Malware


NEWS 
  • CMS Sitecore patches critical zero-day flaw

    September 5, 2025

    Popular CMS platform Sitecore has patched a critical zero-day vulnerability found to be being abused in cyberattacks. Security researchers from Mandiant observed threat actors exploiting a zero-day flaw to deploy malware, as well as other legitimate software. The flaw stemmed from the use of sample ASP.NET machine keys published in old deployment guides (pre-2017), and is ...

  • An Earth-Shattering Kaboom: Bringing a Physical ICS Penetration Testing Environment to Life (Part 2)

    September 2, 2025

    This is the second in a three-part series on building and using a testing bench for Industrial Control Systems (ICS). In this series, Rapi7 researchers will build a physical test bench, review program logic to find flaws, perform manual exploitation of commonly used ICS protocols such as Modbus, then develop malware to automatically exploit the bench ...

  • Hackers are now hiding malware in the images served up by LLMs

    August 31, 2025

    As AI tools become more integrated into daily work, the security risks attached to them are also evolving in new directions. Researchers at Trail of Bits have demonstrated a method where malicious prompts are hidden inside images and then revealed during processing by large language models. The technique takes advantage of how AI platforms downscale images ...

  • TAOTH Campaign Exploits End-of-Support Software to Target Traditional Chinese Users and Dissidents

    August 28, 2025

    In June, Terend Micro researchers identified and investigated an unusual security incident involving the installation of two malware families, C6DOOR and GTELAM, on a victim’s host. Trend Micro investigation determined that the malware was delivered through a legitimate input method editor (IME) software, Sogou Zhuyin. As brief explanation, an IME is a tool that interprets sequences ...

  • Deception in Depth: PRC-nexus espionage campaign hijacks web traffic to target diplomats

    August 25, 2025

    This blog post presents Google Threat Intelligence Group (GTIG) findings and analysis of this espionage campaign, as well as the evolution of the threat actor’s operational capabilities. GTIG examine how the malware is delivered, how the threat actor utilized social engineering and evasion techniques, and technical aspects of the multi-stage malware payloads. In this campaign, the ...

  • The Resurgence of IoT Malware: Inside the Mirai-Based Botnet Campaign

    August 22, 2025

    Over the past year, FortiGuard Labs has been tracking a stealthy malware strain exploiting a range of vulnerabilities to infiltrate systems. Initially disclosed by a Chinese cybersecurity firm under the name “Gayfemboy.” The malware resurfaced this past July with new activity, this time targeting vulnerabilities in products from vendors such as DrayTek, TP-Link, Raisecom, and Cisco, ...

  • A clever new Linux malware is breaking into systems and then shutting the door behind it to avoid detection

    August 19, 2025

    A hacker was recently spotted patching someone’s vulnerable cloud Linux instance – but they did not do it out of the goodness of their heart. Security researchers Red Canary observed a threat actor abusing a maximum severity flaw, tracked as CVE-2023-46604, to break into a cloud Linux system. The vulnerability is found in Apache ActiveMQ, and ...

  • GodRAT – New RAT targeting financial institutions

    August 19, 2025

    In September 2024, Kaspersky researchers detected malicious activity targeting financial (trading and brokerage) firms through the distribution of malicious .scr (screen saver) files disguised as financial documents via Skype messenger. The threat actor deployed a newly identified Remote Access Trojan (RAT) named GodRAT, which is based on the Gh0st RAT codebase. To evade detection, the attackers ...

  • Evolution of the PipeMagic backdoor: from the RansomExx incident to CVE-2025-29824

    August 18, 2025

    In April 2025, Microsoft patched 121 vulnerabilities in its products. According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824. The exploit for this vulnerability was executed by the PipeMagic malware, which Kaspersky researchers first discovered in December 2022 in a RansomExx ransomware campaign. ...

  • New Ransomware Charon Uses Earth Baxia APT Techniques to Target Enterprises

    August 12, 2025

    Trend Micro researchers recently identified a new ransomware family called Charon, deployed in a targeted attack observed in the Middle East’s public sector and aviation industry. The threat actor employed a DLL sideloading technique notably similar to tactics previously documented in the Earth Baxia campaigns, which have historically targeted government sectors. The attack chain leveraged a ...