Malware

Pierluigi Paganini June 15, 2026
Supply Chain Attack Hits Popular WordPress Plugins Through Awesome Motive CDN

Attackers compromised Awesome Motive CDN files, backdooring WordPress sites running OptinMonster, TrustPulse, and PushEngage. Sansec researchers discovered an active supply chain attack hitting WordPress sites running OptinMonster, TrustPulse, and PushEngage, three plugins operated by Awesome Motive, one of the largest WordPress plugin companies in the world. The malicious JavaScript wasn’t sitting on any victim’s server. […]

Pierluigi Paganini June 14, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 101

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter IronWorm: Shai-Hulud’s rustier cousin Trojanized ai-sdk-ollama Delivers Miasma, a Self-Replicating npm Worm via binding.gyp  Inside the Cross-Platform Propagation of a New Gafgyt Variant C0XMO  Using AI Agents to Analyze Malware on REMnux   The Miasma […]

Pierluigi Paganini June 11, 2026
OnyxC2 Malware-as-a-Service Offers Enterprise-Grade Data Theft

OnyxC2 is a MaaS stealer targeting 210+ apps, using DLL sideloading, encrypted payloads, and remote access features to evade detection. OnyxC2 appeared on a cybercrime forum earlier this year and is sold as a subscription service: $250 per month for the standard build, $500 for the premium tier that includes HVNC, and $6,000 for an […]

Pierluigi Paganini June 11, 2026
JDY Botnet Evolves After KV Takedown, Targets Military Networks

JDY botnet scans SOHO/IoT devices globally to map services and targets, especially US military networks. Lumen’s Black Lotus Labs reported the resurgence of the JDY botnet, a covert reconnaissance network tied to Chinese state-sponsored hacking groups including Volt Typhoon. The network was first spotted in late 2023 as a cluster inside KV-botnet. The U.S. government […]

Pierluigi Paganini June 10, 2026
“AI Worms”, researchers demonstrate autonomous malware capable of adapting to any online device

A study by the University of Toronto shows how artificial intelligence can power autonomous worms capable of tailoring attacks against Windows, Linux and IoT devices. A group of researchers from the University of Toronto has demonstrated how open-source artificial intelligence models can be used to create a new category of computer worms capable of autonomously […]

Pierluigi Paganini June 09, 2026
Miasma Worm Compromises 73 Microsoft GitHub Repositories

The Miasma worm compromised 73 Microsoft GitHub repos, spreading via AI coding tools and stealing cloud credentials from developers and CI/CD systems. A self-replicating worm called Miasma has compromised 73 Microsoft GitHub repositories and forced GitHub staff to disable them. The affected repos include core Azure infrastructure like azure-functions-host and the entire Durable Task family […]

Pierluigi Paganini June 08, 2026
IoT Botnet C0XMO Adds Competitor-Killing Capability

C0XMO is a new Gafgyt botnet variant exploiting old router flaws, spreading across IoT devices, killing rivals, and enabling large-scale DDoS attacks. In March 2026, FortiGuard Labs discovered a new variant of the Gafgyt botnet, dubbed C0XMO, which is noticeably more capable than its predecessors. The malware spreads through CVE-2021-27137, a stack buffer overflow in […]

Pierluigi Paganini June 07, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 100

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Malware Targeting WordPress Abuses Steam Community Profiles for Command & Control Operations   Legitimate-Looking Codex Remote UI Secretly Steals Your AI Tokens   Operation Dragon Weave : Uncovering a China-Linked Campaign Targeting Czech Republic and Taiwan […]

Pierluigi Paganini June 04, 2026
Gamaredon Uses WinRAR Vulnerability to Launch Modular Spy Campaign on Ukrainian Targets

Gamaredon exploits a WinRAR flaw to drop modular, nearly fileless malware on Ukrainian targets, hiding payloads in Windows streams and resolving C2s via Telegram. Sekoia’s Threat Detection & Research team dropped a YARA rule in late December 2025 to hunt for new initial access vectors, and by January 2026 it had already generated a dozen […]

Pierluigi Paganini June 03, 2026
Russia’s FSB Says Foreign Spies Infected Officials’ Phones With Malware

Russia’s FSB claims foreign intelligence planted malware on senior officials’ phones to intercept calls and activate cameras. No technical evidence, no country named. On June 2, 2026, Russia’s Federal Security Service (FSB) published a statement claiming it had uncovered and documented a large-scale foreign intelligence operation targeting the mobile devices of senior Russian officials. The […]