MEGASecurity Analysis

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

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

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

Dynamically creates script elements, potentially loading external malicious code.

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

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

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

ReDoS via crafted date strings

XSS in jQuery.when with untrusted input

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

Decodes base64 data, commonly used to hide malicious payloads.

Uses XMLHttpRequest to make network calls.

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

Intercepts form submissions, could capture login credentials.

Opens WebSocket connections, which can be used for persistent command-and-control channels.

Uses document.write() which can inject arbitrary HTML/scripts into pages.

JavaScript file could not be parsed and has high entropy. May contain obfuscated code.

Opens a WebSocket connection, which can be used for persistent C2 channels.

Line exceeds 5000 characters (entropy: 5.385196535860015)

Arbitrary code execution via template function

ReDoS in duration parsing

XSS via HTML passed to DOM manipulation methods

Cross-site scripting via cross-domain ajax requests

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

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

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

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

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

String with entropy 6.02 bits — may be encoded/encrypted data

JavaScript file could not be parsed. Likely minified or bundled code.

mega/js/vendor/avatar.js

mega/js/vendor/moment.js

mega/js/vendor/Chart.js

mega/js/vendor/Chart.js

mega/js/vendor/autolinker.js

mega/js/vendor/autolinker.js

mega/js/vendor/jquery.js

mega/js/jquery.protect.js