March 2023 – Page 5 – Learn and Explore

March 22, 2023
Uncategorized

CISA Alerts on Critical Security Vulnerabilities in Industrial Control Systems

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released eight Industrial Control Systems (ICS) advisories on Tuesday, warning of critical flaws affecting equipment from Delta Electronics and Rockwell Automation. This includes 13 security vulnerabilities in Delta Electronics’ InfraSuite Device Master, a real-time device monitoring software. All versions prior to 1.0.5...

March 22, 2023
Uncategorized

ScarCruft’s Evolving Arsenal: Researchers Reveal New Malware Distribution Techniques

The North Korean advanced persistent threat (APT) actor dubbed ScarCruft is using weaponized Microsoft Compiled HTML Help (CHM) files to download additional malware. According to multiple reports from AhnLab Security Emergency response Center (ASEC), SEKOIA.IO, and Zscaler, the findings are illustrative of the group’s continuous efforts to refine and retool its tactics to...

March 22, 2023
Uncategorized

Rogue NuGet Packages Infect .NET Developers with Crypto-Stealing Malware

The NuGet repository is the target of a new “sophisticated and highly-malicious attack” aiming to infect .NET developer systems with cryptocurrency stealer malware. The 13 rogue packages, which were downloaded more than 160,000 times over the past month, have since been taken down. “The packages contained a PowerShell script that would...

March 22, 2023
Uncategorized

Preventing Insider Threats in Your Active Directory

Active Directory (AD) is a powerful authentication and directory service used by organizations worldwide. With this ubiquity and power comes the potential for abuse. Insider threats offer some of the most potentials for destruction. Many internal users have over-provisioned access and visibility into the internal network. Insiders’ level of...

March 22, 2023
Uncategorized

New NAPLISTENER Malware Used by REF2924 Group to Evade Network Detection

The threat group tracked as REF2924 has been observed deploying previously unseen malware in its attacks aimed at entities in South and Southeast Asia. The malware, dubbed NAPLISTENER by Elastic Security Labs, is an HTTP listener programmed in C# and is designed to evade “network-based forms of detection.” REF2924 is the moniker assigned to...

March 22, 2023
Uncategorized

BreachForums Administrator Baphomet Shuts Down Infamous Hacking Forum

In a sudden turn of events, Baphomet, the current administrator of BreachForums, said in an update on March 21, 2023, that the hacking forum has been officially taken down but emphasized that “it’s not the end.” “You are allowed to hate me, and disagree with my decision but I...

March 21, 2023
Uncategorized

New ‘Bad Magic’ Cyber Threat Disrupt Ukraine’s Key Sectors Amid War

Amid the ongoing war between Russia and Ukraine, government, agriculture, and transportation organizations located in Donetsk, Lugansk, and Crimea have been attacked as part of an active campaign that drops a previously unseen, modular framework dubbed CommonMagic. “Although the initial vector of compromise is unclear, the details of the next stage imply...

March 21, 2023
Uncategorized

The Best Defense Against Cyber Threats for Lean Security Teams

H0lyGh0st, Magecart, and a slew of state-sponsored hacker groups are diversifying their tactics and shifting their focus to… You. That is, if you’re in charge of cybersecurity for a small-to-midsize enterprise (SME). Why? Bad actors know that SMEs typically have a smaller security budget, less infosec manpower, and possibly...

March 21, 2023
Uncategorized

New ShellBot DDoS Malware Variants Targeting Poorly Managed Linux Servers

Poorly managed Linux SSH servers are being targeted as part of a new campaign that deploys different variants of a malware called ShellBot. “ShellBot, also known as PerlBot, is a DDoS Bot malware developed in Perl and characteristically uses IRC protocol to communicate with the C&C server,” AhnLab Security Emergency...

March 21, 2023
Uncategorized

From Ransomware to Cyber Espionage: 55 Zero-Day Vulnerabilities Weaponized in 2022

As many as 55 zero-day vulnerabilities were exploited in the wild in 2022, with most of the flaws discovered in software from Microsoft, Google, and Apple. While this figure represents a decrease from the year before, when a staggering 81 zero-days were weaponized, it still represents a significant uptick...