rungan

  1. GhostRedirector: Hidden IIS Backdoor and SEO Fraud on Windows Servers

    ESET researchers have uncovered a compact but sophisticated campaign — tracked as GhostRedirector — that has secretly turned at least 65 Internet‑facing Windows servers into a stealthy SEO‑fraud network while simultaneously installing a resilient native backdoor for long‑term access...
  2. GhostRedirector: IIS Backdoor and SEO Fraud with Rungan & Gamshen

    A compact but sophisticated campaign tracked as GhostRedirector has infected at least 65 Internet‑facing Windows IIS servers and paired a stealthy native backdoor with an in‑process IIS module to run a covert, profitable SEO fraud operation that pushes third‑party gambling sites while leaving...
  3. GhostRedirector: Hidden IIS Backdoor and SEO Fraud Targeting Windows Servers

    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...
  4. GhostRedirector: A crawler-aware IIS SEO fraud backdoor campaign

    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...
  5. GhostRedirector: New IIS Module and Rungan Backdoor Drive SEO Fraud on Windows

    ESET Research revealed that a previously undocumented threat actor, which the company calls GhostRedirector, compromised at least 65 Internet‑facing Windows IIS hosts and deployed two custom native components — a C++ backdoor named Rungan and a malicious IIS module called Gamshen — to run a...
  6. GhostRedirector: Hidden IIS SEO Fraud Backdoor Campaign with Rungan & Gamshen

    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...