CARBANAK Week Part Three: Behind the CARBANAK Backdoor

FireEye analyses CARBANAK source code and build tools, confirming a Builder used to embed campaign codes, C2 addresses and per-build string encryption markers (BS/ES); shows preprocessor flags allow operators to enable or disable features, reveals previously unknown command names and the tinymet payload handling (in-memory Meterpreter staging), and concludes the project is distributed to operators enabling customized builds and continued evolution of C2 protocols.