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X Grokking malvertising campaign

Campaign
First reported
Last updated
Happening score
H score 41
1 unique sources, 1 articles

Summary

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Cybercriminals are running a coordinated X malvertising campaign that abuses Grok to surface hidden malicious links and push them into millions of feeds. The operation uses hundreds of accounts and repeated promoted posts to evade ad restrictions and amplify deceptive traffic at scale. Users are being funneled toward fake CAPTCHA scams, information-stealing malware, and other harmful content through linked ad networks and smartlinks.

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Timeline

  1. 04.09.2025 13:21 2 articles · 8mo ago

    Grokking bypass uses X replies to surface hidden malicious links

    Initial Disclosure

    Cybersecurity researchers describe Grokking, a malvertising technique on X that hides a malicious URL in video post metadata and then tags Grok in replies so the AI assistant displays the link, amplifying it across millions of impressions and pushing users toward sketchy ad networks, fake CAPTCHA scams, and information-stealing malware.

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