SMB - 139, 445

smbclient - List all shares in SMB with null session:

smbclient -N -L //10.129.202.5

smbclient -Connect to SMB share using null session:

smbclient -N  //10.129.202.5/sambashare

rpcclient - Connet to SMB using null session:

rpcclient -u '' 10.129.202.5