014-2015 Dave Parsons & Sam Bingner
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the 'Software'), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
vSMC Header Structure
Offset Length struct Type Description
----------------------------------------
0x00/00 0x08/08 Q ptr Offset to key table
0x08/08 0x04/4 I int Number of private keys
0x0C/12 0x04/4 I int Number of public keys
vSMC Key Data Structure
Offset Length struct Type Description
----------------------------------------
0x00/00 0x04/04 4s int Key name (byte reversed e.g. #KEY is YEK#)
0x04/04 0x01/01 B byte Length of returned data
0x05/05 0x04/04 4s int Data type (byte reversed e.g. ui32 is 23iu)
0x09/09 0x01/01 B byte Flag R/W
0x0A/10 0x06/06 6x byte Padding
0x10/16 0x08/08 Q ptr Internal VMware routine
0x18/24 0x30/48 48B byte Data
"""
import os
import sys
import struct
if sys.version_info < (2, 7):
sys.stderr.write('You need Python 2.7 or later\n')
sys.exit(1)
# Setup imports depending on whether IronPython or CPython
if sys.platform == 'win32' \
or sys.platform == 'cli':
from _winreg import *
def rot13(s):
chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz'
trans = chars[26:] + chars[:26]
rot_char = lambda c: trans[chars.find(c)] if chars.find(c) > -1 else c
return ''.join(rot_char(c) for c in s)
def bytetohex(bytestr):
return ''.join(['%02X ' % ord(x) for x in bytestr]).strip()
def printkey(i, offset, smc_key, smc_data):
print str(i+1).zfill(3) \
+ ' ' + hex(offset) \
+ ' ' + smc_key[0][::-1] \
+ ' ' + str(smc_key[1]).zfill(2) \
+ ' ' + smc_key[2][::-1].replace('\x00', ' ') \
+ ' ' + '{0:#0{1}x}'.format(smc_key[3], 4) \
+ ' ' + hex(smc_key[4]) \
+ ' ' + bytetohex(smc_data)
E_CLASS64 = 2;
E_SHT_RELA = 4;
def patchELF(f, oldOffset, newOffset):
f.seek(0)
magic = f.read(4)
if not magic == b'\x7fELF':
raise Exception('Magic number does not match')
ei_class = struct.unpack('=B', f.read(1))[0]
if ei_class != E_CLASS64:
raise Exception('Not 64bit elf header: ' + ei_class)
f.seek(40)
e_shoff = struct.unpack('=Q', f.read(8))[0]
f.seek(58)
e_shentsize = struct.unpack('=H', f.read(2))[0]
e_shnum = struct.unpack('=H', f.read(2))[0]
e_shstrndx = struct.unpack('=H', f.read(2))[0]
#print 'e_shoff: 0x{:x} e_shentsize: 0x{:x} e_shnum:0x{:x} e_shstrndx:0x{:x}'.format(e_shoff, e_shentsize, e_shnum, e_shstrndx)
for i in range(0, e_shnum):
f.seek(e_shoff + i * e_shentsize)
e_sh = struct.unpack('=LLQQQQLLQQ', f.read(e_shentsize))
e_sh_name = e_sh[0]
e_sh_type = e_sh[1]
e_sh_offset = e_sh[4]
e_sh_size = e_sh[5]
e_sh_entsize = e_sh[9]
if e_sh_type == E_SHT_RELA:
e_sh_nument = e_sh_size / e_sh_entsize
#print 'RELA at 0x{:x} with {:d} entries'.format(e_sh_offset, e_sh_nument)
for j in range(0, e_sh_nument):
f.seek(e_sh_offset + e_sh_entsize * j)
rela = struct.unpack('=QQq', f.read(e_sh_entsize))
r_offset = rela[0]
r_info = rela[1]
r_addend = rela[2]
if r_addend == oldOffset:
r_addend = newOffset;
f.seek(e_sh_offset + e_sh_entsize * j)
f.write(struct.pack('=QQq', r_offset, r_info, r_addend))
print 'Relocation modified at: ' + hex(e_sh_offset + e_sh_entsize * j)
def patchkeys(f, vmx, key, osname):
# Setup struct pack string
key_pack = '=4sB4sB6xQ'
# Do Until OSK1 read
i = 0
while True:
# Read key into struct str and data byte str
offset = key + (i * 72)
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
# Reset pointer to beginning of key entry
f.seek(offset)
if smc_key[0] == 'SKL+':
# Use the +LKS data routine for OSK0/1
smc_new_memptr = smc_key[4]
print '+LKS Key: '
printkey(i, offset, smc_key, smc_data)
elif smc_key[0] == '0KSO':
# Write new data routine pointer from +LKS
print 'OSK0 Key Before:'
printkey(i, offset, smc_key, smc_data)
smc_old_memptr = smc_key[4]
f.seek(offset)
f.write(struct.pack(key_pack, smc_key[0], smc_key[1], smc_key[2], smc_key[3], smc_new_memptr))
f.flush()
# Write new data for key
f.seek(offset + 24)
smc_new_data = rot13('bheuneqjbexolgurfrjbeqfthneqrqcy')
f.write(smc_new_data)
f.flush()
# Re-read and print key
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
print 'OSK0 Key After:'
printkey(i, offset, smc_key, smc_data)
elif smc_key[0] == '1KSO':
# Write new data routine pointer from +LKS
print 'OSK1 Key Before:'
printkey(i, offset, smc_key, smc_data)
smc_old_memptr = smc_key[4]
f.seek(offset)
f.write(struct.pack(key_pack, smc_key[0], smc_key[1], smc_key[2], smc_key[3], smc_new_memptr))
f.flush()
# Write new data for key
f.seek(offset + 24)
smc_new_data = rot13('rnfrqbagfgrny(p)NccyrPbzchgreVap')
f.write(smc_new_data)
f.flush()
# Re-read and print key
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
print 'OSK1 Key After:'
printkey(i, offset, smc_key, smc_data)
# Finished so get out of loop
break
else:
pass
i += 1
return smc_old_memptr, smc_new_memptr
def patchsmc(name, osname):
with open(name, 'r+b') as f:
# Read file into string variable
vmx = f.read()
print 'File: ' + name
# Setup hex string for vSMC headers
# These are the private and public key counts
smc_header_v0 = '\xF2\x00\x00\x00\xF0\x00\x00\x00'
smc_header_v1 = '\xB4\x01\x00\x00\xB0\x01\x00\x00'
# Setup hex string for #KEY key
key_key = '\x59\x45\x4B\x23\x04\x32\x33\x69\x75'
# Setup hex string for $Adr key
adr_key = '\x72\x64\x41\x24\x04\x32\x33\x69\x75'
# Find the vSMC headers
smc_header_v0_offset = vmx.find(smc_header_v0) - 8
smc_header_v1_offset = vmx.find(smc_header_v1) - 8
# Find '#KEY' keys
smc_key0 = vmx.find(key_key)
smc_key1 = vmx.rfind(key_key)
# Find '$Adr' key only V1 table
smc_adr = vmx.find(adr_key)
# Print vSMC0 tables and keys
print 'appleSMCTableV0 (smc.version = "0")'
print 'appleSMCTableV0 Address : ' + hex(smc_header_v0_offset)
print 'appleSMCTableV0 Private Key #: 0xF2/242'
print 'appleSMCTableV0 Public Key #: 0xF0/240'
if (smc_adr - smc_key0) != 72:
print 'appleSMCTableV0 Table : ' + hex(smc_key0)
smc_old_memptr, smc_new_memptr = patchkeys(f, vmx, smc_key0, osname)
elif (smc_adr - smc_key1) != 72:
print 'appleSMCTableV0 Table : ' + hex(smc_key1)
smc_old_memptr, smc_new_memptr = patchkeys(f, vmx, smc_key1, osname)
print
# Print vSMC1 tables and keys
print 'appleSMCTableV1 (smc.version = "1")'
print 'appleSMCTableV1 Address : ' + hex(smc_header_v1_offset)
print 'appleSMCTableV1 Private Key #: 0x01B4/436'
print 'appleSMCTableV1 Public Key #: 0x01B0/432'
if (smc_adr - smc_key0) == 72:
print 'appleSMCTableV1 Table : ' + hex(smc_key0)
smc_old_memptr, smc_new_memptr = patchkeys(f, vmx, smc_key0, osname)
elif (smc_adr - smc_key1) == 72:
print 'appleSMCTableV1 Table : ' + hex(smc_key1)
smc_old_memptr, smc_new_memptr = patchkeys(f, vmx, smc_key1, osname)
print
# Find matching RELA record in .rela.dyn in ESXi ELF files
# This is temporary code until proper ELF parsing written
if osname == 'vmkernel':
print 'Modifying RELA records from: ' + hex(smc_old_memptr) + ' to ' + hex(smc_new_memptr)
patchELF(f, smc_old_memptr, smc_new_memptr)
# Tidy up
f.flush()
f.close()
def patchbase(name):
# Patch file
print 'GOS Patching: ' + name
f = open(name, 'r+b')
# Entry to search for in GOS table
darwin = (
'\x10\x00\x00\x00\x10\x00\x00\x00'
'\x02\x00\x00\x00\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x00'
'\xBE'
)
# Read file into string variable
base = f.read()
# Loop thorugh each entry and set top bit
# 0xBE --> 0xBF
offset = 0
while offset < len(base):
offset = base.find(darwin, offset)
if offset == -1:
break
f.seek(offset + 32)
flag = f.read(1)
if flag == '\xBE':
f.seek(offset + 32)
f.write('\xBF')
print 'GOS Patched flag @: ' + hex(offset)
else:
print 'GOS Unknown flag @: ' + hex(offset) + '/' + hex(int(flag))
offset += 33
# Tidy up
f.flush()
f.close()
print 'GOS Patched: ' + name
def patchvmkctl(name):
# Patch file
print 'smcPresent Patching: ' + name
f = open(name, 'r+b')
# Read file into string variable
vmkctl = f.read()
applesmc = vmkctl.find('applesmc')
f.seek(applesmc)
f.write('vmkernel')
# Tidy up
f.flush()
f.close()
print 'smcPresent Patched: ' + name
def main():
# Work around absent Platform module on VMkernel
if os.name == 'nt' or os.name == 'cli':
osname = 'windows'
else:
osname = os.uname()[0].lower()
# Setup default paths
if osname == 'darwin':
vmx_path = '/Applications/VMware Fusion.app/Contents/Library/'
vmx = vmx_path + 'vmware-vmx'
vmx_debug = vmx_path + 'vmware-vmx-debug'
vmx_stats = vmx_path + 'vmware-vmx-stats'
vmwarebase = ''
elif osname == 'linux':
vmx_path = '/usr/lib/vmware/bin/'
vmx = vmx_path + 'vmware-vmx'
vmx_debug = vmx_path + 'vmware-vmx-debug'
vmx_stats = vmx_path + 'vmware-vmx-stats'
vmwarebase = '/usr/lib/vmware/lib/libvmwarebase.so.0/libvmwarebase.so.0'
elif osname == 'vmkernel':
vmx_path = '/unlocker/'
vmx = vmx_path + 'vmx'
vmx_debug = vmx_path + 'vmx-debug'
vmx_stats = vmx_path + 'vmx-stats'
vmwarebase = ''
libvmkctl = vmx_path + 'libvmkctl.so'
elif osname == 'windows':
reg = ConnectRegistry(None, HKEY_LOCAL_MACHINE)
key = OpenKey(reg, r'SOFTWARE\Wow6432Node\VMware, Inc.\VMware Workstation')
vmwarebase_path = QueryValueEx(key, 'InstallPath')[0]
vmx_path = QueryValueEx(key, 'InstallPath64')[0]
vmx = vmx_path + 'vmware-vmx.exe'
vmx_debug = vmx_path + 'vmware-vmx-debug.exe'
vmx_stats = vmx_path + 'vmware-vmx-stats.exe'
vmwarebase = vmwarebase_path + 'vmwarebase.dll'
else:
print('Unknown Operating System: ' + osname)
return
# Test - remove
# osname = 'vmkernel'
# vmx = 'D:\\vmware\\test\\patched\\vmx'
# vmx_debug = 'D:\\vmware\\test\\patched\\vmx-debug'
# vmx_stats = 'D:\\vmware\\test\\patched\\vmx-stats'
# vmwarebase = ''
# libvmkctl = 'D:\\vmware\\test\\patched\\libvmkctl.so'
# Patch the vmx executables skipping stats version for Player
patchsmc(vmx, osname)
patchsmc(vmx_debug, osname)
try:
patchsmc(vmx_stats, osname)
except IOError:
pass
# Patch vmwarebase for Workstation and Player
# Not required on Fusion or ESXi as table already has correct flags
if vmwarebase != '':
patchbase(vmwarebase)
else:
print 'Patching vmwarebase is not required on this system'
if osname == 'vmkernel':
patchvmkctl(libvmkctl)
if __name__ == '__main__':
main()