LockBit 5.0 ransomware expands its reach across Windows, Linux, and ESXi

The Acronis Threat Research Unit (TRU) has identified a new and significantly enhanced version of the LockBit ransomware, LockBit 5.0, currently being deployed in active campaigns. The latest variant demonstrates expanded cross-platform capabilities, e…

Microsoft alerts on DNS-based ClickFix variant delivering malware via nslookup

Microsoft warns of a new ClickFix variant that tricks users into running DNS commands to fetch malware via nslookup. Microsoft has revealed a new ClickFix variant that deceives users into running a malicious nslookup command through the Windows Run dialog to retrieve a second-stage payload via DNS. ClickFix typically uses fake CAPTCHA or error messages […]

The Promptware Kill Chain

The promptware kill chain: initial access, privilege escalation, reconnaissance, persistence, command & control, lateral movement, action on objective

Attacks against modern generative artificial intelligence (AI) large language models (LLMs) pose a real threat. Yet discussions around these attacks and their potential defenses are dangerously myopic. The dominant narrative focuses on “prompt injection,” a set of techniques to embed instructions into inputs to LLM intended to perform malicious activity. This term suggests a simple, singular vulnerability. This framing obscures a more complex and dangerous reality. Attacks on LLM-based systems have evolved into a distinct class of malware execution mechanisms, which we term “promptware.” In a …

Malicious npm and PyPI packages linked to Lazarus APT fake recruiter campaign

Researchers found malicious npm and PyPI packages tied to a fake recruitment campaign linked to North Korea’s Lazarus Group. ReversingLabs researcher uncovered new malicious packages on npm and PyPI connected to a fake job recruitment campaign attributed to the North Korea-linked Lazarus Group. The campaign uses deceptive hiring themes to trick developers into downloading infected […]

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 84

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Stan Ghouls targeting Russia and Uzbekistan with NetSupport RAT Breaking Down ZeroDayRAT – New Spyware Targeting Android and iOS Old-School IRC, New Victims: Inside the Newly Discovered SSHStalker Linux Botnet   Reynolds: Defense Evasion Capability […]

Security Affairs newsletter Round 563 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. Fintech firm Figure disclosed data breach after employee phishing attack U.S. CISA adds a flaw in […]

Suspected Russian hackers deploy CANFAIL malware against Ukraine

A new alleged Russia-linked APT group targeted Ukrainian defense, government, and energy groups, with CANFAIL malware. Google Threat Intelligence Group identified a previously undocumented threat actor behind attacks on Ukrainian organizations using CANFAIL malware. The group is possibly linked to Russian intelligence services and has targeted defense, military, government, and energy entities at both regional […]