def pretty_repr(self, full_config_data):
data_offset = full_config_data.find(self.binary_repr())
if data_offset < 0 and self.datatype == confConsts.TYPE_STR:
self.length = 16
while self.length < 2048:
data_offset = full_config_data.find(self.binary_repr())
if data_offset > 0:
break
self.length *= 2
if data_offset < 0:
return 'Not Found'
repr_len = len(self.binary_repr())
conf_data = full_config_data[data_offset + repr_len:data_offset +
repr_len + self.length]
if self.datatype == confConsts.TYPE_SHORT:
conf_data = unpack('>H', conf_data)[0]
if self.is_bool:
ret = 'False' if conf_data == self.bool_false_value else 'True'
return ret
elif self.enum:
return self.enum[conf_data]
elif self.mask:
ret_arr = []
for k, v in self.mask.items():
if k == 0 and k == conf_data:
ret_arr.append(v)
if k & conf_data:
ret_arr.append(v)
return ret_arr
else:
return conf_data
elif self.datatype == confConsts.TYPE_INT:
if self.is_ipaddress:
return inet_ntoa(conf_data)
else:
conf_data = unpack('>i', conf_data)[0]
if self.is_date and conf_data != 0:
fulldate = str(conf_data)
return "%s-%s-%s" % (fulldate[0:4], fulldate[4:6],
fulldate[6:])
return conf_data
if self.is_blob:
if self.enum != None:
ret_arr = []
i = 0
while i < len(conf_data):
v = conf_data[i]
if v == 0:
return ret_arr
v = self.enum[v]
if v:
ret_arr.append(v)
i += 1
# Only EXECUTE_TYPE for now
else:
# Skipping unknown short value in the start
string1 = netunpack(b'I$',
conf_data[i + 3:])[0].decode()
string2 = netunpack(
b'I$',
conf_data[i + 3 + 4 + len(string1):])[0].decode()
ret_arr.append(
"%s:%s" %
(string1.strip('\x00'), string2.strip('\x00')))
i += len(string1) + len(string2) + 11
if self.is_transform:
if conf_data == bytes(len(conf_data)):
return 'Empty'
ret_arr = []
prepend_length = unpack('>I', conf_data[0:4])[0]
prepend = conf_data[4:4 + prepend_length]
append_length_offset = prepend_length + 4
append_length = unpack(
'>I', conf_data[append_length_offset:append_length_offset +
4])[0]
append = conf_data[append_length_offset +
4:append_length_offset + 4 + append_length]
ret_arr.append(prepend)
ret_arr.append(append if append_length < 256
and append != bytes(append_length) else 'Empty')
return ret_arr
if self.is_malleable_stream:
prog = []
fh = io.BytesIO(conf_data)
while True:
op = read_dword_be(fh)
if not op:
break
if op == 1:
l = read_dword_be(fh)
prog.append("Remove %d bytes from the end" % l)
elif op == 2:
l = read_dword_be(fh)
prog.append("Remove %d bytes from the beginning" % l)
elif op == 3:
prog.append("Base64 decode")
elif op == 8:
prog.append("NetBIOS decode 'a'")
elif op == 11:
prog.append("NetBIOS decode 'A'")
elif op == 13:
prog.append("Base64 URL-safe decode")
elif op == 15:
prog.append("XOR mask w/ random key")
conf_data = prog
if self.hashBlob:
conf_data = conf_data.strip(b'\x00')
conf_data = hashlib.md5(conf_data).hexdigest()
return conf_data
if self.is_headers:
return self.parse_transformdata(conf_data)
conf_data = conf_data.strip(b'\x00').decode()
return conf_data
def pretty_repr(self, full_config_data):
data_offset = full_config_data.find(self.binary_repr())
if data_offset < 0:
return "Not Found"
repr_len = len(self.binary_repr())
conf_data = full_config_data[data_offset + repr_len:data_offset +
repr_len + self.length]
if self.datatype == confConsts.TYPE_SHORT:
conf_data = unpack(">H", conf_data)[0]
if self.is_bool:
ret = "False" if conf_data == self.bool_false_value else "True"
return ret
elif self.enum:
return self.enum[conf_data]
elif self.mask:
ret_arr = []
for k, v in self.mask.items():
if k == 0 and k == conf_data:
ret_arr.append(v)
if k & conf_data:
ret_arr.append(v)
return ret_arr
else:
return conf_data
elif self.datatype == confConsts.TYPE_INT:
if self.is_ipaddress:
return inet_ntoa(conf_data)
else:
conf_data = unpack(">I", conf_data)[0]
if self.is_date and conf_data != 0:
fulldate = str(conf_data)
return f"{fulldate[0:4]}-{fulldate[4:6]}-{fulldate[6:]}"
return conf_data
if self.is_blob:
if self.enum is not None:
ret_arr = []
i = 0
while i < len(conf_data):
v = conf_data[i]
if v == 0:
return ret_arr
v = self.enum[v]
if v:
ret_arr.append(v)
i += 1
# Only EXECUTE_TYPE for now
else:
# Skipping unknown short value in the start
string1 = netunpack(b"I$",
conf_data[i + 3:])[0].decode()
string2 = netunpack(
b"I$",
conf_data[i + 3 + 4 + len(string1):])[0].decode()
ret_arr.append("{}:{}".format(string1.strip("\x00"),
string2.strip("\x00")))
i += len(string1) + len(string2) + 11
elif self.is_transform:
if conf_data == bytes(len(conf_data)):
return "Empty"
ret_arr = []
prepend_length = unpack(">I", conf_data[0:4])[0]
prepend = conf_data[4:4 + prepend_length].hex()
append_length_offset = prepend_length + 4
append_length = unpack(
">I", conf_data[append_length_offset:append_length_offset +
4])[0]
append = conf_data[append_length_offset +
4:append_length_offset + 4 +
append_length].hex()
ret_arr.append(prepend)
ret_arr.append(append if append_length < 256
and append != bytes(append_length) else "Empty")
return ret_arr
elif self.is_malleable_stream:
prog = []
fh = io.BytesIO(conf_data)
while True:
op = read_dword_be(fh)
if not op:
break
if op == 1:
l = read_dword_be(fh)
prog.append(f"Remove {l} bytes from the end")
elif op == 2:
l = read_dword_be(fh)
prog.append(f"Remove {l} bytes from the beginning")
elif op == 3:
prog.append("Base64 decode")
elif op == 8:
prog.append("NetBIOS decode 'a'")
elif op == 11:
prog.append("NetBIOS decode 'A'")
elif op == 13:
prog.append("Base64 URL-safe decode")
elif op == 15:
prog.append("XOR mask w/ random key")
conf_data = prog
else:
conf_data = conf_data.hex()
return conf_data
if self.is_headers:
conf_data = conf_data.strip(b"\x00")
conf_data = [
chunk[1:].decode() for chunk in conf_data.split(b"\x00")
if len(chunk) > 1
]
return conf_data
conf_data = conf_data.strip(b"\x00").decode()
return conf_data
def pretty_repr(self, full_config_data):
data_offset = full_config_data.find(self.binary_repr())
if data_offset < 0:
return "Not Found"
repr_len = len(self.binary_repr())
conf_data = full_config_data[data_offset + repr_len:data_offset +
repr_len + self.length]
if self.datatype == confConsts.TYPE_SHORT:
conf_data = unpack(">H", conf_data)[0]
if self.is_bool:
ret = "False" if conf_data == self.bool_false_value else "True"
return ret
elif self.enum:
return self.enum[conf_data]
elif self.mask:
ret_arr = []
for k, v in self.mask.items():
if k == 0 and k == conf_data:
ret_arr.append(v)
if k & conf_data:
ret_arr.append(v)
return ret_arr
else:
return conf_data
elif self.datatype == confConsts.TYPE_INT:
if self.is_ipaddress:
return inet_ntoa(conf_data)
else:
conf_data = unpack(">I", conf_data)[0]
if self.is_date and conf_data != 0:
fulldate = str(conf_data)
return "%s-%s-%s" % (fulldate[0:4], fulldate[4:6],
fulldate[6:])
return conf_data
if self.is_blob:
if self.enum != None:
ret_arr = []
i = 0
while i < len(conf_data):
v = conf_data[i]
if v == 0:
return ret_arr
v = self.enum[v]
if v:
ret_arr.append(v)
i += 1
# Only EXECUTE_TYPE for now
else:
# Skipping unknown short value in the start
string1 = netunpack(b"I$",
conf_data[i + 3:])[0].decode()
string2 = netunpack(
b"I$",
conf_data[i + 3 + 4 + len(string1):])[0].decode()
ret_arr.append(
"%s:%s" %
(string1.strip("\x00"), string2.strip("\x00")))
i += len(string1) + len(string2) + 11
if self.is_transform:
if conf_data == bytes(len(conf_data)):
return "Empty"
ret_arr = []
prepend_length = unpack(">I", conf_data[0:4])[0]
prepend = conf_data[4:4 + prepend_length]
append_length_offset = prepend_length + 4
append_length = unpack(
">I", conf_data[append_length_offset:append_length_offset +
4])[0]
append = conf_data[append_length_offset +
4:append_length_offset + 4 + append_length]
ret_arr.append(prepend)
ret_arr.append(append if append_length < 256
and append != bytes(append_length) else "Empty")
return ret_arr
return conf_data
if self.is_headers:
conf_data = conf_data.strip(b"\x00")
conf_data = [
chunk[1:].decode() for chunk in conf_data.split(b"\x00")
if len(chunk) > 1
]
return conf_data
conf_data = conf_data.strip(b"\x00").decode()
return conf_data
