TrickBot Malware

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 8. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency CISA and Federal...

Experts Warn About Ongoing AutoHotkey-Based Malware Attacks

Cybersecurity researchers have uncovered an ongoing malware campaign that heavily relies on AutoHotkey AHK scripting language to deliver multiple remote access trojans RAT such as Revenge RAT, LimeRAT, AsyncRAT, Houdini, and Vjw0rm on target Windows systems. At least four different versions of th...

What is a honeypot? How they are used in cybersecurity

Cybersecurity experts strive to enhance the security and privacy of computer systems. Quietly observing threat actors in action can help them understand what they have to defend against. A honeypot is one such tool that enables security professionals to catch bad actors in the act and gather data...

Securing a new world of hybrid work: What to know and what to do

The cybersecurity landscape has fundamentally changed, as evidenced by large-scale, complex attacks like Nobelium, Hafnium, and more recently last week’s Colonial Pipeline attack, which signals that human-operated ransomware is on the rise. Hackers launch an average of 50 million password attacks...

Securing a new world of hybrid work: What to know and what to do

The cybersecurity landscape has fundamentally changed, as evidenced by large-scale, complex attacks like Nobelium, Hafnium, and more recently last week’s Colonial Pipeline attack, which signals that human-operated ransomware is on the rise. Hackers launch an average of 50 million password attacks...

Ransomware world in 2021: who, how and why

As the world marks the second Anti-Ransomware Day, theres no way to deny it: ransomware has become the buzzword in the security community. And not without good reason. The threat may have been around a long time, but its changed. Year after year, the attackers have grown bolder, methodologies hav...

CVE-2021-31195

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31198. Recent assessments: NinjaOperator at August 09, 2021 8:19pm UTC reported: PoC is publicly available Microsoft has already patched this vulnerabilities and exploitation has not been observed...

New Crypto-Stealer ‘Panda’ Spreads via Discord

Yet another new information stealer – Panda Stealer – is being spread through a worldwide spam campaign. On Tuesday, Trend Micro researchers said that they first spotted the new stealer in April. The most recent wave of the spam campaign has had the biggest impact in Australia, Germany, Japan and...

Critical Patch Out for Critical Pulse Secure VPN 0-Day Under Attack

Ivanti, the company behind Pulse Secure VPN appliances, has released a security patch to remediate a critical security vulnerability that was found being actively exploited in the wild by at least two different threat actors. Tracked as CVE-2021-22893 CVSS score 10, the flaw concerns "multiple us...

Buer Malware Tool Rewritten in E-Z Rust Language

A variant of the Buer malware, which is being distributed in emails disguised as DHL support shipping notices, comes with a fresh code rewrite in the popular Rust language and looks like it may be in the process of prepping for rental to other cybercrooks. Join Threatpost for “Fortifying Your...

A Rust-based Buer Malware Variant Has Been Spotted in the Wild

Cybersecurity researchers on Monday disclosed a new malspam campaign distributing a fresh variant of a malware loader called "Buer" written in Rust, illustrating how adversaries are constantly honing their malware toolsets to evade analysis. Dubbed "RustyBuer," the malware is propagated via email...

Hackers Exploit SonicWall Zero-Day Bug in FiveHands Ransomware Attacks

An "aggressive" financially motivated threat group tapped into a zero-day flaw in SonicWall VPN appliances prior to it being patched by the company to deploy a new strain of ransomware called FIVEHANDS. The group, tracked by cybersecurity firm Mandiant as UNC2447, took advantage of an "improper S...

Microsoft Warns of 25 Critical Vulnerabilities in IoT, Industrial Devices

Security researchers at Microsoft are warning the industry about 25 as-yet undocumented critical memory-allocation vulnerabilities across a number of vendors’ IoT and industrial devices that threat actors could exploit to execute malicious code across a network or cause an entire system to crash...

Babuk Ransomware Gang Targets Washington D.C. Police

The Babuk gang of threat actors claims to have stolen more than 250 gigabytes of data from the Washington D.C. Metropolitan Police Department MPD on Monday, including police reports, internal memos, and arrested people’s mug shots and personal details. According to Vice, the attackers published t...

Abusing Replication: Stealing AD FS Secrets Over the Network

Organizations are increasingly adopting cloud-based services such as Microsoft 365 to host applications and data. Sophisticated threat actors are catching on and Mandiant has observed an increased focus on long-term persistent access to Microsoft 365 as one of their primary objectives. The focus ...

Emotet Malware Destroys Itself From All Infected Computers

Emotet, the notorious email-based Windows malware behind several botnet-driven spam campaigns and ransomware attacks, was automatically wiped from infected computers en masse following a European law enforcement operation. The development comes three months after a coordinated disruption of Emote...

2021. The age of the super vulnerability?

I don’t know about you, but to me it seems that every week we are seeing another vulnerability that not only grants significant access to the vulnerable system but also more widely internally. This last week we have seen the latest round of Microsoft Exchange vulnerabilities. The April 2021 updat...

5 Fundamental But Effective IoT Device Security Controls

As the pandemic continues to fuel the shift to remote work, numerous manufacturers have capitalized on this movement to create a multitude of handy internet of things IoT devices. While these devices may make our home and work lives more convenient, they greatly expand the attack surface for...

Active Exploitation of Pulse Connect Secure Zero-Day (CVE-2021-22893)

On Tuesday, April 20, 2021, security firm FireEye published detailed analysis of multiple threat campaigns targeting Ivanti’s Pulse Connect Secure VPN. According to FireEye’s analysis, threat actors have been leveraging multiple techniques to bypass single- and multi-factor authentication on Puls...

Pulse Secure Critical Zero-Day Security Bug Under Active Exploit

A critical zero-day security vulnerability in Pulse Secure VPN devices has been exploited by nation-state actors to launch cyberattacks against U.S. defense, finance and government targets, as well as victims in Europe, researchers said. Download “The Evolution of Ransomware” to gain valuable...