“CrackMapExec (a.k.a CME) is a post-exploitation tool that helps automate assessing the security of large Active Directory networks.” - https://github.com/byt3bl33d3r/CrackMapExec/wiki. This command will enumerate the SMB host using anonymous access.
Command Reference:
Target IP: 10.10.10.1
crackmapexec smb 10.10.10.1 -u 'a' -p ''