malware

Pierluigi Paganini April 20, 2026
CVE-2023-33538 under attack for a year, but exploitation still unsuccessful

Hackers have targeted CVE-2023-33538 flaw in old TP-Link routers for a year, but no successful exploitation has been seen so far. Hackers have been trying for over a year to exploit a serious flaw, tracked as CVE-2023-33538 (CVSS score of 8.8), in outdated TP-Link routers, but so far without success. The vulnerability is a command […]

Pierluigi Paganini April 19, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 93

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape CPU-Z / HWMonitor watering hole infection – a copy-pasted attack   Fake Claude site installs malware that gives attackers access to your computer   Malware Analysis Static SKILL for Codex   JanelaRAT: a financial threat targeting users in Latin […]

Pierluigi Paganini April 19, 2026
Security Affairs newsletter Round 573 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has 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. Hidden VMs: how hackers leverage QEMU to stealthily steal data and spread malware Nexcorium Mirai variant […]

Pierluigi Paganini April 18, 2026
Hidden VMs: how hackers leverage QEMU to stealthily steal data and spread malware

Attackers abuse QEMU to hide malware in virtual machines, bypass detection, steal data, and deploy ransomware without leaving any trace. Sophos researchers report a rise in attackers abusing QEMU, an open-source emulator, to hide malicious activity inside virtual machines. By running malware in a VM, attackers avoid endpoint security controls and leave minimal traces on […]

Pierluigi Paganini April 18, 2026
Nexcorium Mirai variant exploits TBK DVR flaw to launch DDoS attacks

A Mirai variant called Nexcorium exploits a flaw in TBK DVRs to infect devices and use them in DDoS attacks, along with outdated TP-Link routers. Fortinet researchers found that threat actors are exploiting vulnerabilities in TBK DVRs and end-of-life TP-Link routers to spread a Mirai variant called Nexcorium. “IoT devices are increasingly prime targets for […]

Pierluigi Paganini April 17, 2026
Inside ZionSiphon: politically driven malware aims at Israeli water systems

New ZionSiphon malware targets water systems, and allows attackers to alter pressure and chlorine levels. A flaw makes it ineffective for now. Darktrace analyzed ZionSiphon, a new malware designed to target water treatment and desalination systems, which aims to disrupt operations by altering hydraulic pressure and increasing chlorine levels to unsafe levels. The malware combines […]

Pierluigi Paganini April 16, 2026
Cookeville Regional Medical Center hospital data breach impacts 337,917 people

A ransomware attack on Cookeville Regional Medical Center hospital (Tennessee) exposed data of 337,000 people after hackers stole 500GB of sensitive information from its systems. A ransomware attack on Cookeville Regional Medical Center (CRMC) in Tennessee led to a major data breach affecting about 337,000 people. The attack, carried out by the Rhysida group, involved […]

Pierluigi Paganini April 16, 2026
From clinics to government: UAC-0247 expands cyber campaign across Ukraine

CERT-UA reports UAC-0247 targeting Ukrainian clinics and government bodies with malware stealing data from Chromium browsers and WhatsApp. CERT-UA has revealed a cyber campaign by the threat actor UAC-0247 targeting Ukrainian government entities and municipal healthcare facilities, including clinics and emergency hospitals. The operation between March and April 2026, used malware designed to steal sensitive […]

Pierluigi Paganini April 15, 2026
Mirax malware campaign hits 220K accounts, enables full remote control

Mirax, a new Android RAT, spread via Meta ads, infected 220,000 users and turns devices into SOCKS5 proxies, giving attackers full remote control. Mirax is a new Android remote access trojan spreading through ads on Meta platforms, targeting mainly Spanish-speaking users and reaching over 220,000 accounts. The malicious code lets attackers fully control infected devices […]

Pierluigi Paganini April 14, 2026
Fake Claude AI installer abuses DLL sideloading to deploy PlugX

Fake Claude website impersonates Anthropic and delivers PlugX RAT via ZIP download using DLL sideloading. A fake website impersonating Anthropic’s Claude service was found distributing the PlugX remote access trojan, according to Malwarebytes. The rogue site abuses the chatbot’s popularity to trick users into downloading a ZIP archive presented as a “pro version” installer. The […]