Starting Nmap 7.70 ( https://nmap.org ) at 2019-05-05 23:05 CST Warning: 10.11.1.227 giving up on port because retransmission cap hit (1). Nmap scan report for 10.11.1.227 Host is up (0.32s latency). Not shown: 677 closed ports, 312 filtered ports Some closed ports may be reported as filtered due to –defeat-rst-ratelimit PORT STATE SERVICE 21/tcp open ftp 25/tcp open smtp 80/tcp open http 135/tcp open msrpc 139/tcp open netbios-ssn 443/tcp open https 445/tcp open microsoft-ds 1025/tcp open NFS-or-IIS 3372/tcp open msdtc 5800/tcp open vnc-http 5900/tcp open vnc MAC Address: 00:50:56:89:72:CB (VMware)

Nmap done: 1 IP address (1 host up) scanned in 14.35 seconds

realvnc has a auth bypass exp and ms08-067 is possible