Protects against Unicode Domain phishing attacks

Latest Version

Version
1.0.1
Update
June 11, 2023
Size
9.1KiB
Developer
Category
Users
15
Rating
5 ★
Manifest Version
3
Web Store Status
Languages Support
English (UK)
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Permissions
DeclarativeNetRequestWithHostAccess
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Link Warden Extension

This is a chrome extension to protect you from some forms of Unicode Domain, aka \"Homoglyph\" Phishing attacks (https://en.wikipedia.org/wiki/IDN_homograph_attack), which is when an attacker disguises a URL by using similar looking characters. For example, can you tell the difference between these URLs:

www.google.com/maps
www.google.com⁄maps
www.google.com∕maps

Only one of these links is using real slashes, and some fonts may make them even harder to distinguish. Sophisticated replacement of characters which look similar is used to harvest login details, or fool users into accessing fake websites or downloading malicious files.

Once installed, this chrome extension will:
1. Highlight and disable links which contains fake slashes, preventing you from clicking them accidentally.
2. Safely redirect you away from any URLs which contain fake slashes.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "Link Warden", "version": "1.0.1", "description": "Protects against Unicode Domain phishing attacks", "content_scripts": [ { "matches": [""], "js": ["./content-script.js"] } ], "declarative_net_request": { "rule_resources": [{ "id": "ruleset_1", "enabled": true, "path": "rules.json" }] }, "permissions": [ "declarativeNetRequestWithHostAccess" ], "host_permissions": [ "" ], "icons": { "128": "blind.png" }}
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