Tag: malicious
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Q1 2026 Open Source Malware Index: Adaptive Attacks, Familiar Weaknesses
Tags: access, ai, api, attack, automation, cloud, credentials, crypto, data, github, guide, intelligence, kubernetes, linux, macOS, malicious, malware, open-source, pypi, risk, software, supply-chain, tactics, theft, tool, update, windows, worm<div cla TL;DR Sonatype identified 21,764 open source malware packages in Q1 2026, bringing the total logged since 2017 to 1,346,867. npm accounted for 75% of malicious packages this quarter. Trojans dominated, with most activity focused on credential theft, host reconnaissance, and staged payload delivery. The quarter’s defining pattern was trust abuse: attackers succeeded by…
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Janela RAT Spreads via Fake MSI Installers, Malicious Extensions
Janela Remote Access Trojan (RAT) campaign using fake Windows MSI installers and malicious browser extensions to infiltrate financial networks and exfiltrate sensitive data. The latest Janela RAT samples are being distributed through public GitLab repositories, where attackers host MSI installation files disguised as legitimate software installers. Unsuspecting users in Chile, Colombia, and Mexico the campaign’s primary targets are lured into downloading these…
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108 Malicious Chrome Extensions Steal Google and Telegram Data, Affecting 20,000 Users
Cybersecurity researchers have discovered a new campaign in which a cluster of 108 Google Chrome extensions has been found to communicate with the same command-and-control (C2) infrastructure with the goal of collecting user data and enabling browser-level abuse by injecting ads and arbitrary JavaScript code into every web page visited.According to Socket, the extensions are…
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OpenAI’s Mac apps need updates thanks to the Axios hack
The company said a developer tool automatically retrieved a malicious version of the popular open-source library, but insists the integrity of its systems and software were not impacted. First seen on cyberscoop.com Jump to article: cyberscoop.com/openai-axios-supply-chain-attack/
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OpenAI’s Mac apps needs an update thanks to the Axios hack
The company said a developer tool automatically retrieved a malicious version of the popular open-source library, but insists the integrity of its systems and software were not impacted. First seen on cyberscoop.com Jump to article: cyberscoop.com/openai-axios-supply-chain-attack/
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OpenAI rotates macOS certs after Axios attack hit code-signing workflow
OpenAI is rotating potentially exposed macOS code-signing certificates after a GitHub Actions workflow executed a malicious Axios package during a recent supply chain attack. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/openai-rotates-macos-certs-after-axios-attack-hit-code-signing-workflow/
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Interactive Brokers Phishing Scam: Fake IRS W-8BEN Renewal Alert
The blog describes a phishing campaign identified by Cofense that impersonates Interactive Brokers using a fake IRS W-8BEN renewal email to trick users into clicking a malicious link. The email appears legitimate but uses a suspicious sender address and directs victims to a counterfeit login page designed to steal account credentials. First seen on securityboulevard.com…
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CPUID watering hole attack spreads STX RAT malware
Threat actors compromised the CPUID website and spread STX RAT through fake CPU-Z and HWMonitor downloads. Attackers breached the website CPUID and replaced download links for CPU-Z and HWMonitor with malicious files for several hours. Users who downloaded them got infected with the STX RAT, giving attackers remote access to their systems. The short attack…
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OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident
OpenAI revealed a GitHub Actions workflow used to sign its macOS apps, which downloaded the malicious Axios library on March 31, but noted that no user data or internal system was compromised.”Out of an abundance of caution, we are taking steps to protect the process that certifies our macOS applications are legitimate OpenAI apps,” OpenAI…
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Adobe fixes actively exploited Acrobat Reader flaw CVE-2026-34621
Adobe addressed a critical Acrobat Reader vulnerability, tracked as CVE-2026-34621, which is actively exploited to run malicious code. Adobe released emergency updates to address a critical vulnerability, tracked as CVE-2026-34621 (CVSS score of 8.6), in Adobe Acrobat Reader, which is being actively exploited. The flaw could allow attackers to execute malicious code on affected systems,…
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Adobe fixes actively exploited Acrobat Reader flaw CVE-2026-34621
Adobe addressed a critical Acrobat Reader vulnerability, tracked as CVE-2026-34621, which is actively exploited to run malicious code. Adobe released emergency updates to address a critical vulnerability, tracked as CVE-2026-34621 (CVSS score of 8.6), in Adobe Acrobat Reader, which is being actively exploited. The flaw could allow attackers to execute malicious code on affected systems,…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 92
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Thirty-Six Malicious npm Strapi Packages Deploy Redis RCE, Database Theft, and Persistent C2 Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group) Hackers Are Attempting to Turn ComfyUI Servers Into a…
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CPUID Breach Distributes STX RAT via Trojanized CPU-Z and HWMonitor Downloads
Unknown threat actors compromised CPUID (“cpuid[.]com”), a website that hosts popular hardware monitoring tools like CPU-Z, HWMonitor, HWMonitor Pro, and PerfMonitor, for less than 24 hours to serve malicious executables for the software and deploy a remote access trojan called STX RAT.The incident lasted from approximately April 9, 15:00 UTC, to about April 10, 10:00…
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Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621
Adobe has released emergency updates to fix a critical security flaw in Acrobat Reader that has come under active exploitation in the wild.The vulnerability, assigned the CVE identifier CVE-2026-34621, carries a CVSS score of 8.6 out of 10.0. Successful exploitation of the flaw could allow an attacker to run malicious code on affected installations.It has…
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GlassWorm evolves with Zig dropper to infect multiple developer tools
The GlassWorm campaign uses a Zig-based dropper hidden in a fake IDE extension to infect developer tools and compromise systems. The GlassWorm campaign, active since 2025, has evolved from malicious npm packages to large-scale supply chain attacks across GitHub, npm, and VS Code, even deploying RATs via fake browser extensions. In its latest iteration, threat…
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GlassWorm evolves with Zig dropper to infect multiple developer tools
The GlassWorm campaign uses a Zig-based dropper hidden in a fake IDE extension to infect developer tools and compromise systems. The GlassWorm campaign, active since 2025, has evolved from malicious npm packages to large-scale supply chain attacks across GitHub, npm, and VS Code, even deploying RATs via fake browser extensions. In its latest iteration, threat…
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Bypassing LLM Supervisor Agents Through Indirect Prompt Injection
Indirect prompt injection lets attackers bypass LLM supervisor agents by hiding malicious instructions in profile fields and contextual data. Learn how this attack works and how to defend against it. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/bypassing-llm-supervisor-agents-through-indirect-prompt-injection/
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Third-Party Android Vulnerability Leaves Over 50M Users Exposed
A flaw in the EngageLab SDK exposed 50 million Android users, allowing malicious apps to exploit trusted permissions and access sensitive data. The post Microsoft: Third-Party Android Vulnerability Leaves Over 50M Users Exposed appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-engagelab-sdk-android-vulnerability-malware-bridge/
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CPUID hacked to deliver malware via CPU-Z, HWMonitor downloads
Hackers gained access to an API for the CPUID project and changed the download links on the official website to serve malicious executables for the popular CPU-Z and HWMonitor tools. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/supply-chain-attack-at-cpuid-pushes-malware-with-cpu-z-hwmonitor/
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Crushing the Axios supply chain threat with Tenable Hexa AI: Use cases for agentic AI
Tags: ai, attack, business, credentials, crypto, cve, data, data-breach, malicious, moveIT, network, okta, radius, risk, software, supply-chain, threat, update, vulnerability, zero-daySee how you can use Tenable Hexa AI to determine in minutes if you’re impacted by the Axios npm supply chain attack. Learn how easy it is to automate configuration of scans, identify impacted assets, prioritize remediation, and more using agentic AI from Tenable. Key takeaways: Tenable Hexa AI, the agentic engine of the Tenable…
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Crushing the Axios supply chain threat with Tenable Hexa AI: Use cases for agentic AI
Tags: ai, attack, business, credentials, crypto, cve, data, data-breach, malicious, moveIT, network, okta, radius, risk, software, supply-chain, threat, update, vulnerability, zero-daySee how you can use Tenable Hexa AI to determine in minutes if you’re impacted by the Axios npm supply chain attack. Learn how easy it is to automate configuration of scans, identify impacted assets, prioritize remediation, and more using agentic AI from Tenable. Key takeaways: Tenable Hexa AI, the agentic engine of the Tenable…
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Supply chain attack at CPUID pushes malware with CPU-Z/HWMonitor
Hackers gained access to an API for the CPUID project and changed the download links on the official website to serve malicious executables for the popular CPU-Z and HWMonitor tools. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/supply-chain-attack-at-cpuid-pushes-malware-with-cpu-z-hwmonitor/
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Hackers Exploit GitHub Copilot Flaw to Exfiltrate Sensitive Data
A high-severity flaw in GitHub Copilot Chat recently allowed attackers to silently steal sensitive data like API keys and private source code. Tracked as CVE-2025-59145 with a critical CVSS score of 9.6, this vulnerability required no malicious code execution. Instead, hackers used a clever prompt injection technique known as >>CamoLeak.<< A security researcher publicly disclosed…
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Hackers Exploit GitHub Copilot Flaw to Exfiltrate Sensitive Data
A high-severity flaw in GitHub Copilot Chat recently allowed attackers to silently steal sensitive data like API keys and private source code. Tracked as CVE-2025-59145 with a critical CVSS score of 9.6, this vulnerability required no malicious code execution. Instead, hackers used a clever prompt injection technique known as >>CamoLeak.<< A security researcher publicly disclosed…
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ChatGPT, Claude, and Gemini Among 11 AI Models Vulnerable to One-Line Jailbreak
A newly discovered jailbreak technique named >>sockpuppeting<< successfully forces 11 leading artificial intelligence models, including ChatGPT, Claude, and Gemini, to bypass their safety guardrails. By exploiting a standard application programming interface (API) feature with a single line of code, attackers can trick these models into generating malicious outputs without requiring complex mathematical optimisation. When a…
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GlassWorm Trojan Hits VS Code, Cursor, Windsurf via OpenVSX Extension
A newly discovered supply chain attack is spreading the GlassWorm malware across multiple developer environments by abusing the OpenVSX extension marketplace. GlassWorm is not new. Researchers have tracked the campaign since March 2025, when attackers hid malicious payloads inside npm packages using invisible Unicode characters. Since then, the operation has expanded across GitHub repositories, npm…
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DesckVB RAT Uses Fileless .NET Loader to Evade Detection
DesckVB RAT is emerging as a highly active and stealthy malware threat in 2026, leveraging layered obfuscation and fileless execution techniques to bypass traditional security defenses. The attack chain begins with a malicious JavaScript file that hides its true intent through complex encoding and code replication. This script copies its own logic into PowerShell and…
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Malicious password-protected files Blog – Menlo Security
Discover the rising threat of malicious password-protected files, evading defenses via encryption and alternative channels. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/malicious-password-protected-files-blog-menlo-security/
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What to Know About CyberAv3ngers: The IRGC-Linked Group Targeting Critical Infrastructure
Tags: access, advisory, ai, attack, authentication, automation, backup, cctv, chatgpt, cisa, communications, compliance, control, credentials, crypto, cve, cyber, cybersecurity, data, data-breach, defense, detection, dns, email, exploit, finance, firewall, flaw, government, group, healthcare, infrastructure, intelligence, international, Internet, iot, iran, kev, leak, linux, malicious, malware, mitigation, mitre, monitoring, network, office, openai, password, radius, resilience, risk, router, service, siem, software, strategy, switch, technology, threat, tool, update, vpn, vulnerability, vulnerability-managementAn Iran-affiliated threat group has evolved from defacing water utility displays to deploying custom ICS malware and exploiting Rockwell Automation PLCs across multiple U.S. critical infrastructure sectors. Key takeaways: CyberAv3ngers is a state-directed threat group operating under Iran’s IRGC Cyber-Electronic Command. The U.S. Treasury sanctioned six named officials in February 2024 and the State Department…