Operation ForumTroll: APT attack with Google Chrome zero-day exploit chain


In mid-March 2025, Kaspersky technologies detected a wave of infections by previously unknown and highly sophisticated malware.

In all cases, infection occurred immediately after the victim clicked on a link in a phishing email, and the attackers’ website was opened using the Google Chrome web browser. No further action was required to become infected. All malicious links were personalized and had a very short lifespan. However, Kaspersky’s exploit detection and protection technologies successfully identified the zero-day exploit that was used to escape Google Chrome’s sandbox. Kaspersky researchers quickly analyzed the exploit code, reverse-engineered its logic, and confirmed that it was based on a zero-day vulnerability affecting the latest version of Google Chrome, which was then reported to the Google security team.

Read more…
Source: Kaspersky


Sign up for our Newsletter
The latest news and insights delivered right to your inbox.


Related:

  • React2Shell RCE flaw exploited by Chinese hackers hours after disclosure

    December 8, 2025

    Just as the experts predicted, cybercriminals are now actively exploiting the critical severity vulnerability in React Server Components (RSC) that was discovered late last week. To make matters worse, the crooks observed abusing the bug seem to be working for the Chinese government. Late last week, the React team published a security advisory detailing a pre-authentication ...

  • AI-Automated Threat Hunting Brings GhostPenguin Out of the Shadows

    December 8, 2025

    Hunting high-impact, advanced malware is a difficult task. It becomes even harder and more time-consuming when defenders focus on low-detection or zero-detection samples. Every day, a huge number of files are sent to platforms like VirusTotal, and the relevant ones often get lost in all that noise. Identifying malware with low or no detections is ...

  • How phishers hide banking scams behind free Cloudflare Pages

    December 8, 2025

    During a recent investigation, we uncovered a phishing operation that combines free hosting on developer platforms with compromised legitimate websites to build convincing banking and insurance login portals. These fake pages don’t just grab a username and password–they also ask for answers to secret questions and other “backup” data that attackers can use to bypass multi-factor ...

  • Petco’s security lapse affected customers’ SSNs, drivers’ licenses and more

    December 8, 2025

    Last week, pet products and services giant Petco confirmed that it experienced a data breach involving customers’ personal information, without specifying what type of data was affected. On Friday, in a legally required filing with Texas’ attorney general’s office, Petco reported that the affected data included: names, Social Security numbers, driver’s license numbers, financial information such ...

  • Poland detains three Ukrainians over possession of hacking equipment

    December 8, 2025

    A Polish court has ordered three Ukrainian nationals held on charges of computer fraud and possessing hardware and software designed to commit crimes, including a suspected attempt to damage IT data deemed crucial to national defence. The three men, aged 43, 42 and 39, were detained after a roadside check in Warsaw, Polish state news agency ...

  • New Prompt Injection Attack Vectors Through MCP Sampling

    December 5, 2025

    This article examines the security implications of the Model Context Protocol (MCP) sampling feature in the context of a widely used coding copilot application. MCP is a standard for connecting large language model (LLM) applications to external data sources and tools. We show that, without proper safeguards, malicious MCP servers can exploit the sampling feature for ...