The ‘Duqu’ Trojan appears to have been written in an unidentifiable programming language. The language is not C++, Objective C, Java, Python, Ada, Lua and many other languages, says Kaspersky Lab. The code is dedicated to stealthy communication with the Trojan’s command and control servers. The more sophisticated a piece of software, the more unusual its programming design and structure is likely to be and the more this very expert-level complexity draws attention to itself, raising suspicions.”]