SEO Poisoning Campaign Targets 8,500+ SMB Users with Malware Disguised as AI Tools

Cybersecurity researchers have disclosed a malicious campaign that leverages search engine optimization SEO poisoning techniques to deliver a known malware loader called Oyster aka Broomstick or CleanUpLoader. The malvertising activity, per Arctic Wolf, promotes fake websites hosting trojanized...

SonicWall NetExtender Trojan and ConnectWise Exploits Used in Remote Access Attacks

Unknown threat actors have been distributing a trojanized version of SonicWall's SSL VPN NetExtender application to steal credentials from unsuspecting users who may have installed it. "NetExtender enables remote users to securely connect and run applications on the company network," SonicWall...

Over 269,000 Websites Infected with JSFireTruck JavaScript Malware in One Month

Cybersecurity researchers are calling attention to a "large-scale campaign" that has been observed compromising legitimate websites with malicious JavaScript injections. According to Palo Alto Networks Unit 42, these malicious injects are obfuscated using JSFuck, which refers to an "esoteric and...

Toxic trend: Another malware threat targets DeepSeek

Introduction DeepSeek-R1 is one of the most popular LLMs right now. Users of all experience levels look for chatbot websites on search engines, and threat actors have started abusing the popularity of LLMs. We previously reported attacks with malware being spread under the guise of DeepSeek to...

Threat actors misuse Node.js to deliver malware and other malicious payloads

Since October 2024, Microsoft Defender Experts DEX has observed and helped multiple customers address campaigns leveraging Node.js to deliver malware and other payloads that ultimately lead to information theft and data exfiltration. While traditional scripting languages like Python, PHP, and...

Microsoft Dismantles Malvertising Scam Using GitHub, Discord, Dropbox

Microsoft Threat Intelligence exposes a malvertising campaign exploiting GitHub, Discord, and Dropbox. Discover the multi-stage attack chain, the…...

Microsoft Warns of Malvertising Campaign Infecting Over 1 Million Devices Worldwide

Microsoft has disclosed details of a large-scale malvertising campaign that's estimated to have impacted over one million devices globally as part of what it said is an opportunistic attack designed to steal sensitive information. The tech giant, which detected the activity in early December 2024...

Malvertising campaign leads to info stealers hosted on GitHub

In early December 2024, Microsoft Threat Intelligence detected a large-scale malvertising campaign that impacted nearly one million devices globally in an opportunistic attack to steal information. The attack originated from illegal streaming websites embedded with malvertising redirectors, leadi...

CVE-2025-1066

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

CVE-2025-1066: Undefined Security Weakness

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

CVE-2025-1066

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

CVE-2025-1066

OpenPLC_V3 contains an arbitrary file upload vulnerability that can be leveraged for malvertising or phishing campaigns. The affected software is an open-source programmable logic controller developed by Thiago Alves, used for industrial automation and research. While the specific version affecte...

CVE-2025-1066 CVE-2025-1066

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

CVE-2025-1066 CVE-2025-1066

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

CVE-2025-1066 CVE-2025-1066

OpenPLCV3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns...

PT-2025-5795 · Unknown · Openplc V3

Name of the Vulnerable Software and Affected Versions: OpenPLC V3 affected versions not specified Description: The issue concerns an arbitrary file upload vulnerability. This could be exploited for malvertising or phishing campaigns. Recommendations: At the moment, there is no information about a...

Malvertising Scam Uses Fake Google Ads to Hijack Microsoft Advertising Accounts

Cybersecurity researchers have discovered a malvertising campaign that's targeting Microsoft advertisers with bogus Google ads that aim to take them to phishing pages that are capable of harvesting their credentials. "These malicious ads, appearing on Google Search, are designed to steal the logi...

Google Ads Users Targeted in Malvertising Scam Stealing Credentials and 2FA Codes

Cybersecurity researchers have alerted to a new malvertising campaign that's targeting individuals and businesses advertising via Google Ads by attempting to phish for their credentials via fraudulent ads on Google. "The scheme consists of stealing as many advertiser accounts as possible by...

The great Google Ads heist: criminals ransack advertiser accounts via fake Google ads

Table of contents Overview Criminals impersonate Google Ads Lures hosted on Google Sites Phishing for Google account credentials Victimology Who is behind these campaigns? Fuel for other malware and scam campaigns Indicators of Compromise Overview Online criminals are targeting individuals and...

Some weeks in security (December 16 – January 5)

During the holiday period on Malwarebytes Labs we covered: A day in the life of a privacy pro, with Ron de Jesus Lock and Code S05E26 Task scams surge by 400%, but what are they? 5 million payment card details stolen in painful reminder to monitor Christmas spending AI-generated malvertising "whi...