Tag: javascript malware
9 articles
Malicious Claude Code Extension Targets 5,000 Developers with SSH Backdoor
A malicious version of the popular Claude Code extension was compromised, putting 5,000 developers at risk of a persistent SSH backdoor malware that was served from a trusted VS Code marketplace for nearly 11 hours. The sneaky malware was cleverly hidden in a JavaScript loader, allowing it to execute immediately without requiring any user interaction.
Magento Sites Compromised by Advanced Scanner-Evading Malware
A sneaky malware attack has hit 953 online stores, mostly running on Magento, with a clever JavaScript loader that can tell real customers from automated security scanners - and gives scanners the cold shoulder. This stealthy campaign has been active since July 2025, quietly evading detection and putting unsuspecting shoppers at risk.
Magento Sites Compromised by JavaScript Malware Campaign
A massive JavaScript malware campaign has compromised 953 online stores, primarily running Magento, since July 2025, according to a recent report by Sansec. This sneaky threat has been hiding in plain sight for over a year, using five distinct loader domains to evade detection.
KREMLIN Malware Targets Chrome, Edge to Steal Credentials
Researchers uncovered a sneaky malware operation, dubbed KREMLIN, that's been targeting Chrome and Edge users since May 2025, infecting over 1,515 systems worldwide, with a staggering 98% of them located in Brazil. The malware uses a clever multi-stage attack to steal credentials, starting with a fake JavaScript file that tricks victims into unleashing the threat.
Phishing Campaign Exploits Font File to Deploy Lua Loader
Beware of a sneaky phishing campaign that's using cleverly disguised font files to deploy a powerful Lua Loader - a stark reminder that security controls can't always trust a file's extension. A recent Fortinet analysis reveals the tactics used by attackers to hide malicious JavaScript payloads in seemingly harmless archives.
Malware Developers Embed Deceptive Code to Evade AI Analysis
Malware developers are getting sneaky, hiding deceptive code in their spyware to throw off AI analysis - and it's working, with one developer adding text about nuclear and biological weapons to their malicious software. This clever trickery tricks AI systems into ignoring the real threat.
OptinMonster Plugin Compromised in Supply-Chain Attack
A critical security breach has hit the popular OptinMonster plugin, used by over 1.2 million websites, which delivered malicious JavaScript to unsuspecting users via a compromised content distribution network. The attack, detected by ecommerce security firm Sansec, injected harmful code into websites for a brief but perilous window of time.
PureLogs Infostealer Exploits Purchase Order Phishing Lures
Beware of purchase order phishing scams that can deliver a powerful infostealer, capable of stealing sensitive credentials and cryptocurrency keys, via a simple yet cleverly disguised email with a malicious RAR attachment. Even security software can be fooled, as one campaign was only flagged as a threat after it was already sent.
Malicious PyTorch Lightning Package Exploits Supply Chain to Steal Credentials
A malicious version of the popular PyTorch Lightning package, downloaded over 11 million times, was found to contain a stealthy backdoor that steals credentials by silently executing a heavily obfuscated JavaScript payload. The compromised package, version 2.6.3, triggers the malicious routine automatically when imported, putting users at risk.