The Shadow Brokers are a self-styled hacker group that recently kicked off a tongue-in-cheek media campaign claiming that theyd penetrated the NSA. Theyve released a bunch of hacked data for free, including documents, programs, scripts, exploit code and so on. At least one of the exploitable vulnerabilities amongst the free files, found in the Firewall/EXPLOITS/EXBA/ directory, not only works, but also turns out to have been a zero-day bug.”]