Advanced protection against anti-debugging with improved performance and features. Attempts to fix video playback issues.
Version au
// ==UserScript==
// @name Anti Anti-debugger
// @name:vi Chống Anti-debugger
// @name:zh-CN 反反调试
// @namespace https://greasyfork.org/vi/users/1195312-renji-yuusei
// @version 1.5
// @description Advanced protection against anti-debugging with improved performance and features. Attempts to fix video playback issues.
// @description:vi Bảo vệ nâng cao chống anti-debugging với hiệu suất và tính năng được cải thiện. Cố gắng sửa lỗi phát lại video.
// @description:zh-CN 高级反反调试保护，具有改进的性能和功能。 尝试修复视频播放问题。
// @author Yuusei
// @match *://*/*
// @grant unsafeWindow
// @run-at document-start
// @license GPL-3.0-only
// ==/UserScript==
(function() {
'use strict';
const config = {
debugKeywords: /;\s*(?:debugger|debug(?:ger)?|breakpoint)\s*;?/g, // Use regex for efficiency
consoleProps: ['log', 'warn', 'error', 'info', 'debug', 'assert', 'dir', 'dirxml', 'trace', 'group', 'groupCollapsed', 'groupEnd', 'time', 'timeEnd', 'profile', 'profileEnd', 'count'],
maxLogHistory: 100,
whitelist: /^(?:example\.com|another-site\.net)$/, // Use regex for whitelist
};
const originalConsole = console; // No need for Object.fromEntries
const logHistory = [];
const safeEval = (code) => { // Removed unused context
try {
return Function(`return (${code})()`)(); // Simpler and potentially faster
} catch (error) {
originalConsole.error('Failed to evaluate code:', error, code);
return null;
}
};
const modifyFunction = (func) => {
if (typeof func !== 'function') return func;
const funcStr = func.toString();
if (config.debugKeywords.test(funcStr)) {
const modifiedStr = funcStr.replace(config.debugKeywords, ';/* removed */');
try {
return safeEval(modifiedStr);
} catch (e) {
originalConsole.error("Error modifying function:", e);
return func;
}
}
return func;
};
const wrapConsole = () => {
config.consoleProps.forEach(prop => {
const original = originalConsole[prop];
console[prop] = (...args) => {
original.apply(originalConsole, args); // Use apply for correct context
logHistory.push(`[${prop.toUpperCase()}] ${args.map(formatLogArgument).join(' ')}`);
if (logHistory.length > config.maxLogHistory) logHistory.shift();
};
});
};
const antiAntiDebugger = () => {
const handler = {
apply(target, thisArg, args) {
return Reflect.apply(target, thisArg, args.map(modifyFunction));
},
construct(target, args) {
return Reflect.construct(target, args.map(modifyFunction));
}
};
unsafeWindow.eval = new Proxy(unsafeWindow.eval, handler);
unsafeWindow.Function = new Proxy(unsafeWindow.Function, handler);
};
const preventDebugging = () => {
if (config.whitelist.test(window.location.host)) return; // Use regex for whitelist check
const noop = () => {};
['alert', 'confirm', 'prompt'].forEach(prop => {
try {
Object.defineProperty(unsafeWindow, prop, { value: noop, writable: false, configurable: false });
} catch (e) {
originalConsole.error("Error overriding ", prop, ":", e);
}
});
try { // Restore video playback
Object.defineProperty(HTMLMediaElement.prototype, 'play', {
value: HTMLMediaElement.prototype.play,
writable: true,
configurable: true
});
} catch (error) {
originalConsole.error("Error restoring HTMLMediaElement.play:", error);
}
};
const formatLogArgument = (arg) => {
if (arg == null) return String(arg); // Simplified null/undefined check
if (typeof arg === 'object') {
try {
return JSON.stringify(arg, null, 2); // Removed replacer function for simplicity
} catch {
return '[Circular]';
}
}
return String(arg);
};
if (!config.whitelist.test(window.location.host)) { // Moved whitelist check to top level
wrapConsole();
antiAntiDebugger();
}
preventDebugging();
console.log('%cAnti Anti-debugger is active', 'color: #00ff00; font-weight: bold;');
})();