Technology

Critical SonicOS Vulnerability Affects SonicWall Firewall Appliances

SonicWall has released security updates to contain a critical flaw across multiple firewall appliances that could be weaponized by an unauthenticated, remote attacker to execute arbitrary code and cause a denial-of-service (DoS) condition. Tracked as CVE-2022-22274 (CVSS score: 9.4), the issue has been described as a stack-based buffer overflow in the web management interface of SonicOS that

Critical SonicOS Vulnerability Affects SonicWall Firewall Appliances Read More »

New Malware Loader ‘Verblecon’ Infects Hacked PCs with Cryptocurrency Miners

An unidentified threat actor has been observed employing a “complex and powerful” malware loader with the ultimate objective of deploying cryptocurrency miners on compromised systems and potentially facilitating the theft of Discord tokens. “The evidence found on victim networks appears to indicate that the goal of the attacker was to install cryptocurrency mining software on

New Malware Loader ‘Verblecon’ Infects Hacked PCs with Cryptocurrency Miners Read More »

Critical Sophos Firewall RCE Vulnerability Under Active Exploitation

Cybersecurity firm Sophos on Monday warned that a recently patched critical security vulnerability in its firewall product is being actively exploited in real-world attacks. The flaw, tracked as CVE-2022-1040, is rated 9.8 out of 10 on the CVSS scoring system and impacts Sophos Firewall versions 18.5 MR3 (18.5.3) and older. It relates to an authentication bypass

Critical Sophos Firewall RCE Vulnerability Under Active Exploitation Read More »

‘Purple Fox’ Hackers Spotted Using New Variant of FatalRAT in Recent Malware Attacks

The operators of the Purple Fox malware have retooled their malware arsenal with a new variant of a remote access trojan called FatalRAT, while also simultaneously upgrading their evasion mechanisms to bypass security software. “Users’ machines are targeted via trojanized software packages masquerading as legitimate application installers,” Trend Micro researchers said in a report published on

‘Purple Fox’ Hackers Spotted Using New Variant of FatalRAT in Recent Malware Attacks Read More »

Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware

A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IcedID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers. “The emails use a social engineering technique of conversation hijacking (also known as thread hijacking),” Israeli company Intezer said in a report shared

Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware Read More »

Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability

Muhstik, a botnet infamous for propagating via web application exploits, has been observed targeting Redis servers using a recently disclosed vulnerability in the database system. The vulnerability relates to CVE-2022-0543, a Lua sandbox escape flaw in the open-source, in-memory, key-value data store that could be abused to achieve remote code execution on the underlying machine. The

Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability Read More »

FCC Adds Kaspersky and Chinese Telecom Firms to National Security Threat List

The U.S. Federal Communications Commission (FCC) on Friday moved to add Russian cybersecurity company Kaspersky Lab to the “Covered List” of companies that pose an “unacceptable risk to the national security” of the country. The development marks the first time a Russian entity has been added to the list that’s been otherwise dominated by Chinese telecommunications firms.

FCC Adds Kaspersky and Chinese Telecom Firms to National Security Threat List Read More »

Another Chinese Hacking Group Spotted Targeting Ukraine Amid Russia Invasion

A Chinese-speaking threat actor called Scarab has been linked to a custom backdoor dubbed HeaderTip as part of a campaign targeting Ukraine since Russia embarked on an invasion last month, making it the second China-based hacking group after Mustang Panda to capitalize on the conflict. “The malicious activity represents one of the first public examples of a

Another Chinese Hacking Group Spotted Targeting Ukraine Amid Russia Invasion Read More »

North Korean Hackers Exploited Chrome Zero-Day to Target Fintech, IT, and Media Firms

Google’s Threat Analysis Group (TAG) on Thursday disclosed that it acted to mitigate threats from two distinct government-backed attacker groups based in North Korea that exploited a recently-uncovered remote code execution flaw in the Chrome web browser. The campaigns, once again “reflective of the regime’s immediate concerns and priorities,” are said to have targeted U.S.

North Korean Hackers Exploited Chrome Zero-Day to Target Fintech, IT, and Media Firms Read More »