def Center(key):
if (request.headers["Accept-platform"] == "x86"):
buf = buf_x86
else:
buf = buf_x64
t = time.time()
t = int(int(t) / 100)
hl = hashlib.md5()
hl.update((obs + str(t)).encode(encoding='utf-8'))
md5 = hl.hexdigest()
if key == md5:
global keys
print(int(time.time()), keys[0])
if int(time.time()) - keys[0] >= 10:
salt = ''.join(
random.sample(string.ascii_letters + string.digits, 32))
print(salt)
keys[1] = salt
keys[0] = int(time.time())
print(keys)
return keys[1]
elif key == str(int(int(time.time()) / 100)) + ".jpg":
arc4 = ARC4(keys[1])
enc = arc4.encrypt(buf)
b64 = base64.b64encode(enc)
arc3 = ARC4(keys[1])
dec = arc3.decrypt(enc)
return b64.decode()
return "nothing"
def handle_tcp(decode_arc4, sock, remote):
# 处理 client socket 和 remote socket 的数据流
encode_rc4 = ARC4('niceDayIn2020@998')
try:
fdset = [sock, remote]
while True:
# 用 IO 多路复用 select 监听套接字是否有数据流
r, w, e = select.select(fdset, [], [])
if sock in r:
data = sock.recv(4096)
if len(data) <= 0:
break
rdata = decode_arc4.decrypt(data)
print(rdata)
result = send_data(remote, rdata)
if result < len(data):
raise Exception('failed to send all data')
if remote in r:
data = remote.recv(4096)
if len(data) <= 0:
break
result = send_data(sock, encode_rc4.encrypt(data))
if result < len(data):
raise Exception('failed to send all data')
except Exception as e:
raise (e)
finally:
sock.close()
remote.close()
def Main(qname):
with open('secret.zip', 'wb') as f:
f.write(ARC4(key_).decrypt(decode(qname)))
with zipfile.ZipFile('secret.zip', 'r') as zipf:
zipf.extractall(".")
def encrypt(self, data: bytes):
# Compress to zip
data = zlib.compress(bytes(data))
cipher = ARC4(self.password).encrypt(data)
encoded = base64.b64encode(cipher)
encoded = encoded.replace(b"=", b"").replace(b"/", b"_").replace(b"+", b"-")
return encoded
def decrypt_segments(self, addr) -> bool:
"""
Attempts to decrypt segments
:return: Whether the decryption was successful
"""
try:
segments_edited = [
(re.sub("{}\.$".format(client_to_serv["RESP"]), "",
i).replace(".", ""))
for i in self.commands_for_clients[addr].segments
]
flattened = bytes("".join(segments_edited), "utf-8")
flattened_replaced = flattened.replace(b"_",
b"/").replace(b"-", b"+")
replaced_padded = flattened_replaced + b"=" * (
(4 - len(flattened_replaced) % 4) % 4)
decoded = base64.b64decode(replaced_padded)
deciphered = ARC4(self.password).decrypt(decoded)
uncompressed = zlib.decompress(deciphered)
self.commands_for_clients[addr].segments = uncompressed.decode(
"utf-8")
except Exception as e:
print("-- Error while processing data from {}: {}".format(addr, e))
return False
return True
def cifrar(request):
form_cifrado = forms.EsteganografiaCifradoForm()
if request.method == 'POST':
form_cifrado = forms.EsteganografiaCifradoForm(request.POST,
request.FILES)
if form_cifrado.is_valid():
datos_imagen = form_cifrado.cleaned_data['imagen']
nombre_imagen = datos_imagen.name
llave_secreta = form_cifrado.cleaned_data['llave_secreta']
mensaje_cifrar = form_cifrado.cleaned_data['mensaje_cifrar']
imagen = Image.open(datos_imagen)
imagen = imagen.convert("RGB")
cifrador = ARC4(llave_secreta)
mensaje_cifrado = cifrador.encrypt(mensaje_cifrar)
mensaje_cifrado = mensaje_cifrado.decode('unicode-escape')
ruta_final = ocultar_texto(mensaje_cifrado, imagen, nombre_imagen)
if os.path.exists(ruta_final):
with open(ruta_final, 'rb') as fh:
response = HttpResponse(fh.read(),
content_type="image/png")
response[
'Content-Disposition'] = 'attachment; filename=' + os.path.basename(
ruta_final)
return response
return redirect('esteganografia', form_cifrado=form_cifrado)
def decrypt_payload(encrypted_blob):
b64_decoded = base64.b64decode(encrypted_blob)
decryption_key = b64_decoded[:0x10] + HARDCODED_SALT
sha1hash = hashlib.sha1()
sha1hash.update(decryption_key)
decryption_key_hash = sha1hash.digest()
rc4 = ARC4(decryption_key_hash)
return rc4.decrypt(b64_decoded[0x10:])
def data_decrypt(data):
"""
Sodinokibi decryption routine
:param data:
:return:
"""
return ARC4(data[0:32]).decrypt(
data[40:40 + struct.unpack('<I', data[36:40])[0] - 1]).decode()
def RC4_crypt(key, buffer):
arc4 = ARC4(key)
result = list(arc4.decrypt(buffer))
string_result = ''
for each in result:
if each != 0:
string_result += chr(each)
return string_result
def decrypt_packet(fname, decompression_rounds=1):
with open(fname, "rb") as binfile:
data = binfile.read()
rc4 = ARC4("FLARE ON 2019\x00")
msg = rc4.decrypt(data[4:])
for i in xrange(decompression_rounds):
msg = lznt1.decompress_data(msg)
return msg
def descifrar(r):
file = open("archivo_prueba_cifrada.txt", "rb")
contenido = ""
plano = ""
arc4 = ARC4(bytes(r))
for x in file:
contenido += str(x)
plano += str(arc4.decrypt(x), "utf-8")
print(x)
print("\nContenido decifrado:", plano)
def arc4_decoder(key):
path = Path('hash_user_information.csv')
buffer = []
with open(path, 'rb') as csvfile:
reader = csv.reader(csvfile, delimiter=',')
data = csvfile.read()
arc4 = ARC4(key)
cipher = arc4.decrypt(data)
buffer.append(str(cipher))
print("расшифруем ", cipher)
np.savetxt("user_information1.csv", buffer, delimiter=", ", fmt='% s')
def __rc4_crypt(self, data: bytes, key: bytes) -> bytes:
"""
Given a data blob and a key blob, perform RC4 encryption/decryption.
Parameters:
data - Binary string representing data to be encrypted/decrypted
key - Binary string representing the key to use
Returns:
binary string representing the encrypted/decrypted data
"""
return ARC4(key).decrypt(data)
def decrypt_resource(res_data):
"""
RC4 Qakbot decryption
:param res_data:
:return:
"""
buffer = ARC4(res_data[0:20]).decrypt(res_data[20:])
if QBOT_HEADER in buffer:
return qbot_decompress(buffer[20:])
return buffer[20:]
def cifrar(r):
file = open("archivo_prueba.txt", "rb")
filecipher = open("archivo_prueba_cifrada.txt", "wb")
contenido = ""
arc4 = ARC4(bytes(r))
for x in file:
contenido += str(x)
cipher = arc4.encrypt(x)
filecipher.write(cipher)
print(x)
print("\nContenido cifrado:", contenido)
def arc4_encoder(key):
path = Path(CONFIG_PATH)
buffer = []
with open(path, newline='') as csvfile:
reader = csv.reader(csvfile, delimiter=',')
for row in reader:
arc4 = ARC4(key)
cipher = arc4.encrypt(str(row))
buffer.append(cipher)
print("шифруем ", cipher)
print(type(cipher))
with open('hash_user_information.csv', "wb") as f:
for i in range(len(buffer)):
f.write(buffer[i])
def fun_que_hace_todo(iteration):
k = Random.get_random_bytes(128) # llave compartida
m = 'Algun mensaje mamalon super secret con hartos valores que superan el numero de bytes de la llave k para que pueda funcionar el supuesto aplicado' # mensaje a compartir
s = Random.get_random_bytes(48) # llave aleatoria
# Se aplica el primer OR entre s|k
bytes_or = apply_OR(s, k)
arc4 = ARC4(k) # Creamos una instancia de RC4 con la llave compartida
# Aplicamos el RC4 al OR sería la parte de RC4(s|k)
cipher = arc4.encrypt(bytes_or)
# Obtenemos la parte RC4(s|k) XOR m
c = apply_XOR(cipher, bytes(m, 'utf-8'))
parejas_sc.append((iteration, c))
# Aplicamos el inverso del XOR
decipher = apply_XOR(cipher, c)
def main():
parser = argparse.ArgumentParser(description='Warzone Config Extractor')
parser.add_argument('-f',
'--file',
action='store',
dest='file',
required=True,
help='Path of Warzone file to unpack')
args = parser.parse_args()
dataRaw, sectionSize = getData(args.file)
key, cipher = getEncodedData(args.file, dataRaw, sectionSize)
arc4 = ARC4(key)
configBlock = (arc4.decrypt(cipher))
config = extractConfig(configBlock)
for k, v in config.items():
print(f"{k}: {v}")
def handle_con(sock, addr):
# 活动目标地址和端口
datalen = struct.unpack('>B', sock.recv(1))[0]
logging.info('datalen %d' % (datalen))
encode_data = sock.recv(datalen)
decode_arc4 = ARC4('niceDayIn2020@998')
data = decode_arc4.decrypt(encode_data)
print(data)
addrLen = struct.unpack('>H', data[0:2])[0]
logging.info('addrLen %d' % (addrLen))
target_addr = data[2:addrLen + 2]
logging.info('target_addr %s' % (target_addr))
target_port = struct.unpack('>H', data[2 + addrLen:addrLen + 4])[0]
logging.info('target_port %d' % (target_port))
addrMd5 = data[4 + addrLen:4 + addrLen + 32]
logging.info('addrMd5 %s' % (addrMd5))
md5 = hashlib.md5()
md5.update(target_addr)
_addrMd5 = md5.hexdigest()
logging.info('_addrMd5 %s' % (_addrMd5))
if addrMd5.decode("utf-8") != _addrMd5:
print(target_addr)
print('addr error')
sock.close()
return
print('addr right')
# logging.info('data length %d' % (datalen[0]))
# target_addr = sock.recv(datalen[0])
# logging.info('target_addr %s' % (target_addr))
# target_port = struct.unpack('>H', sock.recv(2))
# logging.info('target_port %s' % (target_port))
# 拿到 remote address 的信息后，建立连接
try:
remote = socket.create_connection((target_addr, target_port))
logging.info('connecting %s:%d' % (target_addr, target_port))
except socket.error as e:
logging.error(e)
return
handle_tcp(decode_arc4, sock, remote)
def main():
key, cipher_text = resource_load()
print("Decrypting RC4 Encrypted first stage...")
arc4_key = ARC4(key)
string_decrypt = arc4_key.decrypt(cipher_text)
print("Loading Second Stage PE")
with open('second_stage.bin', 'wb') as file_out:
file_out.write(string_decrypt)
string_decrypt = extract_and_dump_second()
print("PNG Payload decrypted! dumping on disk...")
with open('third_stage.bin', 'wb') as file_out:
file_out.write(string_decrypt)
print("Payload dumped! goodbye!")
def main():
pe = pefile.PE(r"C:\Users\User\Desktop\Analysis\Zero2Auto\Lesson 3\Loaders\new_iced_dump.bin")
section_addr = None
for section in pe.sections:
if(".data" in section.Name.decode()):
section_addr = section
break
print("Virtual Location:", hex(section_addr.VirtualAddress))
keys = section_addr.get_data()[0:8]
cipher_text = section_addr.get_data()[8:585]
print("Key:", keys)
print("Decrypting RC4 Encrypted configuration!")
arc4_key = ARC4(keys)
string_decrypt = arc4_key.decrypt(cipher_text)
print(string_decrypt)
def descifrar(request):
form_descifrado = forms.EsteganografiaDescifradoForm()
if request.method == 'POST':
form_descifrado = forms.EsteganografiaDescifradoForm(
request.POST, request.FILES)
if form_descifrado.is_valid():
datos_imagen = form_descifrado.cleaned_data['imagen']
llave_secreta = form_descifrado.cleaned_data['llave_secreta']
imagen = Image.open(datos_imagen)
mensaje_cifrado = leer(imagen)
mensaje_cifrado = mensaje_cifrado.encode(encoding='ISO-8859-1')
cifrador = ARC4(llave_secreta)
try:
mensaje_descifrado = cifrador.decrypt(mensaje_cifrado).decode(
'utf-8')
except:
mensaje_descifrado = cifrador.decrypt(mensaje_cifrado)
return render(request, 'mensaje_revelado.html',
{'mensaje_descifrado': mensaje_descifrado})
return redirect('esteganografia', form_descifrado=form_descifrado)
class random_auth():
key = "AAAAAAAAAAAAAAAA"
arc4 = ARC4(key)
act_connect = "connect"
act_disconnect = "disconnect"
act_list = "list"
tokens = {}
def __init__(self, host, port):
self.host = host
self.port = port
def encrypt(data, hex_decode=False):
if hex_decode:
data = bytes.fromhex(data)
return arc4.decrypt(data)
def connect(self, user, password):
p = remote(self.host, self.port)
p.sendline("connect " + user + ":" + password)
self.tokens[user] = p.recvline().decode()
print(user + " connected.")
def disconnect(self, user):
p = remote(self.host, self.port)
p.sendline("disconnect " + user)
print(p.recvline().decode().strip())
p.close()
def list(self, user):
p = remote(self.host, self.port)
p.sendline("list " + user + ":" + self.tokens[user])
print(p.recvline().decode().strip())
p.close()
def get_info(email):
arc = ARC4(HKEY)
return base64.b64encode(arc.encrypt(email))
#!/usr/bin/env python3
#coding: utf-8
from arc4 import ARC4
KEY = '\x31\xc0\x48\xbb\xd1\x9d\x96\x91\xd0\x8c\x97\xff\x48\xf7\xdb\x53\x54\x5f'
with open('secret.csv', 'r') as f:
content = f.readlines()
for line in content:
line = line.split(':')
if len(line) > 1:
c = ARC4(KEY)
mdp = line[1]
print(line[0] + ':' + c.encrypt(mdp).hex())
from arc4 import ARC4
"""
db 16h, 56h, 0BCh, 86h, 9Eh, 0E1h, 0D1h, 2, 65h, 0C1h
.data:000000018001A9F0 ; DATA XREF: Registry_SetFlag+A5↑o
.data:000000018001A9F0 db 69h, 9Fh, 10h, 0Ah, 0ACh, 0C1h, 0F6h, 0E9h, 0FDh, 0B4h
.data:000000018001A9F0 db 0CDh, 22h, 4Ah, 35h, 9Ch, 12h, 73h, 0BDh, 2Bh, 10h
.data:000000018001A9F0 db 54h, 0B9h, 43h, 0D2h, 13h, 9Ah, 84h, 65h, 0ADh, 0B0h
.data:000000018001A9F0 db 0BFh, 5Ah, 81h, 10h, 4 dup(0)
"""
enc = bytes.fromhex(
"1656BC869EE1D10265C1699F100AACC1F6E9FDB4CD224A359C1273BD2B1054B943D2139A8465ADB0BF5A8110"
)
key = b"H@n $h0t FiRst!"
crypt = ARC4(key)
print(crypt.decrypt(enc))
def newput(self, *args): # 上传文件，具有断点续传功能
cmd_split = args[0].split()
tag = cmd_split[-1] # tag：r代表续传，o代表覆盖，放在最后一位
if tag not in ('o', 'r'):
tag = 'unknown'
# print(cmd_split,tag)
if len(cmd_split) > 1:
filename = cmd_split[1]
filepath = os.path.join(settings.download_dir, filename)
if os.path.isfile(filepath):
filesize = os.path.getsize(filepath) # 法1
# filesize = os.stat(filepath).st_size # 法2
# 直接调用系统命令取得MD5值，如果使用hashlib，需要写open打开文件-》read读取文件（可能文件大会很耗时）-》m.update计算三部，代码量更多，效率也低
# filemd5 = os.popen('md5sum %s' % filepath).read().split()[0]
filemd5 = 'a' # Windows测试
msg = {
"action": 'newput',
"filename": filename,
"filesize": filesize,
"filemd5": filemd5,
"tag": tag
}
# logging.info(msg)
self.client.send(json.dumps(msg).encode('utf-8')) # 发送msg
server_response1 = self.client.recv(
1024).decode() # 接收文件存在或者文件不存在
# logging.info(server_response)
#print(server_response1)
if server_response1 == '文件存在': # 再确认一遍tag
if tag == 'unknown':
tag = input('文件已存在，要覆盖文件请输入o，要断点续传请输入r >>>:').strip()
if tag not in ('o', 'r'):
tag = 'unknown'
else: # 文件不存在时
tag = 'o'
self.client.send(tag.encode())
server_response2 = json.loads(
self.client.recv(1024).decode('utf-8'))
# print('server_response2:', server_response2)
content = server_response2['content']
if tag == 'o' or tag == 'r':
if content == 'begin':
position = server_response2['position']
print(position)
f = open(filepath, 'rb')
f.seek(position, 0)
send_size = position
key = getpass.getpass("请输入上传存储此文件的密码>>>:").strip()
key = hashmd5(key)[5:-5] + key
rc4_ = ARC4(key)
rc4_.encrypt(os.urandom(position))
for line in f:
line = rc4_.encrypt(line)
self.client.send(line)
send_size += len(line)
processbar(send_size, filesize)
else:
print('\n', "file uploaded successfully")
f.close()
server_response3 = self.client.recv(1024).decode(
'utf-8') # 服务端对比md5后发送是否成功接收文件，成功或失败
#print(server_response3)
else:
print(content) # content:服务器已存在同名文件 或。。。
else:
print(content) # content:文件未上传
else:
print(filename, 'is not exist')
else:
self.help()
def sktSend(self, data):
arc4 = ARC4(self.password)
self.sock.send(struct.pack("<H", len(data)) + arc4.encrypt(data))
self.busy = True
print "Processing - Making remaining string base64 complient..."
chunkNumber, chunkData = message.split('.', 1)
chunkNumber = int(chunkNumber) # We have only one chunk with index 0
dataChunks = []
dataChunks.append(chunkData.replace(".", ""))
filedata = ''.join(dataChunks)
filedata = filedata.replace("_", "/").replace("-", "+")
filedata += "=" * ((4 - len(filedata) % 4) % 4)
filedata = bytearray(filedata, 'utf-8')
print "Processing - Undertaking base64 decode..."
filedata = base64.urlsafe_b64decode(filedata)
print "Processing - Undertaking RC4 decode..."
arc4 = ARC4(password)
filedata = arc4.decrypt(filedata)
print "Processing - Saving data to zipfile..."
with open("./secret.zip", 'w') as fileHandle:
fileHandle.write(filedata)
fileHandle.close()
print "Processing - Opening zip file and reading data..."
os.system("unzip secret.zip > F1.txt")
readline = open(filename).readline().rstrip()
print "Processing - Tidying up system files...\n"
os.system("rm F1.txt")
os.system("rm secret.zip")
os.system("rm secret.txt")
for i in range(0, 2):
try:
hdr_idx = contents.index(b'IDAT', hdr_idx)
except ValueError:
# Get value error when cant find another header - so were finished
print("Finished processing file.")
break
print("Found IDAT at " + str(hdr_idx))
section_length = int.from_bytes(contents[hdr_idx - 4:hdr_idx],
byteorder='big')
pt_hash = int.from_bytes(contents[hdr_idx + 4:hdr_idx + 8],
byteorder='little')
key_len = int(contents[hdr_idx + 8])
print(f"\tSection length: {section_length}")
print(f"\tKey length: {key_len}")
print(f"\tHash in image: {pt_hash}")
key = contents[hdr_idx + 9:hdr_idx + 9 + key_len]
print(key)
arc4 = ARC4(key)
plaintext = arc4.decrypt(contents[hdr_idx + 9 + key_len:hdr_idx + 9 +
section_length - 5])
h = calc_hash(plaintext)
if h == pt_hash:
print("Hash checks out")
with open(args.output, 'wb') as output_file:
output_file.write(plaintext)