Stealth Browser

Stealth Browser Automation

Silent, undetectable web automation combining multiple anti-detection layers.

Quick Login Workflow (IMPORTANT)

When user asks to login to any website:

1. Open in headed mode (visible browser for manual login):

python scripts/stealth_session.py -u "https://target.com/login" -s sitename --headed

2. User logs in manually in the visible browser

3. Save session after login confirmed:

python scripts/stealth_session.py -u "https://target.com" -s sitename --headed --save

4. Future use - load saved session (headless):

python scripts/stealth_session.py -u "https://target.com" -s sitename --load

Sessions stored in: ~/.clawdbot/browser-sessions/<sitename>.json

执行策略 (IMPORTANT)

1. 先静默后显示

• 优先使用 headless 模式静默尝试
• 如果失败或需要验证码，再切换到 headed 显示模式
• 避免打扰用户操作

2. 断点续传

长任务使用 task_runner.py 管理状态：

from task_runner import TaskRunner
task = TaskRunner('my_task')
task.set_total(100)
for i in items:
    if task.is_completed(i):
        continue  # 跳过已完成
    # 处理...
    task.mark_completed(i)
task.finish()

3. 超时处理

• 默认单页超时: 30秒
• 长任务每50项保存一次进度
• 失败自动重试3次

4. 记录尝试

所有登录尝试记录在: ~/.clawdbot/browser-sessions/attempts.json

Architecture

┌─────────────────────────────────────────────────────┐
│                  Stealth Browser                     │
├─────────────────────────────────────────────────────┤
│  Layer 1: Anti-Detection Engine                      │
│  - puppeteer-extra-plugin-stealth                   │
│  - Browser fingerprint spoofing                     │
│  - WebGL/Canvas/Audio fingerprint masking           │
├─────────────────────────────────────────────────────┤
│  Layer 2: Challenge Bypass                          │
│  - Cloudflare Turnstile/JS Challenge               │
│  - hCaptcha / reCAPTCHA integration                │
│  - 2Captcha / Anti-Captcha API                     │
├─────────────────────────────────────────────────────┤
│  Layer 3: Session Persistence                       │
│  - Cookie storage (JSON/SQLite)                    │
│  - localStorage sync                               │
│  - Multi-profile management                        │
├─────────────────────────────────────────────────────┤
│  Layer 4: Proxy & Identity                         │
│  - Rotating residential proxies                    │
│  - User-Agent rotation                             │
│  - Timezone/Locale spoofing                        │
└─────────────────────────────────────────────────────┘

Setup

Install Core Dependencies

npm install -g puppeteer-extra puppeteer-extra-plugin-stealth
npm install -g playwright
pip install undetected-chromedriver DrissionPage

Optional: CAPTCHA Solvers

Store API keys in ~/.clawdbot/secrets/captcha.json:

{
  "2captcha": "YOUR_2CAPTCHA_KEY",
  "anticaptcha": "YOUR_ANTICAPTCHA_KEY",
  "capsolver": "YOUR_CAPSOLVER_KEY"
}

Optional: Proxy Configuration

Store in ~/.clawdbot/secrets/proxies.json:

{
  "rotating": "http://user:pass@proxy.provider.com:port",
  "residential": ["socks5://ip1:port", "socks5://ip2:port"],
  "datacenter": "http://dc-proxy:port"
}

Quick Start

1. Stealth Session (Python - Recommended)

# scripts/stealth_session.py - use for maximum compatibility
import undetected_chromedriver as uc
from DrissionPage import ChromiumPage

# Option A: undetected-chromedriver (Selenium-based)
driver = uc.Chrome(headless=True, use_subprocess=True)
driver.get("https://nowsecure.nl")  # Test anti-detection

# Option B: DrissionPage (faster, native Python)
page = ChromiumPage()
page.get("https://cloudflare-protected-site.com")

2. Stealth Session (Node.js)

// scripts/stealth.mjs
import puppeteer from 'puppeteer-extra';
import StealthPlugin from 'puppeteer-extra-plugin-stealth';

puppeteer.use(StealthPlugin());

const browser = await puppeteer.launch({
  headless: 'new',
  args: [
    '--disable-blink-features=AutomationControlled',
    '--disable-dev-shm-usage',
    '--no-sandbox'
  ]
});

const page = await browser.newPage();
await page.goto('https://bot.sannysoft.com'); // Verify stealth

Core Operations

Open Stealth Page

# Using agent-browser with stealth profile
agent-browser --profile ~/.stealth-profile open https://target.com

# Or via script
python scripts/stealth_open.py --url "https://target.com" --headless

Bypass Cloudflare

# Automatic CF bypass with DrissionPage
from DrissionPage import ChromiumPage

page = ChromiumPage()
page.get("https://cloudflare-site.com")
# DrissionPage waits for CF challenge automatically

# Manual wait if needed
page.wait.ele_displayed("main-content", timeout=30)

For stubborn Cloudflare sites, use FlareSolverr:

# Start FlareSolverr container
docker run -d --name flaresolverr -p 8191:8191 ghcr.io/flaresolverr/flaresolverr

# Request clearance
curl -X POST http://localhost:8191/v1 \
  -H "Content-Type: application/json" \
  -d '{"cmd":"request.get","url":"https://cf-protected.com","maxTimeout":60000}'

Solve CAPTCHAs

# scripts/solve_captcha.py
import requests
import json
import time

def solve_recaptcha(site_key, page_url, api_key):
    """Solve reCAPTCHA v2/v3 via 2Captcha"""
    # Submit task
    resp = requests.post("http://2captcha.com/in.php", data={
        "key": api_key,
        "method": "userrecaptcha",
        "googlekey": site_key,
        "pageurl": page_url,
        "json": 1
    }).json()
    
    task_id = resp["request"]
    
    # Poll for result
    for _ in range(60):
        time.sleep(3)
        result = requests.get(f"http://2captcha.com/res.php?key={api_key}&action=get&id={task_id}&json=1").json()
        if result["status"] == 1:
            return result["request"]  # Token
    return None

def solve_hcaptcha(site_key, page_url, api_key):
    """Solve hCaptcha via Anti-Captcha"""
    resp = requests.post("https://api.anti-captcha.com/createTask", json={
        "clientKey": api_key,
        "task": {
            "type": "HCaptchaTaskProxyless",
            "websiteURL": page_url,
            "websiteKey": site_key
        }
    }).json()
    
    task_id = resp["taskId"]
    
    for _ in range(60):
        time.sleep(3)
        result = requests.post("https://api.anti-captcha.com/getTaskResult", json={
            "clientKey": api_key,
            "taskId": task_id
        }).json()
        if result["status"] == "ready":
            return result["solution"]["gRecaptchaResponse"]
    return None

Persistent Sessions

# scripts/session_manager.py
import json
import os
from pathlib import Path

SESSIONS_DIR = Path.home() / ".clawdbot" / "browser-sessions"
SESSIONS_DIR.mkdir(parents=True, exist_ok=True)

def save_cookies(driver, session_name):
    """Save cookies to JSON"""
    cookies = driver.get_cookies()
    path = SESSIONS_DIR / f"{session_name}_cookies.json"
    path.write_text(json.dumps(cookies, indent=2))
    return path

def load_cookies(driver, session_name):
    """Load cookies from saved session"""
    path = SESSIONS_DIR / f"{session_name}_cookies.json"
    if path.exists():
        cookies = json.loads(path.read_text())
        for cookie in cookies:
            driver.add_cookie(cookie)
        return True
    return False

def save_local_storage(page, session_name):
    """Save localStorage"""
    ls = page.evaluate("() => JSON.stringify(localStorage)")
    path = SESSIONS_DIR / f"{session_name}_localStorage.json"
    path.write_text(ls)
    return path

def load_local_storage(page, session_name):
    """Restore localStorage"""
    path = SESSIONS_DIR / f"{session_name}_localStorage.json"
    if path.exists():
        data = path.read_text()
        page.evaluate(f"(data) => {{ Object.entries(JSON.parse(data)).forEach(([k,v]) => localStorage.setItem(k,v)) }}", data)
        return True
    return False

Silent Automation Workflow

# Complete silent automation example
from DrissionPage import ChromiumPage, ChromiumOptions

# Configure for stealth
options = ChromiumOptions()
options.headless()
options.set_argument('--disable-blink-features=AutomationControlled')
options.set_argument('--disable-dev-shm-usage')
options.set_user_agent('Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36')

page = ChromiumPage(options)

# Navigate with CF bypass
page.get("https://target-site.com")

# Wait for any challenges
page.wait.doc_loaded()

# Interact silently
page.ele("@id=username").input("user@email.com")
page.ele("@id=password").input("password123")
page.ele("@type=submit").click()

# Save session for reuse
page.cookies.save("~/.clawdbot/browser-sessions/target-site.json")

Proxy Rotation

# scripts/proxy_rotate.py
import random
import json
from pathlib import Path

def get_proxy():
    """Get random proxy from pool"""
    config = json.loads((Path.home() / ".clawdbot/secrets/proxies.json").read_text())
    proxies = config.get("residential", [])
    return random.choice(proxies) if proxies else config.get("rotating")

# Use with DrissionPage
options = ChromiumOptions()
options.set_proxy(get_proxy())
page = ChromiumPage(options)

User Input Required

To complete this skill, provide:

1. CAPTCHA API Keys (optional but recommended):

   • 2Captcha key: https://2captcha.com
   • Anti-Captcha key: https://anti-captcha.com
   • CapSolver key: https://capsolver.com

2. Proxy Configuration (optional):

   • Residential proxy provider credentials
   • Or list of SOCKS5/HTTP proxies

3. Target Sites (for pre-configured sessions):

   • Which sites need login persistence?
   • What credentials should be stored?

Files Structure

stealth-browser/
├── SKILL.md
├── scripts/
│   ├── stealth_session.py      # Main stealth browser wrapper
│   ├── solve_captcha.py        # CAPTCHA solving utilities
│   ├── session_manager.py      # Cookie/localStorage persistence
│   ├── proxy_rotate.py         # Proxy rotation
│   └── cf_bypass.py            # Cloudflare-specific bypass
└── references/
    ├── fingerprints.md         # Browser fingerprint details
    └── detection-tests.md      # Sites to test anti-detection

Testing Anti-Detection

# Run these to verify stealth is working:
python scripts/stealth_open.py --url "https://bot.sannysoft.com"
python scripts/stealth_open.py --url "https://nowsecure.nl"
python scripts/stealth_open.py --url "https://arh.antoinevastel.com/bots/areyouheadless"
python scripts/stealth_open.py --url "https://pixelscan.net"

Integration with agent-browser

For simple tasks, use agent-browser with a persistent profile:

# Create stealth profile once
agent-browser --profile ~/.stealth-profile --headed open https://login-site.com
# Login manually, then close

# Reuse authenticated session (headless)
agent-browser --profile ~/.stealth-profile snapshot
agent-browser --profile ~/.stealth-profile click @e5

For Cloudflare or CAPTCHA-heavy sites, use Python scripts instead.

Best Practices

1. Always use headless: 'new' not headless: true (less detectable)
2. Rotate User-Agents matching browser version
3. Add random delays between actions (100-500ms)
4. Use residential proxies for sensitive targets
5. Save sessions after successful login
6. Test on bot.sannysoft.com before production use