Dissecting a PHP web server rootkit

SophosLabs recently acquired a Linux implant associated with compromised BIG-IP Access Policy Management (APM) environments that use Apache and PHP components. The malware demonstrates advanced techniques including custom ELF loading, function hooking, and runtime code patching to evade detection while Read More …

Mirage Kitten targeting aviation and FinTech sectors across the Middle East and Africa with a new malware set

While monitoring Mirage Kitten activity, Kaspersky researchers uncovered a previously undocumented malware family that we dubbed NodeRabbit. The researchers identified the first sample on a system in Afghanistan. Further threat hunting revealed two additional, more advanced, variants: one on a Read More …

Another major Linux security flaw revealed — nine-year old issue could spell disaster for users

Security researchers Qualys discovered a major flaw in the Linux operating system (OS) that could let any ordinary user, or malicious actor, gain full admin access on vulnerable endpoints. This bug lingered in Linux systems since 2016, and affects the default installations of several Read More …

Another major Linux security issue uncovered – new Fragnesia flaw allows attackers to run malicious code as root

Security researchers have discovered a new vulnerability in the Linux kernel which could allow malicious actors to run code with elevated privileges, exposing systems to risk of data theft, malware deployment, and even full device takeover. The vulnerability is tracked Read More …

‘Dirty Frag’ Linux flaw one-ups CopyFail with no patches and public root exploit

Broken disclosure embargo left admins facing a fresh root-level flaw with no CVE A fresh Linux privilege escalation bug dubbed “Dirty Frag” has dropped into the wild with no patches, no CVE, and a public exploit that hands attackers root Read More …

Quasar Linux (QLNX) – Inside a Full-Featured Linux RAT

In previous research, Trend Micro have demonstrated how AI can be used to improve detection accuracy when new malware families emerge, particularly those that reuse or share code from open-source repositories. In this blog entry, Trends Micro researchers present another Read More …

Pro-Iran crew turns DDoS into shakedown as Ubuntu com stays down

Canonical says its web infrastructure is under attack after a pro-Iran hacktivist group instructed its members to target the open source giant. “I can confirm that Canonical’s web infrastructure is under a sustained, cross-border Distributed Denial of Service (DDoS) attack” Read More …

Copy Fail vulnerability allows attackers to gain root access on virtually any modern Linux distribution

A working exploit written in Python (later released in other programming languages as well) consists of about ten lines of code and uses standard system calls that are indistinguishable from normal system activity. Kaspersky explain what the CVE-2026-31431 vulnerability, unofficially Read More …

North Korea-Nexus Threat Actor Compromises Widely Used Axios NPM Package in Supply Chain Attack

Google Threat Intelligence Group (GTIG) is tracking an active software supply chain attack targeting the popular Node Package Manager (NPM) package “axios.” Between March 31, 2026, 00:21 and 03:20 UTC, an attacker introduced a malicious dependency named “plain-crypto-js” into axios Read More …