cloaking

ESET’s researchers have uncovered a previously undocumented threat cluster that covertly poisons legitimate IIS-hosted websites to manipulate Google rankings while also planting a stealthy C++ backdoor on Windows servers — a campaign ESET calls GhostRedirector that, according to an internet-wide...

ESET researchers have uncovered a compact but sophisticated campaign — tracked as GhostRedirector — that has compromised at least 65 Internet‑facing Windows servers and combined a native C++ backdoor with a malicious IIS native module to deliver long‑lived persistence and server‑side SEO fraud...

ESET Research has uncovered a previously undocumented threat actor it calls GhostRedirector, which in June 2025 was found to have compromised at least 65 Windows servers across multiple countries and deployed two custom tools — a C++ backdoor named Rungan and a native IIS module named Gamshen...