Windows SMBv3 Denial of Service Proof of Concept (0 Day Exploit) - SANS Internet Storm Center

追記
Windowsに未解決の脆弱性、クラッシュ誘発の恐れ - ITmedia NEWS

Consider blocking outbound SMB connections (TCP ports 139 and 445 along with UDP ports 137 and 138) from the local network to the WAN.

http://www.kb.cert.org/vuls/id/867968

関連
http://d.hatena.ne.jp/noushibou/20170130/1485744999