Malware

Pierluigi Paganini February 08, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 83

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter ClawHavoc: 341 Malicious Clawed Skills Found by the Bot They Were Targeting   ù APT28 Leverages CVE-2026-21509 in Operation Neusploit Amaranth-Dragon: Weaponizing CVE-2025-8088 for Targeted Espionage in the Southeast Asia   Analyzing Dead#Vax: Analyzing Multi-Stage VHD […]

Pierluigi Paganini February 08, 2026
DKnife toolkit abuses routers to spy and deliver malware since 2019

DKnife is a Linux toolkit used since 2019 to hijack router traffic and deliver malware in cyber-espionage attacks. Cisco Talos found DKnife, a powerful Linux toolkit that threat actors use to spy on and control network traffic through routers and edge devices. It inspects and alters data in transit and installs malware on PCs, phones, […]

Pierluigi Paganini February 07, 2026
Italian university La Sapienza still offline to mitigate recent cyber attack

Rome’s La Sapienza University was hit by a cyberattack that disrupted IT systems and caused widespread operational issues. Since February 2, Rome’s La Sapienza University, one of the most important Italian universities, has been offline due to a cyberattack. For days, students have been unable to book exams, check tuition payments, or access faculty contacts. […]

Pierluigi Paganini February 05, 2026
China-linked Amaranth-Dragon hackers target Southeast Asian governments in 2025

China-linked hackers tracked as Amaranth-Dragon targeted government and law enforcement agencies across Southeast Asia in 2025. CheckPoint says China-linked threat actors, tracked as Amaranth-Dragon, carried out cyber-espionage campaigns in 2025 targeting government and law enforcement agencies across Southeast Asia. The activity is linked to the APT41 ecosystem and affected countries including Thailand, Indonesia, Singapore, and […]

Pierluigi Paganini February 04, 2026
CVE-2025-22225 in VMware ESXi now used in active ransomware attacks

Ransomware groups now exploit VMware ESXi vulnerability CVE-2025-22225, patched by Broadcom in March 2025. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirms that ransomware gangs are exploiting the VMware ESXi sandbox escape flaw CVE-2025-22225. The vulnerability is an arbitrary write issue in VMware ESXi. An attackers with privileges within the VMX process may trigger an arbitrary […]

Pierluigi Paganini February 04, 2026
Microsoft: Info-Stealing malware expands from Windows to macOS

Microsoft warns info-stealing attacks are expanding from Windows to macOS, using cross-platform languages like Python and abusing trusted platforms. Microsoft warns info-stealing attacks are rapidly expanding from Windows to macOS, using cross-platform languages like Python and abusing trusted platforms. Since late 2025, Microsoft has seen a surge in macOS infostealer attacks using social engineering, fake […]

Pierluigi Paganini February 03, 2026
APT28 exploits Microsoft Office flaw in Operation Neusploit

Russia-linked APT28 is behind Operation Neusploit, exploiting a newly disclosed Microsoft Office vulnerability in targeted attacks. Russia-linked group APT28 (aka UAC-0001, aka Fancy Bear, Pawn Storm, Sofacy Group, Sednit, BlueDelta, and STRONTIUM) is behind Operation Neusploit, a campaign that exploits a newly disclosed Microsoft Office vulnerability. The APT28 group has been active since at least 2007 and it has targeted governments, militaries, and security organizations […]

Pierluigi Paganini February 03, 2026
Notepad++ infrastructure hack likely tied to China-nexus APT Lotus Blossom

Rapid7 researchers say the Notepad++ hosting breach is likely linked to the China-nexus Lotus Blossom APT group. Recently, the Notepad++ maintainer revealed that nation-state hackers compromised the hosting provider’s infrastructure, redirecting update traffic to malicious servers. The attack did not exploit flaws in Notepad++ code but intercepted updates before they reached users. “According to the […]

Pierluigi Paganini February 02, 2026
MoltBot Skills exploited to distribute 400+ malware packages in days

Over 400 malicious OpenClaw packages were uploaded in days, using MoltBot skills to spread password-stealing malware. Researchers uncovered a large malware campaign abusing AI skills for Claude Code and Moltbot users. Between late January and early February 2026, more than 400 malicious skills were published on ClawHub and GitHub, posing as crypto trading tools. OpenClaw […]

Pierluigi Paganini January 29, 2026
Google targets IPIDEA in crackdown on global residential proxy networks

Google disrupted IPIDEA, a major residential proxy network that enrolled users’ devices via SDKs embedded in mobile and desktop apps. Google and partners disrupted the IPIDEA residential proxy network, used by many threat actors, via legal domain takedowns, intelligence sharing on malicious SDKs, and ecosystem-wide enforcement. Google Play Protect now removes and blocks apps with […]