rpcclient -U "" 192.168.143.61
Password for [MYGROUP\]:
Cannot connect to server. Error was NT_STATUS_LOGON_FAILURE
Impacket v0.10.0 - Copyright 2022 SecureAuth Corporation
[*] Gathering OS architecture for 1 machines
[*] Socket connect timeout set to 2 secs
192.168.100.61 is 64-bit