A browser extension that helps protect against phishing attempts by detecting Cyrillic characters in URLs.
- Automatically detects Cyrillic characters in URLs
- Shows a prominent warning bar at the top of the page
- Works with both static pages and Single Page Applications (SPAs)
- Warning can be dismissed with a close button
- Download the extension or source code
- Open Chrome and go to
chrome://extensions/ - Enable "Developer mode" in the top right
- Click "Load unpacked" and select this directory
.
├── web/ # GitHub Pages website
│ ├── index.html # Landing page
│ └── assets/ # Web assets
├── src/ # Extension source code
│ ├── content.js # Content script
│ └── manifest.json # Extension manifest
└── README.md # You are here
The extension monitors the URL of the current page and checks for the presence of Cyrillic characters (Unicode range U+0400 to U+04FF). If any are detected, a red warning bar appears at the top of the page to alert the user of potential phishing attempts.
To work on this extension:
- Clone this repository
- Make your changes in the
srcdirectory - Load the extension in Chrome using Developer mode
- Test your changes
Contributions are welcome! Please feel free to submit a Pull Request.
This project is licensed under the MIT License - see the LICENSE file for details.
If you discover a security vulnerability, please send an email to [rehit.it@gmail.com]. All security vulnerabilities will be promptly addressed.