malware

Pierluigi Paganini June 15, 2026
Infostealers, AI, and a 90% Affiliate Cut Fuel The Gentlemen group’s Rise

The Gentlemen ransomware used infostealer credentials, AI tools, and affiliates to hit 483 victims across 66 countries in under a year. The Gentlemen surfaced as a ransomware operation in September 2025 and by June 13, 2026 had listed 483 victims on their dark-web leak site, 380 of them in 2026 alone. That makes them the […]

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 07, 2026
Security Affairs newsletter Round 580 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. U.S. CISA adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog Report: Anthropic Deploys Engineers […]

Pierluigi Paganini June 03, 2026
Cyber espionage campaign targeted stock exchange executive’s Outlook account

Attackers spent five months silently stealing emails from a stock exchange executive’s Outlook account in a suspected espionage operation. A threat actor quietly sat inside a senior executive’s Outlook account at a major global stock exchange for roughly 150 days, from October 2025 to March 2026. Broadcom’s Symantec and Carbon Black threat-hunting team investigated the […]