Malware

Pierluigi Paganini July 31, 2026
South Korea Warns of State-Backed Watering Hole Attacks

South Korea warned that nation-state actors are using phishing and compromised websites to silently infect citizens and businesses. South Korea agencies (The National Intelligence Service, the National Police Agency, the Korea Internet & Security Agency, and the Financial Security Institute) jointly published an advisory warning that a state-backed hacking group is actively targeting South Korean […]

Pierluigi Paganini July 31, 2026
SilverFox Targets Japanese Manufacturer With Advanced ValleyRAT Campaign

SilverFox targeted a Japanese manufacturer with new DLL sideloading techniques, kernel drivers, and resilient ValleyRAT persistence mechanisms. Cato CTRL documented a new SilverFox campaign targeting a Japanese industrial manufacturer. The attack chain adds two previously undocumented DLL-sideloading hosts, two kernel drivers not previously associated with SilverFox, and a dual-layer recovery architecture that keeps ValleyRAT running […]

Pierluigi Paganini July 30, 2026
Researchers Expose Flying Eagle Criminal Ecosystem Behind Fake Chinese Police App

Researchers linked the Flying Eagle Android RAT to fake police apps, uncovering 170 servers in a growing cybercrime ecosystem. Hunt.io researchers and independent journalist NetAskari started with a fraudulent Android app impersonating a Chinese Provincial Public Security Bureau service and ended up mapping a sprawling criminal ecosystem built around a leaked Android RAT framework called […]

Pierluigi Paganini July 28, 2026
Dysphoria Botnet Uses Blockchain Domains to Hide C2 Infrastructure

Researchers uncovered the 200,000-device Dysphoria botnet, which uses Ethereum and Solana domains to hide its command servers. QiAnXin XLab, jointly with China’s CNCERT, disclosed Dysphoria, a botnet that has compromised roughly 200,000 devices worldwide and uses Ethereum and Solana blockchain domain names to hide its command infrastructure. The botnet evolved from jackskid and fbot malware […]

Pierluigi Paganini July 28, 2026
New Crypter-as-a-Service Cruciferra Fuels Stealthy Malware Attacks Worldwide

Proofpoint uncovered Cruciferra, a crypter-as-a-service that helps hackers evade antivirus and deliver malware in multiple campaigns. Proofpoint’s research team traced a wave of income-tax-themed lures targeting Indian taxpayers, tax professionals, and corporate finance teams back to a crypter service called Cruciferra, and the tool turns out to be shared infrastructure used across multiple unrelated criminal […]

Pierluigi Paganini July 27, 2026
MedusaHVNC Trojan Creates Hidden Desktops to Hijack Browsers and Steal Data

MedusaHVNC RAT uses hidden Windows desktops to remotely control browsers, steal data, and evade detection through legitimate system features. Windows has always supported hidden desktops as a legitimate feature, useful for specialized software that needs a workspace the user never touches. It’s a niche capability most people never think about, buried deep in how the […]

Pierluigi Paganini July 27, 2026
LockBit5 and Qilin Lead Ransomware Attacks Against Italian Organizations

A new report links 148 ransomware attacks to Italian organizations in H1 2026, with manufacturing the most targeted sector. Six months, 148 confirmed ransomware claims against Italian targets, and one sector taking the brunt of it. That’s the headline number from a new semi-annual tracker compiled by ransomNews under its RedACT project, which pulls together […]

Pierluigi Paganini July 26, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 107

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter UAC-0145 Primary Compromise Vectors as of July 2026   SleeperGem: Compromised git_credential_manager, Dendreo, and fastlane RubyGems Drop a Persistent Backdoor   AgentBaiting: How 800+ Fake AI Skills and MCP Servers Delivered Malware   Chaos ransomware’s msaRAT: Living […]

Pierluigi Paganini July 24, 2026
Thailand’s Ministry of Finance Targeted With Hermes AI Agent Running Unattended, Hades Implant Staged

Hunt.io uncovered a cyber-espionage attack on Thailand’s Finance Ministry using Hermes AI agent and Hades malware for reconnaissance and persistence. Researchers at Hunt.io have uncovered an intrusion targeting Thailand’s Ministry of Finance that offers a rare look inside a live cyber-espionage operation. Instead of recovering malware after the fact, the team found exposed staging servers […]

Pierluigi Paganini July 24, 2026
UAC-0099 Is Now Hiding Malware Inside a Fake Notepad++ Plugin to Target Ukrainian Organizations

UAC-0099 delivers malware via a fake Notepad++ plugin after phishing, using a loader that sabotages itself if run without the correct arguments to hinder analysis. CERT-UA published a new advisory attributing a phishing campaign to UAC-0099, a Russia-aligned threat actor active since at least mid-2022 and previously known for exploiting WinRAR vulnerabilities and using phishing […]