```bash
ldapsearch -h ip -x -b "DC=htb,DC=local" '(objectClass=Person)' -> find user?
ldapsearch -h ip -x -b "DC=htb,DC=local" '(objectClass=Person)' sAMAccountName
ldapsearch -h ip -x -b "DC=htb,DC=local" '(objectClass=User)' sAMAccountName
ldapsearch -x -b "dc=spray,dc=csl" -H ldap://172.31.3.9 -D "cn=admin,dc=spray,dc=csl" -W
```