A New Fileless P2P Botnet Malware Targeting SSH Servers Worldwide

Cybersecurity researchers today took the wraps off a sophisticated, multi-functional peer-to-peer P2P botnet written in Golang that has been actively targeting SSH servers since January 2020. Called "FritzFrog," the modular, multi-threaded and file-less botnet has breached more than 500 servers t...

A New Fileless P2P Botnet Malware Targeting SSH Servers Worldwide

Cybersecurity researchers today took the wraps off a sophisticated, multi-functional peer-to-peer P2P botnet written in Golang that has been actively targeting SSH servers since January 2020. Called "FritzFrog ," the modular, multi-threaded and file-less botnet has breached more than 500 servers ...

Carbon Black EDR’s All-New Live Query Capability and Enhanced Fileless Visibility

VMware Carbon Black is excited to announce that VMware Carbon Black EDR formerly CB Response, recently named by Gartner as a 2020 Customers’ Choice for Endpoint Detection and Response solutions, now features enhanced insight into fileless activity via Microsoft’s AMSI and a brand new Live Query...

This Week in Security News: 7 Tips for Security Pros Patching in a Pandemic and Coinminer, DDoS Bot Attack Docker Daemon Ports

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, read about a malicious cryptocurrency miner and Distributed Denial of Service DDoS bot that targets open Docker daemon ports. Also, learn...

Riding another wave of success for our multi-layered detection and response approach

The corporate endpoint is a constant battle between cybersecurity white hats and criminal attackers. According to one study from the Ponemon Institute, 68% of organizations were victims of an attack on the endpoint in 2019. The risks and costs associated with undetected threats are immeasurable...

Latest Astaroth living-off-the-land attacks are even more invisible but not less observable

Following a short hiatus, Astaroth came back to life in early February sporting significant changes in its attack chain. Astaroth is an info-stealing malware that employs multiple fileless techniques and abuses various legitimate processes to attempt running undetected on compromised machines. Th...

Behavioral blocking and containment: Transforming optics into protection

In today’s threat landscape—overrun by fileless malware that live off the land, highly polymorphic threats that mutate faster than traditional solutions can keep up with, human-operated attacks that adapt to what adversaries find on compromised machines, and other sophisticated threats—behavioral...

Report to Your Management with the Definitive ‘IR Management and Reporting’ presentation Template

The realistic approach to security is that incidents occur. While ideally, the CISO would want to prevent all of them, in practice some will succeed to a certain degree—making the ability to efficiently manage an incident response process a mandatory skill for any CISO. Moreover, apart from the...

Microsoft Windows - WSReset UAC Protection Bypass (Registry) Exploit

Fileless UAC bypass WSReset.exe @404death base on : https://www.activecyber.us/activelabs/windows-uac-bypass EDB Note: Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47754.zip import sys, os from ctypes import import winreg CMD =...

A week in security (November 25 – December 1)

Last week on Malwarebytes Labs, we discussed why the notion of "data as property" may potentially hurt more than help, homed in on sextortion scammers getting more creative, and explored the possible security risks Americans might face if the US changed to universal healthcare coverage. Other...

Fileless Attacks: The Next Frontier for Cybercrime

The world of cybersecurity is rapidly evolving, and so are the methods of cybercriminals. More and more attackers are moving away from traditional malware—in fact, 60% of today’s attacks involve fileless techniques. A fileless attack also known as a “memory-based” or “live-off-the-land” attack is...

Insights from one year of tracking a polymorphic threat

A little over a year ago, in October 2018, our polymorphic outbreak monitoring system detected a large surge in reports, indicating that a large-scale campaign was unfolding. We observed as the new threat attempted to deploy files that changed every 20-30 minutes on thousands of devices. We gave...

Exploit kits: fall 2019 review

Despite a slim browser market share, Internet Explorer is still being exploited in fall 2019 in a number of drive-by download campaigns. Perhaps even more surprising, we're seeing new exploit kits emerge. Based on our telemetry, these drive-bys are happening worldwide with the exception of a few...

Hunting for LoLBins

By Vanja Svajcer. Introduction Attackers' trends tend to come and go. But one popular technique we're seeing at this time is the use of living-off-the-land binaries — or "LoLBins". LoLBins are used by different actors combined with fileless malware and legitimate cloud services to improve chances...

Thousands of Windows PCs infected by Nodersok/Divergent fileless malware

By Sudais A new fileless malware is on the rise which converts computers into bots that can be controlled by hackers remotely. This is a post from HackRead.com Read the original post: Thousands of Windows PCs infected by Nodersok/Divergent fileless malware...

Divergent: "Fileless" NodeJS Malware Burrows Deep Within the Host

Update 09/27/2019: Additional information regarding the malware interaction with various online advertisements has been included to highlight the click-fraud related network communications associated with Divergent. Executive summary Cisco Talos recently discovered a new malware loader being used...

Microsoft Warns of a New Rare Fileless Malware Hijacking Windows Computers

Watch out Windows users! There's a new strain of malware making rounds on the Internet that has already infected thousands of computers worldwide and most likely, your antivirus program would not be able to detect it. Why? That's because, first, it's an advanced fileless malware and second, it...

Microsoft Warns of a New Rare Fileless Malware Hijacking Windows Computers

Watch out Windows users! There's a new strain of malware making rounds on the Internet that has already infected thousands of computers worldwide and most likely, your antivirus program would not be able to detect it. Why? That's because, first, it's an advanced fileless malware and second, it...

Thousands of PCs Affected by Nodersok/Divergent Malware

New malware identified by Microsoft and Cisco Talos has affected thousands of PCs in the United States and Europe and turns systems into proxies for performing malicious activity, the companies said. The fileless threat—called Nodersok by Microsoft and Divergent by Cisco Talos—has many of its own...

Bring your own LOLBin: Multi-stage, fileless Nodersok campaign delivers rare Node.js-based malware

We’ve discussed the challenges that fileless threats pose in security, and how Microsoft Defender Advanced Threat Protection Microsoft Defender ATP employs advanced strategies to defeat these sophisticated threats. Part of the slyness of fileless malware is their use of living-off-the-land...