Install
$ agentstack add skill-killvxk-cybersecurity-skills-zh-analyzing-malicious-url-with-urlscan ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
使用 URLScan 分析恶意 URL
概述
URLScan.io 是一项用于扫描和分析可疑 URL 的免费服务,可在隔离环境中捕获网页的截图、DOM 内容、HTTP 事务、JavaScript 行为和网络连接。本 skill 涵盖使用 URLScan 的 Web 界面和 API 调查钓鱼(phishing)URL、凭据收割页面和恶意重定向,而无需将分析师的系统暴露于风险中。
前置条件
- URLScan.io 账号(提供免费层级,自动化操作需要 API key)
- Python 3.8+ 及 requests 库
- 了解 HTTP 协议和 Web 技术
- 熟悉钓鱼 URL 模式
核心概念
URLScan 功能
- 安全浏览:在隔离的 Chromium 实例中渲染 URL
- 截图捕获:渲染页面的可视快照
- DOM 分析:JavaScript 执行后的完整 HTML 内容
- 网络日志:页面发出的所有 HTTP 请求(HAR 格式)
- 证书分析:SSL/TLS 证书详情
- 技术检测:识别 Web 框架和库
- IP/ASN 映射:基础设施情报
- 裁决(Verdict):社区和自动化分类
钓鱼 URL 危险信号
- 新注册域名(< 30 天)
- 免费托管服务(Wix、GitHub Pages、Firebase)
- 隐藏最终目标的 URL 短链接
- 过多的子域名层级(login.microsoft.com.evil.com)
- 品牌名在子域或路径中,而非在域名中
- 非标准端口
- Data URI 或 Base64 编码内容
- JavaScript 密集、HTML 极少的页面
实施步骤
步骤 1:向 URLScan 提交 URL
Web:访问 https://urlscan.io 并提交可疑 URL
API:POST https://urlscan.io/api/v1/scan/
Header: API-Key: your-api-key
Body: {"url": "https://suspicious-url.com", "visibility": "private"}
步骤 2:分析结果
- 查看截图中的品牌仿冒(brand impersonation)情况
- 检查重定向和最终目标 URL
- 检查 DOM 中的凭据输入表单
- 审查网络请求中的数据外泄端点
- 检查 SSL 证书有效性和签发者
步骤 3:提取 IOC(失陷指标)
- 已联系的域名和 IP
- 重定向链中的 URL
- 页面资源的 SHA-256 哈希
- JavaScript 文件哈希
步骤 4:与威胁情报交叉比对
使用 scripts/process.py 自动化 URL 扫描、提取 IOC,并与 VirusTotal、PhishTank 和 Google Safe Browsing 交叉比对。
工具与资源
- URLScan.io:https://urlscan.io/
- URLScan API:https://urlscan.io/docs/api/
- VirusTotal URL 扫描器:https://www.virustotal.com/
- PhishTank:https://phishtank.org/
- Google Safe Browsing:https://transparencyreport.google.com/safe-browsing/search
- Any.Run:https://any.run/(交互式沙箱)
- Hybrid Analysis:https://www.hybrid-analysis.com/
验证
- 通过 API 成功扫描可疑 URL
- 提取截图并识别品牌仿冒
- 记录完整重定向链
- 从扫描结果生成 IOC 列表
- 将发现与至少 2 个威胁情报来源交叉比对
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: killvxk
- Source: killvxk/cybersecurity-skills-zh
- License: Apache-2.0
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.