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+## 🧪 Shodan Exploration Lab: "The Search Engine for Hackers"
+
+### 🧭 **Lab Objective**
+Learn how to use [Shodan.io](https://shodan.io/) for discovering exposed devices, services, vulnerabilities, and misconfigurations across the internet.
+
+---
+
+## 🧰 **Pre-requisites**
+- A Shodan account (free or student-licensed)
+- Browser access to [https://shodan.io](https://shodan.io)
+- Optional: Shodan CLI (`pip install shodan`) + API Key
+
+---
+
+## 🧠 Learning Outcomes
+By the end of this lab, students will be able to:
+1. Perform basic and advanced Shodan searches
+2. Identify open ports and services
+3. Discover insecure IoT devices
+4. Use filters to narrow down results
+5. Understand the ethical implications of scanning exposed systems
+
+---
+
+## 🔬 Lab Sections
+
+### ✅ Part 1: Shodan Basics – "First Contact"
+1. Go to [https://shodan.io](https://shodan.io) and create/login to your account.
+2. Search for the following:
+   - `apache`
+   - `nginx`
+   - `ftp`
+3. Record:
+   - Number of results
+   - Countries with the most instances
+   - Common open ports
+
+📝 **Task:** What do the results tell you about global web server deployment?
+
+---
+
+### ✅ Part 2: Discovering Devices – "What's Exposed?"
+Try the following queries:
+- `port:22 country:"US"`
+- `default password`
+- `webcamxp`
+- `product:"GoAhead-Webs"`
+- `org:"Amazon.com"`
+
+📝 **Task:** Choose one result and analyze the metadata (IP, ISP, location, OS, open ports, banner info). Does anything appear insecure?
+
+---
+
+### ✅ Part 3: Filter Power – "Precision Hacking (Legally)"
+Use filters like:
+- `org:` – filter by company/ISP
+- `os:` – filter by OS
+- `product:` – filter by product name
+- `after:` – to narrow down by crawl date
+
+Try:
+- `apache country:"IN" port:80 after:"2024-01-01"`
+- `ssh os:"Linux" port:22`
+
+📝 **Task:** How do filters help narrow down results for targeted reconnaissance?
+
+---
+
+### ✅ Part 4: CVEs & Vulnerability Search – "Exposure Analytics"
+Search for:
+- `vuln:CVE-2021-44228` (Log4Shell)
+- `vuln:CVE-2017-5638` (Apache Struts)
+
+📝 **Task:** What kind of devices are still vulnerable? Discuss why some vulnerabilities stay unpatched.
+
+---
+
+### ✅ Part 5: Shodan Maps and Reports (Optional)
+- Explore [https://exploits.shodan.io](https://exploits.shodan.io) and [https://maps.shodan.io](https://maps.shodan.io)
+- See real-time exposed devices
+- Create a saved search and export a report
+
+📝 **Task:** What industries or device types show up most in your search? Why?
+
+---
+
+## 🚨 Ethics and Guidelines
+- **DO NOT** attempt to connect, log in, or exploit discovered systems.
+- Shodan is a reconnaissance tool; accessing systems without permission is **illegal and unethical**.
+- This lab is for **educational** and **defensive** awareness only.
+
+---
+
+## 🎯 Final Challenge
+Your company asks you to investigate if their infrastructure is exposed. Choose a public organization (e.g., university, ISP, small business) and simulate what a red teamer might find using Shodan queries—**without interacting with any systems**.
+
+📝 **Deliverable:** A 1-page report summarizing:
+- Tools used
+- Query examples
+- Findings (IP ranges, services, ports, exposure)
+- Defensive recommendations
+
+---
+
+## 📦 Bonus: Shodan CLI Mini Exercise (Optional)
+Install CLI:
+```bash
+pip install shodan
+shodan init <your-api-key>
+shodan search apache country:US --fields ip_str,port,org
+```
+
+Try using:
+```bash
+shodan host <IP_ADDRESS>
+```
+