🚨 Block Malicious URLs

📝 Description

Block Malicious URLs is a professional GUI-based cybersecurity tool built with Python & Tkinter.
It detects unsafe websites in real-time using VirusTotal API, Google Safe Browsing API, and heuristic analysis.
The tool allows administrators to block/unblock malicious domains in the system hosts file and optionally send email alerts for threats. 🔒🌐

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🧠 Topics / Key Concepts

• 🛡️ Cybersecurity & Threat Prevention
• 🌐 URL / Domain Safety Analysis
• 🏠 Hosts File Management
• 🖥️ GUI Development with Tkinter
• 🔗 API Integration: VirusTotal & Google Safe Browsing
• 📄 Batch URL Scanning
• 📊 CSV Logging & Reporting
• 📧 Email Alerts (SMTP)
• 🧵 Python Threading for Responsive UI

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✨ Features

• ✅ Check single URL or domain for malicious activity
• ✅ Batch scan URLs from .txt or .csv files
• ✅ Block / unblock domains in system hosts file
• ✅ Admin password protection 🔑
• ✅ Progress bar and treeview display 📊
• ✅ Logs actions in block_log.csv 🗂️
• ✅ Optional email alerts for blocked domains 📧
• ✅ Maintains a list of blocked sites in GUI

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💻 Technologies Used

• 🐍 Python 3.x
• 🖼️ Tkinter (GUI)
• 🌐 Requests library (API calls)
• 📧 SMTP (Email notifications)
• 📄 CSV for logs
• 🧵 Threading (for responsive GUI)

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🚀 How to Run

1. Clone the repository:

   git clone https://github.com/Dheetchana04/Block-Malicious-URLs.git

2. Navigate into the project folder:

    cd Block-Malicious-URLs

3. Install dependencies:

    pip install requests

4. Run the application:

    python malicious_url_blocker.py

🔄 Example Workflow

1. Enter a URL → Check if it’s safe or malicious 🌐

2. Block/unblock a domain using admin password 🔑

3. Upload CSV/TXT with URLs → Batch scan → Auto-block malicious ones 📄🚫

4. View blocked sites and logs in the GUI 📊

Author

Dheetchana K