Malware

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 […]

Pierluigi Paganini June 02, 2026
GoDaddy found malware on 1,980 WordPress sites using Steam as C2 infrastructure

Malware on approximately 2,000 WordPress sites hid C2 instructions in Steam profile comments using invisible Unicode. GoDaddy researchers spotted a command-and-control infrastructure for a malware campaign abusing Valve’s Steam gaming platform. The experts discovered malware on approximately 1,980 WordPress sites that fetches its instructions by reading Steam Community profile comments, where the actual payload is […]

Pierluigi Paganini June 01, 2026
Ransomware Operators Keep Business Hours. The Data Proves It

16,699 ransomware leak posts over 2 years show 84% drop Monday–Friday, peak at European afternoon hours. October spikes yearly. Someone analyzed 16,699 ransomware leak-site posts across 200 groups over two years and asked the question most threat intelligence reports dance around: when does this actually happen? The answer is mundane and useful. Ransomware runs on […]

Pierluigi Paganini May 31, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 99

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Ghost CMS Mass Compromised via CVE-2026-26980, Now Fueling ClickFix Attacks   TrapDoor Crypto Stealer Supply Chain Attack Hits 34 Packages and Hundreds of Versions Across npm, PyPI, and Crates.io   RemotePE: The Lazarus RAT that lives […]

Pierluigi Paganini May 30, 2026
Botnet of 17 Million Devices Dismantled in the Netherlands

Dutch authorities seized 200 servers running a 17-million-device botnet linked to proxy service Asocks. Dutch authorities have taken offline a massive botnet of at least 17 million devices and seized more than 200 servers at a local provider that supported the operation. Infected devices included computers, tablets, and smartphones. The action was carried out following […]

Pierluigi Paganini May 29, 2026
BTMOB RAT Gives Criminals a Point-and-Click Kit to Take Over Your Android Phone

BTMOB sells Android full-device takeover as a kit, no coding needed. It steals data, records screens, and hands attackers remote control for $5,000 lifetime. Most Android malware requires at least some technical competence to deploy, but the BTMOB doesn’t. The developers sell it with a built-in APK builder that lets buyers generate new malicious apps, […]

Pierluigi Paganini May 28, 2026
CVE-2026-35616: FortiClient EMS Flaw Actively Exploited in Malware Attacks

Threat actors are exploiting a critical FortiClient EMS flaw, tracked as CVE-2026-35616, to deploy malware on unpatched systems. Threat actors are exploiting a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS score of 9.1), that allows remote code execution without authentication. Fortinet released fixes in April after confirming zero-day attacks in the wild and urged […]

Pierluigi Paganini May 27, 2026
How cybersecurity firms took down Glassworm botnet in one shot

Glassworm infected developers through poisoned tools and packages until a coordinated takedown killed all four of its C2 channels at once. On May 26, 2026, at 14:00 UTC, CrowdStrike Counter Adversary Operations team, working with Google and the Shadowserver Foundation, killed all four command-and-control channels of the Glassworm botnet at the same time. The timing […]

Pierluigi Paganini May 26, 2026
The Hidden Ransomware Economy Running on Exposed Databases

A 5-year study on the Ransomware Economy found that 30,515 exposed databases were hit by ransom attacks, causing massive damage despite victims never paying. Database extortion doesn’t look like the ransomware stories that usually grab headlines. There’s no slick branding, no leak-site countdown, no gang posting memes on Telegram. In most cases, there’s just a […]