GHOSTENGINE Exploits Vulnerable Drivers to Disable EDRs in Cryptojacking Attack

Cybersecurity researchers have discovered a new cryptojacking campaign that employs vulnerable drivers to disable known security solutions (EDRs) and thwart detection in what's called a Bring Your Own Vulnerable Driver (BYOVD) attack. Elastic Security Labs is tracking the campaign under the name REF4578 and the primary payload as GHOSTENGINE. Previous research from Chinese

Sandbox Escape Vulnerabilities in Judge0 Expose Systems to Complete Takeover

Multiple critical security flaws have been disclosed in the Judge0 open-source online code execution system that could be exploited to obtain code execution on the target system. The three flaws, all critical in nature, allow an "adversary with sufficient access to perform a sandbox escape and obtain root permissions on the host machine," Australian

Microsoft Edge Bug Could Have Allowed Attackers to Silently Install Malicious Extensions

A now-patched security flaw in the Microsoft Edge web browser could have been abused to install arbitrary extensions on users' systems and carry out malicious actions.  "This flaw could have allowed an attacker to exploit a private API, initially intended for marketing purposes, to covertly install additional browser extensions with broad permissions without the user's knowledge," Guardio

Microsoft's March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws

Microsoft on Tuesday released its monthly security update, addressing 61 different security flaws spanning its software, including two critical issues impacting Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution. Of the 61 vulnerabilities, two are rated Critical, 58 are rated Important, and one is rated Low in severity. None of the flaws are listed as

Cisco Issues Patch for High-Severity VPN Hijacking Bug in Secure Client

Cisco has released patches to address a high-severity security flaw impacting its Secure Client software that could be exploited by a threat actor to open a VPN session with that of a targeted user. The networking equipment company described the vulnerability, tracked as CVE-2024-20337 (CVSS score: 8.2), as allowing an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF

U.S. Cracks Down on Predatory Spyware Firm for Targeting Officials and Journalists

The U.S. Department of Treasury’s Office of Foreign Assets Control (OFAC) sanctioned two individuals and five entities associated with the Intellexa Alliance for their role in “developing, operating, and distributing” commercial spyware designed to target government officials, journalists, and policy experts in the country. “The proliferation of commercial spyware poses distinct and growing

Alert: GhostSec and Stormous Launch Joint Ransomware Attacks in Over 15 Countries

The cybercrime group called GhostSec has been linked to a Golang variant of a ransomware family called GhostLocker. “TheGhostSec and Stormous ransomware groups are jointly conducting double extortion ransomware attacks on various business verticals in multiple countries,” Cisco Talos researcher Chetan Raghuprasad said in a report shared with The Hacker News. “GhostLocker and

New APT Group 'Lotus Bane' Behind Recent Attacks on Vietnam's Financial Entities

A financial entity in Vietnam was the target of a previously undocumented threat actor called Lotus Bane as part of a cyber attack that was first detected in March 2023. Singapore-headquartered Group-IB described the hacking outfit as an advanced persistent threat group that's believed to have been active since at least 2022. The exact specifics of the infection chain remain unknown

Hackers Exploit ConnectWise ScreenConnect Flaws to Deploy TODDLERSHARK Malware

North Korean threat actors have exploited the recently disclosed security flaws in ConnectWise ScreenConnect to deploy a new malware called TODDLERSHARK. According to a report shared by Kroll with The Hacker News, TODDLERSHARK overlaps with known Kimsuky malware such as BabyShark and ReconShark. “The threat actor gained access to the victim workstation by exploiting the exposed setup wizard

Critical JetBrains TeamCity On-Premises Flaws Could Lead to Server Takeovers

A new pair of security vulnerabilities have been disclosed in JetBrains TeamCity On-Premises software that could be exploited by a threat actor to take control of affected systems. The flaws, tracked as CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score: 7.3), have been addressed in version 2023.11.4. They impact all TeamCity On-Premises versions through 2023.11.3. “The

Experts Warn of macOS Backdoor Hidden in Pirated Versions of Popular Software

Pirated applications targeting Apple macOS users have been observed containing a backdoor capable of granting attackers remote control to infected machines. "These applications are being hosted on Chinese pirating websites in order to gain victims," Jamf Threat Labs researchers Ferdous Saljooki and Jaron Bradley said. "Once detonated, the malware will download and execute multiple payloads

TensorFlow CI/CD Flaw Exposed Supply Chain to Poisoning Attacks

Continuous integration and continuous delivery (CI/CD) misconfigurations discovered in the open-source TensorFlow machine learning framework could have been exploited to orchestrate supply chain attacks. The misconfigurations could be abused by an attacker to "conduct a supply chain compromise of TensorFlow releases on GitHub and PyPi by compromising TensorFlow's build agents via

MFA Spamming and Fatigue: When Security Measures Go Wrong

In today's digital landscape, traditional password-only authentication systems have proven to be vulnerable to a wide range of cyberattacks. To safeguard critical business resources, organizations are increasingly turning to multi-factor authentication (MFA) as a more robust security measure. MFA requires users to provide multiple authentication factors to verify their identity, providing an

Chinese Hackers Exploited New Zero-Day in Barracuda's ESG Appliances

Barracuda has revealed that Chinese threat actors exploited a new zero-day in its Email Security Gateway (ESG) appliances to deploy backdoors on a "limited number" of devices. Tracked as CVE-2023-7102, the issue relates to a case of arbitrary code execution that resides within a third-party and open-source library named Spreadsheet::ParseExcel that's used by the Amavis scanner

MongoDB Suffers Security Breach, Exposing Customer Data

MongoDB on Saturday disclosed it's actively investigating a security incident that has led to unauthorized access to "certain" corporate systems, resulting in the exposure of customer account metadata and contact information. The American database software company said it first detected anomalous activity on December 13, 2023, and that it immediately activated its incident response

New MrAnon Stealer Malware Targeting German Users via Booking-Themed Scam

A phishing campaign has been observed delivering an information stealer malware called MrAnon Stealer to unsuspecting victims via seemingly benign booking-themed PDF lures. "This malware is a Python-based information stealer compressed with cx-Freeze to evade detection," Fortinet FortiGuard Labs researcher Cara Lin said. "MrAnon Stealer steals its victims' credentials, system

Researchers Unveil GuLoader Malware's Latest Anti-Analysis Techniques

Threat hunters have unmasked the latest tricks adopted by a malware strain called GuLoader in an effort to make analysis more challenging. "While GuLoader's core functionality hasn't changed drastically over the past few years, these constant updates in their obfuscation techniques make analyzing GuLoader a time-consuming and resource-intensive process," Elastic Security Labs

Qualcomm Releases Details on Chip Vulnerabilities Exploited in Targeted Attacks

Chipmaker Qualcomm has released more information about three high-severity security flaws that it said came under "limited, targeted exploitation" back in October 2023. The vulnerabilities are as follows - CVE-2023-33063 (CVSS score: 7.8) - Memory corruption in DSP Services during a remote call from HLOS to DSP. CVE-2023-33106 (CVSS score: 8.4) - Memory corruption in

Agent Racoon Backdoor Targets Organizations in Middle East, Africa, and U.S.

Organizations in the Middle East, Africa, and the U.S. have been targeted by an unknown threat actor to distribute a new backdoor called Agent Racoon. "This malware family is written using the .NET framework and leverages the domain name service (DNS) protocol to create a covert channel and provide different backdoor functionalities," Palo Alto Networks Unit 42 researcher Chema Garcia 

North Korea's Lazarus Group Rakes in $3 Billion from Cryptocurrency Hacks

Threat actors from the Democratic People's Republic of Korea (DPRK) are increasingly targeting the cryptocurrency sector as a major revenue generation mechanism since at least 2017 to get around sanctions imposed against the country. "Even though movement in and out of and within the country is heavily restricted, and its general population is isolated from the rest of the world, the

27 Malicious PyPI Packages with Thousands of Downloads Found Targeting IT Experts

An unknown threat actor has been observed publishing typosquat packages to the Python Package Index (PyPI) repository for nearly six months with an aim to deliver malware capable of gaining persistence, stealing sensitive data, and accessing cryptocurrency wallets for financial gain. The 27 packages, which masqueraded as popular legitimate Python libraries, attracted thousands of downloads,

Quasar RAT Leverages DLL Side-Loading to Fly Under the Radar

The open-source remote access trojan known as Quasar RAT has been observed leveraging DLL side-loading to fly under the radar and stealthily siphon data from compromised Windows hosts. "This technique capitalizes on the inherent trust these files command within the Windows environment," Uptycs researchers Tejaswini Sandapolla and Karthickkumar Kathiresan said in a report published last week,

Ukraine's CERT Thwarts APT28's Cyberattack on Critical Energy Infrastructure

The Computer Emergency Response Team of Ukraine (CERT-UA) on Tuesday said it thwarted a cyber attack against an unnamed critical energy infrastructure facility in the country. The intrusion, per the agency, started with a phishing email containing a link to a malicious ZIP archive that activates the infection chain. “Visiting the link will download a ZIP archive containing three JPG images (