AESshell is a backconnect shell for Windows and Unix written in python and uses AES in CBC mode in conjunction with HMAC-SHA256 for secure transport. Written in python but also includes a Windows binary.
You can download it from the following link: https://packetstormsecurity.com/files/download/132438/aesshell-0.7.tar.bz2
Source: https://packetstormsecurity.com/files/132438/AESshell-0.7.html

