Matrix Push C2 abuses browser notifications to deliver phishing and malware

Cybercriminals are using browser push notifications to deliver malware and phishing attacks. Researchers at BlackFog described how a new command-and-control platform, called Matrix Push C2, uses browser push notifications to reach potential victims. When we warned back in 2019 that browser push...

Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as Zero-Day Flaws

Amazon's threat intelligence team on Wednesday disclosed that it observed an advanced threat actor exploiting two then-zero-day security flaws in Cisco Identity Service Engine ISE and Citrix NetScaler ADC products as part of attacks designed to deliver custom malware. "This discovery highlights t...

CVE-2025-62722 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature

LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting XSS vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the...

North Korean Hackers Use EtherHiding to Hide Malware Inside Blockchain Smart Contracts

A threat actor with ties to the Democratic People's Republic of Korea aka North Korea has been observed leveraging the EtherHiding technique to distribute malware and enable cryptocurrency theft, marking the first time a state-sponsored hacking group has embraced the method. The activity has been...

EUVD-2022-5385

Malicious code in bioql PyPI...

Content Injection

Next.js is vulnerable to content injection. The vulnerability is due to attacker-controlled external image sources being able to trigger file downloads with arbitrary content and filenames under specific configurations, which allows an attacker to perform phishing or deliver malicious files...

DPRK Hackers Use ClickFix to Deliver BeaverTail Malware in Crypto Job Scams

Threat actors with ties to the Democratic People's Republic of Korea aka DPRK or North Korea have been observed leveraging ClickFix-style lures to deliver a known malware called BeaverTail and InvisibleFerret. "The threat actor used ClickFix lures to target marketing and trader roles in...

HiddenGh0st, Winos and kkRAT Exploit SEO, GitHub Pages in Chinese Malware Attacks

Chinese-speaking users are the target of a search engine optimization SEO poisoning campaign that uses fake software sites to distribute malware. "The attackers manipulated search rankings with SEO plugins and registered lookalike domains that closely mimicked legitimate software sites," Fortinet...

PT-2025-34076 · Unknown · Onboardlite

Name of the Vulnerable Software and Affected Versions: OnboardLite versions with commit hash 6cca19e or later Description: An attacker can manipulate a link to the trusted application, redirecting users to a malicious external site upon access. This enables phishing, credential theft, malware...

A week in security (July 21 – July 27)

A list of topics we covered in the week of July 21 to July 27 of 2025 Last week on Malwarebytes Labs: Steam games abused to deliver malware once again Watch out: Instagram users targeted in novel phishing campaign Age verification: Child protection or privacy risk? iPhone vs. Android: iPhone user...

Exploit for Protection Mechanism Failure in 7-Zip

CVE-2025-0411 — 7-Zip Mark-of-the-Web MoTW Bypass 🚨 ---...

Chinese Group Silver Fox Uses Fake Websites to Deliver Sainbox RAT and Hidden Rootkit

A new campaign has been observed leveraging fake websites advertising popular software such as WPS Office, Sogou, and DeepSeek to deliver Sainbox RAT and the open-source Hidden rootkit. The activity has been attributed with medium confidence to a Chinese hacking group called Silver Fox aka Void...

New Supply Chain Malware Operation Hits npm and PyPI Ecosystems, Targeting Millions Globally

Cybersecurity researchers have flagged a supply chain attack targeting over a dozen packages associated with GlueStack to deliver malware. The malware, introduced via a change to "lib/commonjs/index.js," allows an attacker to run shell commands, take screenshots, and upload files to infected...

Fake AI video generator tools lure in Facebook and LinkedIn users to deliver malware

Cybercriminals are taking advantage of the public’s interest in Artificial Intelligence AI and delivering malware via text-to-video tools. According to researchers at Mandiant, the criminals are setting up websites claiming to offer “AI video generator” services, and then using those fake tools t...

ConnectWise ScreenConnect Tops List of Abused RATs in 2025 Attacks

Cofense Intelligence's May 2025 report exposes how cybercriminals are abusing legitimate Remote Access Tools RATs like ConnectWise and Splashtop to deliver malware and steal data. Learn about this growing threat...

Hazy Hawk Exploits DNS Records to Hijack CDC, Corporate Domains for Malware Delivery

A threat actor known as Hazy Hawk has been observed hijacking abandoned cloud resources of high-profile organizations, including Amazon S3 buckets and Microsoft Azure endpoints, by leveraging misconfigurations in the Domain Name System DNS records. The hijacked domains are then used to host URLs...

The vulnerability of Microsoft Visual Studio, the Microsoft.NET platform, and the Build Tools for Visual Studio toolset lies in improper external control of file names or files, allowing attackers to perform spoofing attacks.

The vulnerability of Microsoft Visual Studio, the Microsoft.NET platform, and the Build Tools for Visual Studio toolset is related to improper external name handling or file path manipulation. Exploitation of this vulnerability can allow a malicious actor to perform spear-phishing attacks by...

Chinese Hackers Abuse IPv6 SLAAC for AitM Attacks via Spellbinder Lateral Movement Tool

A China-aligned advanced persistent threat APT group called TheWizards has been linked to a lateral movement tool called Spellbinder that can facilitate adversary-in-the-middle AitM attacks. "Spellbinder enables adversary-in-the-middle AitM attacks, through IPv6 stateless address autoconfiguratio...

Crypto Developers Targeted by Python Malware Disguised as Coding Challenges

The North Korea-linked threat actor assessed to be behind the massive Bybit hack in February 2025 has been linked to a malicious campaign that targets developers to deliver new stealer malware under the guise of a coding assignment. The activity has been attributed by Palo Alto Networks Unit 42 t...

⚡ Weekly Recap: VPN Exploits, Oracle's Silent Breach, ClickFix Surge and More

Today, every unpatched system, leaked password, and overlooked plugin is a doorway for attackers. Supply chains stretch deep into the code we trust, and malware hides not just in shady apps — but in job offers, hardware, and cloud services we rely on every day. Hackers don't need sophisticated...