Behind the Mask of Madgicx Plus: A Chrome Extension Campaign Targeting Meta Advertisers

Cybereason Security Services recently analyzed an investigation into a broader malicious Chrome extension campaign, part of which had been previously documented by DomainTools. While earlier iterations of this campaign involved the impersonation a variety of services, the latest version shifts focus to Meta (Facebook/Instagram) advertisers through a newly crafted lure: “Madgicx Plus,” a fake AI-driven ad optimization platform. Promoted as a tool to streamline campaign management and boost ROI using artificial intelligence, the extension instead delivers potentially malicious functionalities capable of hijacking business sessions, stealing credentials, and compromising Meta Business accounts. Notably, several domains associated with earlier parts of the campaign have been repurposed to promote this new theme, highlighting the operators’ tendency to recycle infrastructure while adapting their social engineering strategy to new targets.

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