That's A Clever Hack! How anyone could make Money from Google and Microsoft

Smart hackers could exploit a loophole that could allow them to steal a significant amount of cash from Google, Microsoft and Instagram using a Premium rate phone number.

Security researcher Arne Swinnen from Belgium has discovered an ingenious way to steal money from big tech companies like Google, Microsoft, and Instagram using their two-factor authentication (2FA) voice-based token

The evolution of the Retefe banking Trojan

Three weeks ago, we published a blog post about the
Retefe banking Trojan
, which began targeting banking customers in the United Kingdom. The Trojan steals login credentials and other personal information. Retefe is usually spread via a phishing email. The email contains a document, which is embedded with malicious JavaScript and user interaction is needed to activate the Trojan.

Another UK bank has now been added to the list of affected banks. The main behavior of the Trojan has largely remained unchanged, with the exception of its malicious components. The infection vector, as well as the installation of the malicious certificate, are the same as we reported in our last blog post.

Once the JavaScript runs it attempts to kill open Web browser processes. It then installs a fake certificate and changes the proxy auto-config URL. All scripts are obfuscated with the Dean Edwards packer. This behavior is similar to the previous version of Retefe.

The JavaScript, however, now contains three powershell scripts, two of which are the same as in the previous version. ConfirmCert clicks “OK” in the window displayed during the installation of the rogue certificate and AddCertFF adds the rogue certificate to FireFox. InstallTP is the new powershell script. It downloads and installs three programs: Task Scheduler wrapper, Tor and Proxifier.

The Task Scheduler Managed Wrapper is downloaded from Codeplex. This adds the option to use the object “New-Object Microsoft.Win32.TaskScheduler.TaskService”, which is later used for establishing persistence.

The Tor client gives the Trojan the possibility to access .onion domains directly.

Proxifier, as stated on their website, “allows network applications that do not support working through proxy servers to operate through a SOCKS or HTTPS proxy and chains.”.

The AutoConfigURL contains a link to a .onion domain and it can be reached now because Tor was, installed.

AutoConfig URL Retefe.png

Drupal Core – Highly Critical – Injection – SA-CORE-2016-003

Description

Drupal 8 uses the third-party PHP library Guzzle for making server-side HTTP requests. An attacker can provide a proxy server that Guzzle will use. The details of this are explained at https://httpoxy.org/.

CVE identifier(s) issued

  • CVE-2016-5385

Versions affected

  • Drupal core 8.x versions prior to 8.1.7

Solution

Install the latest version:

  • If you use Drupal 8.x, upgrade to Drupal core 8.1.7
  • If you use Drupal 7.x, Drupal core is not affected. However you should consider using the mitigation steps at https://httpoxy.org/ since you might have modules or other software on your server affected by this issue. For example, sites using Apache can add the following code to .htaccess:
    <IfModule mod_headers.c>
      RequestHeader unset Proxy
    </IfModule>
    

We also suggest mitigating it as described here: https://httpoxy.org/

Also see the Drupal core project page.

What if I am running Drupal core 8.0.x?

Drupal core 8.0.x is no longer supported. Update to 8.1.7 to get the latest security and bug fixes.

Why is this being released Monday rather than Wednesday?

The Drupal Security Team usually releases Security Advisories on Wednesdays. However, this vulnerability affects more than Drupal, and the authors of Guzzle and reporters of the issue coordinated to make it public Monday. Therefore, we are issuing a core release to update to the secure version of Guzzle today.

Contact and More Information

The Drupal security team can be reached at security at drupal.org or via the contact form at https://www.drupal.org/contact.

Learn more about the Drupal Security team and their policies, writing secure code for Drupal, and securing your site.

Follow the Drupal Security Team on Twitter at https://twitter.com/drupalsecurity

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