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Spirals Ransomware: From First Foothold to Full Encryption in Under 24 Hours

19 July 2026  |  dark6  |  Ransomware

A newly identified ransomware strain called Spirals encrypted an entire IT services company's network in South Asia within a single day, using an IIS web shell, tunneling tools,...

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China-Linked OP-512 Uses Cryptographically Unique Web Shells in Patient IIS Server Espionage Campaign

9 June 2026  |  dark6  |  Cybercrime

ReliaQuest has uncovered OP-512, a new China-linked threat cluster targeting IIS servers with a custom web shell framework that generates cryptographically unique signatures per deployment, evading traditional detection....

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HTTP/2 Bomb: Single-Attacker Remote DoS Exploit Hits nginx, Apache, IIS, Envoy, and Cloudflare Pingora

8 June 2026  |  dark6  |  Vulnerability

A newly disclosed exploit called the 'HTTP/2 Bomb' can exhaust tens of gigabytes of server memory in seconds using just a home internet connection. Five of the world's...

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