11. 初始请求 --> [CF边缘节点]
22. 轻量检测 --> [JS挑战/Cookie检查]
3   ↓ (不通过)
43. 深度验证 --> [CAPTCHA/5秒盾]
5   ↓ (仍可疑)
64. 拦截页面 --> [错误1020/1015]
7
8

1// 在浏览器控制台检查WebGL指纹
2const canvas = document.createElement('canvas');
3const gl = canvas.getContext('webgl');
4console.log(gl.getParameter(gl.VENDOR));
5
6

1# 修改MTU值(需要管理员权限)
2netsh interface ipv4 set subinterface "Ethernet" mtu=1460 store=persistent
3
4# 禁用TCP时间戳(可能影响NAT)
5reg add HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters /v Tcp1323Opts /t REG_DWORD /d 0 /f
6
7

1https://1.1.1.1/dns-query
2https://8.8.8.8/dns-query
3
4

1# Linux示例
2sudo resolvectl dns eth0 1.1.1.1 8.8.8.8 9.9.9.9
3
4

1import undetected_chromedriver as uc
2from selenium.webdriver.common.action_chains import ActionChains
3import random
4import time
5
6def setup_driver():
7    options = uc.ChromeOptions()
8    
9    # 指纹配置
10    options.add_argument("--disable-blink-features=AutomationControlled")
11    options.add_argument(f"--user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/{random.randint(90,105)}.0.0.0 Safari/537.36")
12    
13    # 网络模拟
14    options.add_argument("--proxy-server=http://住宅代理IP:端口")
15    
16    driver = uc.Chrome(options=options)
17    
18    # 覆盖webdriver属性
19    driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
20        "source": """
21        Object.defineProperty(navigator, 'webdriver', {
22            get: () => undefined
23        })
24        """
25    })
26    
27    return driver
28
29def human_like_interaction(driver, url):
30    driver.get(url)
31    
32    # 随机鼠标移动
33    action = ActionChains(driver)
34    for _ in range(random.randint(3,7)):
35        x_offset = random.randint(-50, 50)
36        y_offset = random.randint(-50, 50)
37        action.move_by_offset(x_offset, y_offset).perform()
38        time.sleep(random.uniform(0.2, 1.5))
39    
40    # 模拟滚动
41    scroll_pixels = random.randint(200, 800)
42    driver.execute_script(f"window.scrollBy(0, {scroll_pixels})")
43    
44    # 随机暂停
45    time.sleep(random.uniform(1, 3))
46    
47    return driver.page_source
48
49

1from curl_cffi import requests
2
3# 模拟Chrome的TLS指纹
4response = requests.get(
5    "https://target.com",
6    impersonate="chrome110",
7    headers={
8        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
9        "Accept-Language": "en-US,en;q=0.5",
10    }
11)
12
13

1[负载均衡器]
2   ↓
3[IP池管理] → 住宅IP(60%) + 移动IP(30%) + 机房IP(10%)
4   ↓
5[指纹管理] → Chrome(70%) + Firefox(20%) + Safari(10%)
6   ↓
7[行为模拟引擎] → 人类鼠标轨迹库 + 停留时间模型
8   ↓
9[异常处理] → 自动验证码识别 + 失败重试机制
10
11

1# 使用OpenCV预处理CAPTCHA
2import cv2
3
4def preprocess_captcha(image_path):
5    img = cv2.imread(image_path)
6    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
7    _, thresh = cv2.threshold(gray, 150, 255, cv2.THRESH_BINARY_INV)
8    kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (3,3))
9    cleaned = cv2.morphologyEx(thresh, cv2.MORPH_CLOSE, kernel)
10    return cleaned
11
12

1POST /cdn-cgi/challenge-platform/h/b/turnstile/verify HTTP/1.1
2Host: challenge.cloudflare.com
3Content-Type: application/json
4
5{
6  "id": "widget-id",
7  "response": "generated-token",
8  "secret": "optional-secret-key"
9}
10
11

1class CFDefenseDetector:
2    def __init__(self):
3        self.cf_patterns = [
4            r"cloudflare.*ray?id=",
5            r"cdn-cgi/challenge-platform/",
6            r"__cf_chl_managed="
7        ]
8    
9    def is_cf_blocked(self, html):
10        return any(re.search(p, html, re.I) for p in self.cf_patterns)
11
12