Is РуТрекер VPN - расширение для доступа к сайту safe?

// node decode-rutracker-config.js
// Reverses the ROT3 obfuscation the extension applies to its remote config.
const URLS = [
  'https://s-extension.github.io/DataExst/data.json',
  'https://dtxtension.blogspot.com/p/kronshtat.html',
];

function rot(text, shift) {
  return text.split('').map((ch) => {
    if (ch.match(/[a-z]/i)) {
      const code = ch.charCodeAt(0);
      const offset = code >= 65 && code <= 90 ? 65 : 97;
      return String.fromCharCode(((code - offset - shift + 26) % 26) + offset);
    }
    return ch;
  }).join('');
}

(async () => {
  for (const url of URLS) {
    try {
      const res = await fetch(url, { headers: { 'Cache-Control': 'no-cache' } });
      if (!res.ok) continue;
      const wire = (await res.text()).trim();
      const decoded = rot(wire, 3);          // showx(data, 3)
      const j = JSON.parse(decoded);
      console.log('source        :', url);
      console.log('payment host  :', j.u || j.url || '(none)');
      const servers = j.s || j.servers || [];
      console.log('server records:', servers.length);
      servers.forEach((b64, i) => {
        const rec = Buffer.from(b64, 'base64').toString('utf8');
        console.log(`  [${i}] ${rec}`);  // host:port:login:pass|expiry|country
      });
      return;
    } catch (e) {
      console.warn('skip', url, e.message);
    }
  }
  console.error('no config source responded');
})();

// node extract-proxy-creds.js /path/to/extracted/js/conf.js
const fs = require('fs');
const path = process.argv[2] || 'js/conf.js';
const src = fs.readFileSync(path, 'utf8');

// Pull the serverConfigs array literal
const m = src.match(/serverConfigs\s*=\s*\[([\s\S]*?)\]/);
if (!m) { console.error('serverConfigs array not found'); process.exit(1); }

const entries = [...m[1].matchAll(/['\"]([^'\"]+)['\"]/g)].map((x) => x[1]);
const byPair = new Map();
for (const e of entries) {
  const parts = e.split(':');
  if (parts.length >= 4) {                 // host:port:login:pass
    const login = parts[2];
    const pass = parts[3];
    const key = `${login}:${pass}`;
    byPair.set(key, (byPair.get(key) || 0) + 1);
  }
}

console.log(`entries: ${entries.length}, distinct credential pairs: ${byPair.size}`);
for (const [pair, count] of byPair) {
  const [login] = pair.split(':');
  console.log(`  login=${login}  reused across ${count} server entr${count === 1 ? 'y' : 'ies'}`);
}