msteams-token.js

// Obtain teams token - you can reuse it for GoMapEnum for example
// Author: Juan Manuel Fernandez (@TheXC3LL)

const puppeteer = require('puppeteer');

(async () => {
    console.log("\t\tMS Teams Token Generator - @TheXC3LL\n\n");
    const username = process.argv[2];
    const password = process.argv[3];
    console.log("[*] Using credentials: %s:%s", username, password);
    const browser = await puppeteer.launch();
    const page = await browser.newPage();

    // Detect URL changes
    page.on('framenavigated', frame => {
        const url = frame.url();
        if (url.startsWith('https://teams.microsoft.com/go') && url.indexOf('token_type=Bearer') > 0){
            const token = url.substring(url.indexOf('access_token=') + 13, url.lastIndexOf('&token_type=Bearer'));
            console.log("[*] Encoded Teams token: \n\n" + token + "\n\n");
            console.log("[^] Have a nice day!")
            process.exit();
        }
    });

    // Login
    await page.goto('https://teams.microsoft.com/');
    page.waitForNavigation();
    await page.waitForSelector('[name="loginfmt"]');
    await page.type('[name="loginfmt"]', username);
    await page.click('[type="submit"]');
    page.waitForNavigation();
    await page.waitForSelector('input[type="password"]');
    await page.type('input[type="password"]', password);
    await page.waitForTimeout(1000);
    await page.click('[type="submit"]');
    page.waitForNavigation();
    await page.waitForTimeout(3000);
    await page.keyboard.press('Enter');
    console.log("[*] Processing URLs... it can take a few seconds!");

})()