Bleeping Computer

Hackers use Microsoft IIS web server logs to control malware

The Cranefly hacking group, aka UNC3524, uses a previously unseen technique of controlling malware on infected devices via Microsoft Internet Information Services (IIS) web server logs. Microsoft ...
Bleeping Computer

Hackers backdoor Microsoft IIS servers with new Frebniis malware

Hackers are deploying a new malware named 'Frebniss' on Microsoft's Internet Information Services (IIS) that stealthily executes commands sent via web requests. Frebniis was discovered by Symantec's ...