Enhanced security addon to detect and block malicious password reset attempts
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// ==UserScript==
// @name PreventStealerV2
// @namespace http://tampermonkey.net/
// @version 1.7
// @description Enhanced security addon to detect and block malicious password reset attempts
// @author Simon, Zpayer
// @match https://www.kogama.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=kogama.com
// @grant none
// ==/UserScript==
(function() {
'use strict';
const ALLOWED_PATTERNS = [
/^\/api\/product\/subscription\/?$/,
/^\/api\/product\/subscription\/promote-free\/?$/,
/^\/api\/product\/gold\/?$/,
/^\/api\/report\/types\/?$/,
/^\/api\/report\/\d+\/\w+\/?$/,
/^\/game\/\d+\/?$/,
/^\/game\/published\/?$/,
/^\/game\/\d+\/publish\/?$/,
/^\/game\/gs-archive\/\?kogama_id=\d+&gs_id=\w+&title=[^&]+$/,
/^\/user\/\d+\/?$/,
/^\/user\/\d+\/game\/?$/,
/^\/user\/\d+\/friend\/?$/,
/^\/user\/\d+\/invitations\/?$/,
/^\/user\/\d+\/password\/?$/,
/^\/user\/\d+\/avatar\/\w+\/?$/,
/^\/user\/\d+\/avatar\/?$/,
/^\/user\/\d+\/username\/?$/,
/^\/user\/\d+\/username\/\?username=\w+$/,
/^\/user\/username\/\?username=\w+$/,
/^\/user\/\d+\/email\/?$/,
/^\/user\/\d+\/password-reset\/?$/,
/^\/user\/\d+\/policy-accepted\/?$/,
/^\/user\/\d+\/claim-daily-gold\/?$/,
/^\/user\/\d+\/password-reset-required\/?$/,
/^\/\d+badge\/\w+\/?$/,
/^\/\d+badge\/\w+\/read\/?$/,
/^\/api\/feed\/\d+\/?$/,
/^\/api\/emote\/\d+\/?$/,
/^\/api\/emote\/\d+\/\w+\/?$/,
/^\/api\/emote\/emote-set\/?$/,
/^\/api\/emote\/emote-set\/\d+\/?$/,
/^\/api\/emote\/emote-set-emote\/?$/,
/^\?emote-set-id=\d+$/,
/^\/api\/emote\/emote-set-emote\/\d+\/?$/,
/^\/api\/emote\/emote-set-transfer\/?$/,
/^\/api\/app\/regions\/?$/,
/^\/api\/spin\/data\/?$/,
/^\/api\/news\/\d+\/?$/,
/^\/api\/news\/unread\/?$/,
/^\/model\/market\/?$/,
/^\/model\/market\/\d+\/?$/,
/^\/api\/shop\/\d+\/?$/,
/^\/\d+\/comment\/?$/,
/^\/api\/feed\/\d+\/comment\/?$/,
/^\/game\/\d+\/comment\/?$/,
/^\/server\/game\/?$/,
/^\/server\/project\/?$/,
/^\/server\/character\/?$/,
/^\/locator\/session\/?$/,
/^\/locator\/session\/\d+\/ping\/?$/,
/^\/locator\/session\/\d+\/leave\/?$/,
/^\/locator\/session\/\d+\/?$/,
/^\/locator\/session\/\d+\/reauth\/?$/,
/^\/api\/reward\/game-play\/?$/,
/^\/v1\/api\/reward\/game-play\/?$/,
/^\/v1\/api\/reward\/game-data\/?$/,
/^\/v1\/api\/reward\/published\/?$/,
/^\/chat\/\w+\/?$/,
/^\/chat\/\d+\/history\/\w+\/?$/,
/^\/user\/\d+\/friend\/chat\/?$/,
/^\/user\/\d+\/friend\/chat\/\w+\/?$/,
/^\/v1\/user\/\d+\/ping\/?$/,
/^\/user\/\d+\/pulse\/?$/,
/^\/v1\/stat\/p\/?$/,
/^\/api\/onboarding\/\d+\/?$/,
/^\/v1\/notify\/c\/\?token=\d+&generation=[^&]+$/,
/^\/v1\/notify\/c\/seen\/\?token=\d+&generation=[^&]+$/,
/^\/v1\/payment\/stripe\/charge\/?$/,
/^\/help\/install\/chrome-help-sections\/?$/,
/^\?version=\d+$/,
/^\/help\/install\/other-help-sections\/?$/,
/^\/profile\/\d+\/?$/,
/^\/games\/profile\/\d+\/?$/,
/^\/games\/play\/\d+\/?$/,
/^\?local=1$/,
/^\/games\/?$/,
/^\/build\/\d+\/project\/?$/,
/^\/build\/\d+\/project\/\w+\/?$/,
/^\/build\/\d+\/project\/\w+\/edit\/?$/,
/^\/purchase\/?$/,
/^\/login\/\?next=[^&]+$/,
/^\/register\/?$/,
/^\/register\/\?xp=\d+&signature=\w+$/,
/^\/auth\/logout\/?$/,
/^\/page\/disconnected\/\?reason=idle$/,
/^\/page\/embed\/disconnected\/\?reason=idle$/,
/^\/page\/disconnected\/?$/,
/^\/page\/webgl-frame\/?$/,
/^\/help\/install\/kogama-launcher-windows\/?$/,
/^\/page\/new-plugin-installed-reward\/?$/,
/^\/news\/\w+\/?$/,
/^\/subscription\/subscribe\/?$/,
/^\/payment\/options\/?$/,
/^\/payment\/billing-information\/?$/,
/^\/payment\/thank-you\/?$/,
/^\/payment\/addons\/?$/,
/^\/subscription\/manage\/?$/,
/^\/marketplace\/?$/,
/^\/locator\/session\/\?objectID=\d+&profileID=\d+&lang=\w+_\w+&type=\w+&referrer=\w+$/
];
const PASSWORD_PROTECTION = {
PROTECTED_ENDPOINTS: [
/\/password-reset\/?$/,
/\/password-reset-required\/?$/,
/\/password\/?$/
],
BLOCKED_METHODS: ['PUT', 'POST'],
SUSPICIOUS_HEADERS: ['authorization', 'x-csrf-token', 'x-requested-with']
};
function isAllowed(url) {
if (!url.startsWith('http')) return true;
const path = new URL(url).pathname + new URL(url).search;
return ALLOWED_PATTERNS.some(pattern => pattern.test(path));
}
function isPasswordEndpoint(url) {
return PASSWORD_PROTECTION.PROTECTED_ENDPOINTS.some(pattern => pattern.test(url));
}
function isSuspiciousPasswordRequest(init) {
if (!init) return false;
if (PASSWORD_PROTECTION.BLOCKED_METHODS.includes(init.method?.toUpperCase())) {
return true;
}
if (init.headers) {
const headers = init.headers instanceof Headers ?
Object.fromEntries(init.headers.entries()) :
init.headers;
return PASSWORD_PROTECTION.SUSPICIOUS_HEADERS.some(
header => headers[header] && (headers[header].includes('Bearer') || headers[header].includes('Token'))
);
}
return false;
}
function logBlockedRequest(type, url, details = null) {
console.warn(`[Security] Blocked ${type} to:`, url, details);
const notification = document.createElement('div');
Object.assign(notification.style, {
position: 'fixed',
bottom: '10px',
right: '10px',
backgroundColor: '#2d2d2d',
color: '#e0e0e0',
padding: '8px 12px',
borderRadius: '4px',
borderLeft: '3px solid #ff4444',
fontSize: '13px',
zIndex: '9999',
maxWidth: '280px',
boxShadow: '0 2px 8px rgba(0,0,0,0.2)'
});
notification.innerHTML = `
<div style="font-weight:500;margin-bottom:4px;">Blocked ${type}</div>
<div style="color:#aaa;font-size:12px;word-break:break-word;">${url}</div>
${details ? `<div style="margin-top:4px;color:#888;font-size:11px;">${details}</div>` : ''}
`;
document.body.appendChild(notification);
setTimeout(() => notification.remove(), 5000);
}
const originalFetch = window.fetch;
window.fetch = function(resource, init) {
const url = typeof resource === 'string' ? resource : resource.url;
if (!isAllowed(url)) {
logBlockedRequest('fetch', url);
return Promise.reject(new Error(`Request to ${url} blocked by security policy`));
}
if (isPasswordEndpoint(url)) {
if (isSuspiciousPasswordRequest(init)) {
logBlockedRequest('fetch', url, 'Suspicious password change attempt blocked');
return Promise.reject(new Error('Suspicious password change attempt blocked'));
}
}
if (url.includes('discord.com/api/webhooks')) {
logBlockedRequest('fetch', url, 'Webhook requests are blocked');
return Promise.reject(new Error('Webhook requests are blocked'));
}
return originalFetch.apply(this, arguments);
};
const originalOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function(method, url) {
if (!isAllowed(url)) {
logBlockedRequest('XHR', url);
throw new Error(`Request to ${url} blocked by security policy`);
}
return originalOpen.apply(this, arguments);
};
const originalWebSocket = window.WebSocket;
window.WebSocket = function(url, protocols) {
if (!isAllowed(url)) {
logBlockedRequest('WebSocket', url);
throw new Error(`WebSocket connection to ${url} blocked by security policy`);
}
return new originalWebSocket(url, protocols);
};
console.log('%c[ PREVENTSTEALERV2 ] Monitoring for any suspicious traffic. . . ', 'color: #856F81; font-weight: bold;');
})();