Unpacking QuimaRAT: From VBScript Dropper to a 255-Packet Offensive Framework

QuimaRAT is a new RAT being touted as a powerful cross-platform RAT capable of infecting Windows, MacOS, and Linux devices. While this is certainly true, it also happens to be quite an understatement. In this article we will unpack a VBScript dropper and analyze the subsequent JAR payload.

July 22, 2026 · 38 min · Matt Swann