malware

Pierluigi Paganini January 27, 2026
Amnesia RAT deployed in multi-stage phishing attacks against Russian users

A multi-stage phishing campaign targets users in Russia with ransomware and Amnesia RAT using fake business documents as lures. FortiGuard Labs researchers uncovered a multi-stage malware campaign mainly targeting users in Russia. The attack uses fake business documents as social engineering lures to distract victims while malware runs in the background. It escalates to full […]

Pierluigi Paganini January 26, 2026
ShinyHunters claims 2 Million Crunchbase records; company confirms breach

Crunchbase confirms a data breach after cybercrime group ShinyHunters claims to have stolen over 2 million personal records. Crunchbase confirmed a data breach after the cybercriminal group ShinyHunters claimed to steal over 2 million personal records from its systems. The group leaked a 402 MB compressed archive on their website due to a failed extortion […]

Pierluigi Paganini January 26, 2026
North Korea–linked KONNI uses AI to build stealthy malware tooling

Check Point links an active phishing campaign to North Korea–aligned KONNI, targeting developers with fake blockchain project docs and using an AI-written PowerShell backdoor. Check Point Research uncovered an active phishing campaign attributed to the North Korea–linked KONNI group (aka Kimsuky, Earth Imp, TA406, Thallium, Vedalia, and Velvet Chollima). The operation targets software developers and engineers using fake project […]

Pierluigi Paganini January 25, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 81

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter UNO reverse card: stealing cookies from cookie stealers  PDFSIDER Malware – Exploitation of DLL Side-Loading for AV and EDR Evasion   VoidLink: Evidence That the Era of Advanced AI-Generated Malware Has Begun  PyPI Package Impersonates […]

Pierluigi Paganini January 25, 2026
Security Affairs newsletter Round 560 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. Osiris ransomware emerges, leveraging BYOVD technique to kill security tools U.S. CISA adds a flaw in […]

Pierluigi Paganini January 24, 2026
Osiris ransomware emerges, leveraging BYOVD technique to kill security tools

Researchers identified a new Osiris ransomware used in a November 2025 attack, abusing the POORTRY driver via BYOVD to disable security tools. Symantec and Carbon Black researchers uncovered a new ransomware strain named Osiris, used in a November 2025 attack against a major Southeast Asian food service franchise operator. The attackers deployed a malicious driver, […]

Pierluigi Paganini January 23, 2026
Investigation underway after 72M Under Armour records surface online

Under Armour is investigating a data breach after 72M customer records were posted online by a cybercriminal. Under Armour is an American company that designs, manufactures, and sells sportswear, athletic shoes, and fitness-related accessories. TechCrunch reported that Under Armour is investigating a data breach after 72M customer records were posted online. The stolen data, linked […]

Pierluigi Paganini January 22, 2026
Machine learning–powered Android Trojans bypass script-based Ad Click detection

A new Android click-fraud trojan family uses TensorFlow ML to visually detect and tap ads, bypassing traditional script-based click techniques. Researchers at cybersecurity firm Dr.Web discovered a new Android click-fraud trojan family that uses TensorFlow.js ML models to visually detect and tap ads, avoiding traditional script-based methods. The malware is distributed via Xiaomi’s GetApps, it […]

Pierluigi Paganini January 21, 2026
VoidLink shows how one developer used AI to build a powerful Linux malware

VoidLink is a cloud-focused Linux malware, likely built by one person using AI, offering loaders, implants, rootkit evasion, and modular plugins. Check Point researchers uncovered VoidLink, a cloud-focused Linux malware framework likely built by a single developer with help from an AI model. VoidLink includes custom loaders, implants, rootkit-based evasion features, and dozens of plugins […]

Pierluigi Paganini January 20, 2026
PDFSIDER Malware – Exploitation of DLL Side-Loading for AV and EDR Evasion

Threat actors use PDFSIDER malware with social engineering and DLL sideloading to bypass AV/EDR, and ransomware gangs already abuse it. Resecurity has learned about PDFSIDER during an investigation of a network intrusion attempt that was successfully prevented by a Fortune 100 energy corporation. The threat actor contacted their staff, impersonating technical support, and used social […]