Some attackers are increasingly moving away from simple redirects in favor of more “selective” methods of payload delivery. This approach filters out regular human visitors, allowing attackers to serve malicious content to search engine crawlers while remaining invisible to the website owner.

What did we find?

During a malware investigation, we identified a selective content injection attack inside the main index.php file of a WordPress website.

Instead of always loading WordPress normally, this modified file checks who is visiting the site.

Continue reading Malware Intercepts Googlebot via IP-Verified Conditional Logic at Sucuri Blog.

The botnet’s propagation is fueled by the AI-generated server deployments that use weak credentials, and legacy web stacks.

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