Malvertising campaign leads to PS1Bot, a multi-stage malware framework

Cisco Talos has observed an ongoing malware campaign that seeks to infect victims with a multi-stage malware framework, implemented in PowerShell and C, which we are referring to as "PS1Bot." PS1Bot features a modular design, with several modules delivered used to perform a variety of malicious...

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

OpenPLC_V3 is affected by an arbitrary file upload vulnerability. The CVE-2025-1066 entry identifies a high-severity, network-exposed issue (CVSS v3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) that could enable malvertising or phishing campaigns. The available connected sources consistently describe ...

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...

AI-generated malvertising “white pages” are fooling detection engines

This is no secret, online criminals are leveraging artificial intelligence AI and large language models LLMs in their malicious schemes. While AI tends to be abused to trick people i.e. deepfakes in order to gain something, sometimes, it is meant to defeat computer security programs. With AI, thi...

DeceptionAds Delivers 1M+ Daily Impressions via 3,000 Sites, Fake CAPTCHA Pages

Cybersecurity researchers have shed light on a previously undocumented aspect associated with ClickFix-style attacks that hinge on taking advantage of a single ad network service as part of a malvertising-driven information stealer campaign dubbed DeceptionAds. "Entirely reliant on a single ad...

Malicious Ads in Search Results Are Driving New Generations of Scams

The scourge of “malvertising” is nothing new, but the tactic is still so effective that it's contributing to the rise of investment scams and the spread of new strains of malware...

NodeStealer Malware Targets Facebook Ad Accounts, Harvesting Credit Card Data

Threat hunters are warning about an updated version of the Python-based NodeStealer that's now equipped to extract more information from victims' Facebook Ads Manager accounts and harvest credit card data stored in web browsers. "They collect budget details of Facebook Ads Manager accounts of the...