NEWS

Ransomware Groups Enhance Attacks with New Brute Force Tool for VPNs and Firewalls

Ransomware groups are ramping up their cyber attacks with a new brute force tool targeting VPNs and firewalls. This automated strategy leverages stolen credentials to exploit enterprise defenses, highlighting the urgent need for enhanced cybersecurity measures.

By
LNGFRM Team
Published March 15, 2025
Image courtesy of Forbes

In the ever-evolving landscape of cyber warfare, ransomware attackers have now added an insidious new tool to their arsenal: the ability to brute force your VPNs and firewalls at an alarming scale.

Just when you thought you were safe behind those digital ramparts, enter the Bruted tool—a revelation that should make every IT security professional sit up and take notice.

For the uninitiated, brute force attacks are a bit like trying every combination on a padlock until it clicks open.

What’s new—and terrifying—is the automation and sophistication brought to this method by ransomware groups like Black Basta.

According to Arda Büyükaya, a cyber threat intelligence analyst at EclecticIQ, these attackers aren’t just haphazardly guessing passwords anymore.

They’re deploying a systematic, automated framework that scans and probes enterprise defenses with chilling efficiency.

The leaked chat logs from Black Basta provide a glimpse into their modus operandi.

At the heart of their strategy is the use of stolen credentials—passwords and two-factor authentication codes—gleaned from various breaches.

With these, they execute credential-stuffing attacks, effectively bombarding enterprise VPNs and firewalls with a deluge of login attempts.

The goal is to find that one weak link, that one reused password that grants them entry into the digital inner sanctum.

The Bruted tool, a PHP-written script, embodies this strategy.

It automates the reconnaissance phase, scouring the internet for exposed network devices from a list of prominent vendors like SonicWall, Palo Alto, Cisco, and more.

Once potential targets are identified, the tool launches a relentless assault, combining lists of likely passwords from remote servers with locally generated guesses.

The result is an attack that is both broad in scope and precisely targeted.

But the ingenuity of Bruted doesn’t end there.

Its ability to adapt and customize its approach for various platforms reflects a level of sophistication that should be a wake-up call to all.

This adaptability allows attackers to systematically probe for weak or reused credentials across multiple environments, significantly increasing their chances of success.

So, what can enterprises do to defend against such formidable foes?

The answer, as always, lies in vigilance and preparation.

Regular patching and updates are non-negotiable.

Strengthening password policies and disabling unnecessary features can erect additional barriers against unauthorized access.

In essence, the key is to make the fortress as impenetrable as possible.

Yet, as we bolster our defenses, we must also recognize that the cybersecurity battle is one of attrition as much as it is of strategy.

As attackers continue to evolve, so too must our defenses.

The revelation of tools like Bruted is not just a call to arms but a reminder that in cybersecurity, complacency is not an option.

The digital battlefield is vast and unforgiving, and only those who remain vigilant will prevail.

Author

  • LNGFRM Team

    Frank DiBernardo handles LNGFRM's Foodie and Miscellaneous writing tasks. He's always getting ideas from users, so don't be afraid to send an email to the editor.

Daily Newsletter
Subscribe to our Newletter!
You May Also Like
© 2026 LNGFRM. All rights reserved.