Video Downloader for USecurity Analysis

Extension intercepts network traffic and sends data externally — potential man-in-the-middle behavior.

Extension has access to all sites and captures keyboard input — behavior consistent with a keylogger.

Dynamically creates script elements, potentially loading external malicious code.

Creates functions from strings, similar to eval(), often used to hide malicious code.

Injects and executes scripts in web pages programmatically.

Listens for keyboard events, a common technique used by keyloggers.

Dynamically sets a script's src attribute to load external code at runtime.

Creates a function from a string (new Function()), similar to eval().

Content script runs at document_start in ALL frames on ALL URLs. This gives the extension deep access to every page load, including iframes.

Extension tracks open tabs and communicates with external servers — potential browsing surveillance.

Sends messages via Chrome runtime, could communicate with external services.

Makes HTTP requests to external servers, may be used for data exfiltration.

Uses XMLHttpRequest to make network calls.

Modifies window.location to redirect the user, potentially to phishing or malicious pages.

Line exceeds 5000 characters (entropy: 5.408570934064614)

XSS via HTML passed to DOM manipulation methods

This extension does not define a Content Security Policy. A CSP helps prevent XSS and code injection attacks.

Web-accessible resources use <all_urls> or wildcard patterns, exposing resources to every website.

Sets innerHTML directly, which can lead to XSS if used with untrusted data.

Reads or writes to localStorage, which may contain sensitive site data.

Encodes data to base64, may be used for data exfiltration.

assets/jquery-3.2.1.min.js

background.js

popup.js