Wednesday, October 27, 2021

IISerpent: Malware‑driven SEO fraud as a service

The last in our series on IIS threats introduces a malicious IIS extension used to manipulate page rankings for third-party websites

ESET researchers have discovered and analyzed a previously undocumented server-side trojan that manipulates search engine results by hijacking the reputation of the websites it compromises. We named the trojan IISerpent to highlight its two main features: being implemented as a malicious extension for Internet Information Services (IIS) web server, and using shady…

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