-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathphobos_configuration_extractor.py
More file actions
155 lines (143 loc) · 7.34 KB
/
phobos_configuration_extractor.py
File metadata and controls
155 lines (143 loc) · 7.34 KB
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
from enum import IntEnum
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
import idc
import ida_bytes
import ida_name
class CONFIG_INDEX_ENUM(IntEnum):
CONFIG_HASH = 0
CONFIG_SIZE = 1
EMBEDDED_RSA_KEY = 2
FLAGS = 3
RANSOM_FILE_EXTENSION = 4
RESERVED = 5
TARGET_EXTENSIONS = 6
BLACKLIST_EXTENSIONS = 7
BLACKLIST_FILES = 8
BLACKLIST_FOLDERS = 9
PROCESS_KILL_LIST = 10
RANSOM_NOTE_NAME_HTA = 11
RANSOM_NOTE_NAME_TXT = 12
RANSOM_NOTE_HTA = 13
RANSOM_NOTE_TXT = 14
TARGET_FOLDER_DESKTOP = 15
TARGET_FOLDER_APPDATA = 16
REG_PERSOST_KEY = 17
TARGET_FOLDER_STARTUP = 18
RESERVED_HASH1 = 19
MSG_ALPHABET = 20
API_RUNAS = 21
API_OPEN = 22
TARGET_FOLDER_SYSDRIVE = 23
TARGET_FOLDER_TEMP = 24
MUTEX_NAME = 25
API_KERNEL32_DISABLEWOW64FSREDIR = 26
API_KERNEL32_GETFINALPATHNAMEBYHANDLEW = 27
API_SEDEBUGPRIVILEGE = 28
API_SEBACKUPPRIVILEGE = 29
API_QUERYINFORMATIONPROCESS = 30
EXPLORER_EXE = 31
API_SHCREATEITEMFROMPARSINGNAME = 32
UAC_ELEVATION_CLSID = 33
BLACKLIST_DOTNET_PATH = 34
HKEY_CURRENT_BUILD = 35
HKEY_UAC_CONSENTPROMPTBEHAVIORADMIN = 36
API_ISWOW64PROCESS = 37
API_COMPMGMT = 38
API_CREATEPROCESSWITHTOKENW = 39
TARGET_FILDER_USERSHELL = 40
FOLDER_COMSPEC = 41
CMD_DELETE_BKP = 42
CMD_OPEN_FIREWALL = 43
CMD_ADITIONAL1 = 44
RESERVED2 = 45
RESERVED3 = 46
PE_EMBEDDED_32BIT = 47
PE_EMBEDDED_64BIT = 48
FEATURES_FLAG = 49
RESERVED_HASH2 = 50
VERSION_ID = 51
MSG_LOCAL_THREAD_START = 52
MSG_LOCAL_THREAD_STOP = 53
MSG_USER_THREAD_START = 54
MSG_USER_THREAD_STOP = 55
MSG_DRIVE_SCAN_START = 56
MSG_DRIVE_SCAN_STOP = 57
MSG_NETWORK_SCAN_START = 58
MSG_NETWORK_SCAN_STOP = 59
MSG_NETWORK_SCAN_COMPLETE = 60
MSG_PROC_WATCHDOG_START = 61
MSG_PROC_WATCHDOG_STOP = 62
MSG_INSTANCE_SYNC_START = 63
MSG_INSTANCE_SYNC_STOP = 64
MSG_PLUS = 65
MSG_MINUS = 66
DEBUG_FILE_NAME = 67
CFG_USERNAME = 68
CFG_HTTP_PATH = 69
CFG_OPT_DATA = 70
class Payload_header_t:
def __init__(self, header_name):
self.header_addr = ida_name.get_name_ea(idc.BADADDR, header_name)
self.payload_offset = ida_bytes.get_dword(self.header_addr)
self.payload_addr = self.header_addr + self.payload_offset
self.payload_size = ida_bytes.get_dword(self.header_addr + 4)
self.AES_key = ida_bytes.get_bytes(self.header_addr + 8, 32)
self.payload_CRC32 = ida_bytes.get_dword(self.header_addr + 0x28)
def __str__(self):
return_string = "\tHEADER:\n"
return_string += f"\t\t header addr: {hex(self.header_addr)}\n"
return_string += f"\t\t payload addr: {hex(self.payload_addr)}\n"
return_string += f"\t\t AES key: {self.AES_key.hex()}\n"
return return_string
class Conf_header_t:
def __init__(self, header_start):
self.index = ida_bytes.get_dword(header_start)
self.offset = ida_bytes.get_dword(header_start+4)
self.size = ida_bytes.get_dword(header_start+8)
class Phobos_conf_t:
def __init__(self, buffer_addr, size, entry_count, AES_key):
self.header = {}
self.entry_count = entry_count
for i in range(entry_count):
self.header[CONFIG_INDEX_ENUM(ida_bytes.get_dword(buffer_addr+i*12)).name] = Conf_header_t(buffer_addr+i*12)
self.encrypted_buff = ida_bytes.get_bytes(buffer_addr + entry_count*12, size)
self.data = {}
for i in range(len(CONFIG_INDEX_ENUM)):
config_name = CONFIG_INDEX_ENUM(i).name
if config_name in self.header:
cypher = AES.new(AES_key, AES.MODE_CBC, bytes(16))
encrypted_data_size = AES.block_size * ((self.header[config_name].size // AES.block_size) +1)
self.data[config_name] = cypher.decrypt(self.encrypted_buff[self.header[config_name].offset:][:encrypted_data_size])[:self.header[config_name].size]
if self.data[config_name][1] == 0:
self.data[config_name] = self.data[config_name].decode('utf-16').encode('utf-8')
def __str__(self):
return_string = "\tCONF:\n"
return_string += f"\t\t entry count: {hex(self.entry_count)}\n"
for i in range(len(CONFIG_INDEX_ENUM)):
config_name = CONFIG_INDEX_ENUM(i).name
if config_name in self.header:
if "HASH" in config_name or "RSA" in config_name or "FLAG" in config_name:
return_string += f"\t\t {config_name}: {self.data[config_name].hex()}\n"
elif "SIZE" in config_name:
return_string += f"\t\t {config_name}: {int.from_bytes(self.data[config_name], 'big')} bytes\n"
elif len(self.data[config_name]) > 1000:
return_string += f"\t\t {config_name} (size too big, showing only first 100): {self.data[config_name][:100]}\n"
else:
return_string += f"\t\t {config_name}: {self.data[config_name]}\n"
else:
print(f"{config_name} not in conf")
return return_string
class Phobos_payload_t:
def __init__(self, header_name):
self.header = Payload_header_t(header_name)
self.entry_count = ida_bytes.get_dword(self.header.payload_addr)
self.encrypted_buff_size = ida_bytes.get_dword(self.header.payload_addr+4)
self.conf = Phobos_conf_t(self.header.payload_addr+8, self.encrypted_buff_size, self.entry_count, self.header.AES_key)
def __str__(self):
return_string = "PAYLOAD:\n"
return_string += str(self.header)
return_string += str(self.conf)
return return_string
Phobos_payload = Phobos_payload_t("payload_header")
print(Phobos_payload)