malware

Pierluigi Paganini October 27, 2025
Linux variant of Qilin Ransomware targets Windows via remote management tools and BYOVD

Qilin ransomware group used Linux binaries on Windows to evade EDRs, steal backups, and disable defenses via BYOVD attacks. Trend Research found that the Qilin ransomware group (aka Agenda) used a Linux ransomware binary on Windows systems via legitimate remote tools, bypassing Windows defenses and EDRs. The cross-platform method enables stealthy attacks, stealing backup credentials […]

Pierluigi Paganini October 27, 2025
Wordfence blocks 8.7M attacks exploiting old GutenKit and Hunk Companion flaws

Hackers exploited old RCE flaws in WordPress GutenKit and Hunk Companion plugins. Wordfence firm blocked 8.7M attacks in two days. In September and October 2024, submissions revealed Arbitrary Plugin Installation vulnerabilities in GutenKit and Hunk Companion WordPress plugins, with 40,000 and 8,000+ installs, respectively. These flaws allow unauthenticated attackers to install plugins and achieve RCE. […]

Pierluigi Paganini October 26, 2025
Safepay ransomware group claims the hack of professional video surveillance provider Xortec

Safepay group claims the hack of professional video surveillance provider Xortec and added the company to its data leak site. The Safepay group claimed responsibility for hacking German video surveillance provider Xortec and listed the company on its data leak site. The ransomware payment deadline is October 27, 2025. Xortec GmbH, based in Frankfurt with […]

Pierluigi Paganini October 26, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 68

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter TikTok videos continue to push infostealers in ClickFix attacks 131 Spamware Extensions Targeting WhatsApp Flood Chrome Web Store  Salty Much: Darktrace’s view on a recent Salt Typhoon intrusion   Shifts in the Underground: The Impact […]

Pierluigi Paganini October 23, 2025
Lazarus targets European defense firms in UAV-themed Operation DreamJob

North Korean Lazarus hackers targeted 3 European defense firms via Operation DreamJob, using fake recruitment lures to hit UAV tech staff. North Korea-linked Lazarus APT group (aka Hidden Cobra) launched Operation DreamJob, compromising three European defense companies. Threat actors used fake recruiter profiles to lure employees into UAV technology roles, aiming to gain access to […]

Pierluigi Paganini October 22, 2025
PhantomCaptcha targets Ukraine relief groups with WebSocket RAT in October 2025

PhantomCaptcha phishing campaign hit Ukraine relief groups with a WebSocket RAT on Oct 8, 2025, targeting Red Cross, UNICEF, and others. SentinelOne researchers uncovered PhantomCaptcha, a coordinated spear-phishing campaign on October 8, 2025, targeting Ukraine war relief groups, including Red Cross, UNICEF, NRC, and local administrations. Threat actors used fake emails to deploy a WebSocket-based […]

Pierluigi Paganini October 21, 2025
China-Linked Salt Typhoon breaches European Telecom via Citrix exploit

China-linked Salt Typhoon hacked a European telecom in July 2025 via a Citrix NetScaler Gateway exploit for initial access. A European telecom firm was targeted in July 2025 by China-linked APT group Salt Typhoon (also known as Earth Estries, FamousSparrow, GhostEmperor, UNC5807, RedMike)), which exploited a Citrix NetScaler Gateway to gain initial access. In late […]

Pierluigi Paganini October 20, 2025
CAPI Backdoor targets Russia’s auto and e-commerce sectors

A new campaign targets Russia’s auto and e-commerce sectors using a previously unknown .NET malware called CAPI Backdoor. Cybersecurity researchers at Seqrite Labs uncovered a new campaign, tracked as Operation MotorBeacon, that targeted the Russian automobile and e-commerce sectors with a previously unknown .NET malware dubbed CAPI Backdoor. “SEQRITE Labs Research Team has recently uncovered a […]

Pierluigi Paganini October 19, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 67

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Astaroth: Banking Trojan Abusing GitHub for Resilience  North Korea’s Contagious Interview Campaign Escalates: 338 Malicious npm Packages, 50,000 Downloads New Rust Malware “ChaosBot” Uses Discord for Command and Control  Weaponizing Discord for Command and […]

Pierluigi Paganini October 19, 2025
Security Affairs newsletter Round 546 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. Winos 4.0 hackers expand to Japan and Malaysia with new malware From Airport chaos to cyber […]