Gaming the system: how a Chinese-speaking actor turned Brazilian government sites into an SEO weapon

Research by: Amit Yardeni Key Points Introduction Since mid-2025, Check Point Research has tracked a sustained campaign against Brazilian organizations. The tradecraft points to a Chinese-speaking cybercrime group connected to Earth Berberoka, an actor first documented targeting gambling sites across Asia. Once inside a victim, the group deploys a broad Linux toolkit: a custom downloader, several backdoors, […] The post Gaming the system: how a Chinese-speaking actor turned Brazilian government sites into an SEO weapon appeared first on Check Point Research.