Analysis: Zebrocy used heavily by the Sednit group over last two years
The Zebrocy family consists of three components. In the order of deployment these are a Delphi downloader, an AutoIt downloader and a Delphi backdoor. Figure 1 shows the relationship between these components.
In this article we describe this family and how it can coexist with the older Seduploader reconnaissance tools. We will talk about some similarities to and differences from Downdelph at the end.
Source: welivesecurity.com