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SKILL.md

analyzing-malicious-url-with-urlscan

Agent skill frommukul975/Anthropic-Cybersecurity-Skills

URLScan.io is a free service for scanning and analyzing suspicious URLs.

How to install analyzing-malicious-url-with-urlscan

install analyzing-malicious-url-with-urlscan
# install the Anthropic-Cybersecurity-Skills pack with the skills CLI
npx skills add mukul975/Anthropic-Cybersecurity-Skills

# or add only this skill to Claude Code: copy the folder

skills/analyzing-malicious-url-with-urlscan/

# into

~/.claude/skills/analyzing-malicious-url-with-urlscan/ (all projects)

.claude/skills/analyzing-malicious-url-with-urlscan/ (one project)

skills/analyzing-malicious-url-with-urlscan/SKILL.md

Apache-2.0Full file
1# Analyzing Malicious URL with URLScan
2
3## Overview
4URLScan.io is a free service for scanning and analyzing suspicious URLs. It captures screenshots, DOM content, HTTP transactions, JavaScript behavior, and network connections of web pages in an isolated environment. This skill covers using URLScan's web interface and API to investigate phishing URLs, credential harvesting pages, and malicious redirects without exposing the analyst's system to risk.
5
6
7## When to Use
8
9- When investigating security incidents that require analyzing malicious url with urlscan
10- When building detection rules or threat hunting queries for this domain
11- When SOC analysts need structured procedures for this analysis type
12- When validating security monitoring coverage for related attack techniques
13
14## Prerequisites
15- URLScan.io account (free tier available, API key for automation)
16- Python 3.8+ with requests library
17- Understanding of HTTP protocols and web technologies
18- Familiarity with phishing URL patterns
19
20## Key Concepts
21
22### URLScan Capabilities
231. **Safe browsing**: Renders URLs in isolated Chromium instance
242. **Screenshot capture**: Visual snapshot of the rendered page
253. **DOM analysis**: Full HTML content after JavaScript execution
264. **Network log**: All HTTP requests made by the page (HAR format)
275. **Certificate analysis**: SSL/TLS certificate details
286. **Technology detection**: Identifies web frameworks and libraries
297. **IP/ASN mapping**: Infrastructure intelligence
30…

Excerpt shown under the repository's Apache-2.0 license.

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