China-linked UnsolicitedBooker APT used new backdoor MarsSnake in recent attacks

China-linked UnsolicitedBooker used a new backdoor, MarsSnake, to target an international organization in Saudi Arabia. ESET researchers revealed that a China-linked APT, tracked as UnsolicitedBooker, targeted an international organization in Saudi Arabia using a new backdoor called MarsSnake. The experts uncovered the attacks in March 2023 and again in 2024, noting that the group used […]

May 20, 2025
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Sarcoma Ransomware Unveiled: Anatomy of a Double Extortion Gang

Cybersecurity Observatory of the Unipegaso’s malware lab published a detailed analysis of the Sarcoma ransomware. It is with great pleasure and honor that I present the first report produced by the Malware Analysis Lab, led by Luigi Martire. The lab was established within the Cybersecurity Observatory of the Unipegaso University, which I have the privilege […]

May 20, 2025
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Mozilla fixed zero-days recently demonstrated at Pwn2Own Berlin 2025

Mozilla addressed two critical Firefox vulnerabilities that could be potentially exploited to access sensitive data or achieve code execution. Mozilla released security updates to fix two critical vulnerabilities in the Firefox browser that could be potentially exploited to access sensitive data or achieve code execution. “This week at the security hacking competition pwn2own, security researchers […]

May 19, 2025
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Japan passed a law allowing preemptive offensive cyber actions

Japan passed a law allowing preemptive offensive cyber actions, shifting from its pacifist stance to bolster defenses like major Western powers. Japan has enacted the Active Cyberdefense Law, allowing preemptive offensive cyber operations to counter threats before damage occurs. This marks a shift from Japan’s pacifist stance under Article 9, aiming to elevate its cyber […]

May 19, 2025
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Pwn2Own Berlin 2025: total prize money reached $1,078,750

Pwn2Own Berlin 2025 wrapped up with $383,750 awarded on the final day, pushing the total prize money to $1,078,750 over three days. On the final day of Pwn2Own Berlin 2025, participants earned $383,750 for demonstrating zero-day in VMware Workstation, ESXi, Windows, NVIDIA, and Firefox. During the competition, the participants earned a total of $1,078,750, demonstrating […]

May 19, 2025
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 45

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape PupkinStealer : A .NET-Based Info-Stealer  Interlock ransomware evolving under the radar  Technical Analysis of TransferLoader   Sophisticated NPM Attack Leveraging Unicode Steganography and Google Calendar C2   Horabot Unleashed: A Stealthy Phishing Threat High Risk Warning for Windows […]

May 18, 2025
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Security Affairs newsletter Round 524 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. US Government officials targeted with texts and AI-generated deepfake voice messages impersonating senior U.S. officials Shields up US […]

May 18, 2025
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Experts found rogue devices, including hidden cellular radios, in Chinese-made power inverters used worldwide

Chinese “kill switches” found in Chinese-made power inverters in US solar farm equipment that could let Beijing remotely disable power grids in a conflict. Investigators found “kill switches” in Chinese-made power inverters in US solar farm equipment. These hidden cellular radios could let Beijing remotely cripple power grids during a conflict. The Times reported that […]

May 18, 2025
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