使用Python脚本扫描网站子域名及漏洞

scanner.py

#!/usr/bin/env python3
"""
域名漏洞扫描脚本
功能：子域名枚举、端口扫描、服务识别、常见漏洞检测
"""

import requests
import socket
import threading
import subprocess
import json
import time
from urllib.parse import urljoin
import dns.resolver
import ssl
import argparse
from concurrent.futures import ThreadPoolExecutor


class DomainVulnerabilityScanner:
    def __init__(self, domain, threads=50):
        self.domain = domain
        self.threads = threads
        self.results = {
            'domain': domain,
            'subdomains': [],
            'open_ports': [],
            'vulnerabilities': [],
            'services': [],
            'ssl_info': {}
        }

    def subdomain_enumeration(self):
        """子域名枚举"""
        print(f"[+] 开始子域名枚举: {self.domain}")

        # 常见子域名列表
        common_subdomains = [
            'www', 'mail', 'ftp', 'localhost', 'webmail', 'smtp', 'pop', 'ns1', 'webdisk',
            'ns2', 'cpanel', 'whm', 'autodiscover', 'autoconfig', 'm', 'imap', 'test',
            'blog', 'pop3', 'dev', 'www2', 'admin', 'forum', 'news', 'vpn', 'ns3', 'mail2',
            'new', 'mysql', 'old', 'lists', 'support', 'mobile', 'mx', 'static', 'docs',
            'beta', 'shop', 'sql', 'secure', 'demo', 'cp', 'calendar', 'wiki', 'api',
            'media', 'email', 'images', 'img', 'www1', 'intranet', 'portal', 'video',
            'search', 'cdn', 'remote', 'db', 'forums', 'store', 'relay', 'files',
            'newsletter', 'app', 'apps', 'download', 'uploads', 'dns', 'ns4', 'sftp'
        ]

        found_subdomains = []

        def check_subdomain(subdomain):
            full_domain = f"{subdomain}.{self.domain}"
            try:
                socket.gethostbyname(full_domain)
                found_subdomains.append(full_domain)
                print(f"  [+] 发现子域名: {full_domain}")
            except socket.gaierror:
                pass

        with ThreadPoolExecutor(max_workers=self.threads) as executor:
            executor.map(check_subdomain, common_subdomains)

        self.results['subdomains'] = found_subdomains
        return found_subdomains

    def port_scan(self, host, ports=None):
        """端口扫描"""
        if ports is None:
            ports = [21, 22, 23, 25, 53, 80, 110, 443, 993, 995, 1433, 1521, 3306, 3389, 5432, 5900, 6379, 27017]

        open_ports = []

        def scan_port(port):
            try:
                sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                sock.settimeout(3)
                result = sock.connect_ex((host, port))
                sock.close()
                if result == 0:
                    service = self.get_service_name(port)
                    open_ports.append({'port': port, 'service': service})
                    print(f"  [+] {host}:{port} 开放 - {service}")
            except Exception:
                pass

        print(f"[+] 开始端口扫描: {host}")
        with ThreadPoolExecutor(max_workers=self.threads) as executor:
            executor.map(scan_port, ports)

        return open_ports

    def get_service_name(self, port):
        """获取服务名称"""
        service_map = {
            21: 'FTP', 22: 'SSH', 23: 'Telnet', 25: 'SMTP', 53: 'DNS',
            80: 'HTTP', 110: 'POP3', 443: 'HTTPS', 993: 'IMAPS',
            995: 'POP3S', 1433: 'MSSQL', 1521: 'Oracle', 3306: 'MySQL',
            3389: 'RDP', 5432: 'PostgreSQL', 5900: 'VNC', 6379: 'Redis',
            27017: 'MongoDB'
        }
        return service_map.get(port, 'Unknown')

    def check_ssl_vulnerabilities(self, host):
        """检查SSL/TLS漏洞"""
        print(f"[+] 检查SSL/TLS配置: {host}")

        try:
            context = ssl.create_default_context()
            with socket.create_connection((host, 443), timeout=5) as sock:
                with context.wrap_socket(sock, server_hostname=host) as ssock:
                    cert = ssock.getpeercert()
                    cipher = ssock.cipher()

                    ssl_info = {
                        'subject': dict(x[0] for x in cert['subject']),
                        'issuer': dict(x[0] for x in cert['issuer']),
                        'not_before': cert['notBefore'],
                        'not_after': cert['notAfter'],
                        'cipher': cipher
                    }

                    self.results['ssl_info'] = ssl_info

                    # 检查证书过期
                    import datetime
                    expire_date = datetime.datetime.strptime(cert['notAfter'], '%b %d %H:%M:%S %Y %Z')
                    if expire_date < datetime.datetime.now():
                        self.results['vulnerabilities'].append({
                            'type': 'SSL',
                            'severity': 'HIGH',
                            'description': 'SSL证书已过期',
                            'host': host
                        })

                    print(f"  [+] SSL信息: {ssl_info}")

        except Exception as e:
            print(f"  [-] SSL检查失败: {e}")

    def web_vulnerability_scan(self, url):
        """Web应用漏洞扫描"""
        print(f"[+] Web漏洞扫描: {url}")

        vulnerabilities = []

        # 检查常见安全头
        try:
            response = requests.get(url, timeout=10, verify=False)
            headers = response.headers

            security_headers = {
                'X-Frame-Options': '点击劫持保护',
                'X-Content-Type-Options': 'MIME类型嗅探保护',
                'X-XSS-Protection': 'XSS保护',
                'Strict-Transport-Security': 'HSTS',
                'Content-Security-Policy': '内容安全策略'
            }

            for header, description in security_headers.items():
                if header not in headers:
                    vulnerabilities.append({
                        'type': 'WEB',
                        'severity': 'MEDIUM',
                        'description': f'缺少安全头: {header} - {description}',
                        'url': url
                    })

        except Exception as e:
            print(f"  [-] Web扫描失败: {e}")

        return vulnerabilities

    def run_full_scan(self):
        """执行完整扫描"""
        print(f"[*] 开始对 {self.domain} 进行漏洞扫描")
        start_time = time.time()

        # 子域名枚举
        subdomains = self.subdomain_enumeration()

        # 扫描主域名
        targets = [self.domain] + subdomains

        for target in targets:
            # 端口扫描
            open_ports = self.port_scan(target)
            self.results['open_ports'].extend(open_ports)

            # SSL检查
            if any(port['port'] == 443 for port in open_ports):
                self.check_ssl_vulnerabilities(target)

            # Web漏洞扫描
            for port_info in open_ports:
                if port_info['port'] in [80, 443, 8080, 8443]:
                    scheme = 'https' if port_info['port'] in [443, 8443] else 'http'
                    url = f"{scheme}://{target}:{port_info['port']}"
                    web_vulns = self.web_vulnerability_scan(url)
                    self.results['vulnerabilities'].extend(web_vulns)

        # 生成报告
        self.generate_report()

        end_time = time.time()
        print(f"\n[*] 扫描完成! 用时: {end_time - start_time:.2f}秒")

        return self.results

    def generate_report(self):
        """生成扫描报告"""
        report = f"""
域名漏洞扫描报告
================

目标域名: {self.results['domain']}
扫描时间: {time.strftime('%Y-%m-%d %H:%M:%S')}

发现子域名 ({len(self.results['subdomains'])}个):
{chr(10).join(['  - ' + sub for sub in self.results['subdomains']])}

开放端口:
{chr(10).join([f"  - {item['host'] if 'host' in item else self.domain}:{item['port']} ({item['service']})" for item in self.results['open_ports']])}

发现漏洞 ({len(self.results['vulnerabilities'])}个):
"""

        for i, vuln in enumerate(self.results['vulnerabilities'], 1):
            report += f"""
{i}. 类型: {vuln['type']}
   严重性: {vuln['severity']}
   描述: {vuln['description']}
   目标: {vuln.get('host', vuln.get('url', 'N/A'))}
"""

        # 保存报告
        filename = f"scan_report_{self.domain}_{int(time.time())}.txt"
        with open(filename, 'w', encoding='utf-8') as f:
            f.write(report)

        print(f"[+] 报告已保存至: {filename}")

        return report


def main():
    parser = argparse.ArgumentParser(description='域名漏洞扫描器')
    parser.add_argument('domain', help='要扫描的域名')
    parser.add_argument('-t', '--threads', type=int, default=50, help='线程数 (默认: 50)')

    args = parser.parse_args()

    scanner = DomainVulnerabilityScanner(args.domain, args.threads)
    results = scanner.run_full_scan()

    # 输出摘要
    print(f"\n{'=' * 50}")
    print("扫描摘要:")
    print(f"子域名: {len(results['subdomains'])}个")
    print(f"开放端口: {len(results['open_ports'])}个")
    print(f"发现漏洞: {len(results['vulnerabilities'])}个")
    print(f"{'=' * 50}")


if __name__ == "__main__":
    main()

扫描效果：