ETERNALBLUE is an SMBv1 remote unauthenticated zero day exploit that works on 2008 R2. Note that this exploit is part of the recent public disclosure from the “Shadow Brokers” who claim to have compromised data from a team known as the “Equation Group”, however, there is no author data available in this content. Consider this exploit hostile and unverified. For research purposes only. Description has been referenced from http://medium.com/@networksecurity.