1. https://github.com/frintaro/ACE-in-Chains/tree/master/PoC
2. Encrypt and Decrypt Files With Password Using OpenSSL. https://www.shellhacks.com/encrypt-decrypt-file-password-openssl/
3. Encrypt files using AES with OPENSSL. https://medium.com/@kekayan/encrypt-files-using-aes-with-openssl-dabb86d5b748
4. The Metasploit project. http://www.metasploit.com
5. Packet storm. https://packetstormsecurity.com/