uBlock OriginSecurity 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.

Uses eval() to execute dynamic code, a common technique for obfuscation and code injection.

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

Object.defineProperty() called on document — can intercept and override built-in browser APIs.

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

Decodes base64 data, commonly used to hide malicious payloads.

Uses XMLHttpRequest to make network calls.

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

Dynamically creates iframe elements, which can be used to load external content or hide malicious UI.

Line exceeds 5000 characters (entropy: 5.261249051068379)

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

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

Creates a Web Worker, which runs code in a separate thread — can be used for background computation or crypto mining.

String with entropy 6 bits — may be encoded/encrypted data

object-src is not set to 'none'. Plugins like Flash can be embedded, which may allow code execution.