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 versions of legitimate tools like PuTTY and WinSCP, aiming to trick software professionals



Source: TheHackerNews
Source Link: https://thehackernews.com/2025/07/seo-poisoning-campaign-targets-8500.html