Anabolic steroids work differently from other drugs of abuse; they do not have the same short-term effects on the brain. The most important difference is that steroids do not trigger rapid increases in the brain chemical dopamine, which causes the high that drives people to abuse other substances.
The LDAP queries and the usage of .NET classes used are confined to QueryObjectsByNETClasses() and GetFilterString() methods. The following code in QueryObjectsByNETClasses() method creates a DirectorySearcher object and sets properties on the searcher depending on the user preferences given in the main form.
You don't need to do anything to AD to allow an LDAP client to connect. You need to bind (authenticate) to LDAP to be able to browse it; you need to put in your full DN in JXplorer as part of the credentials, and of course your password. Without knowing what you've tried so far, I can't give you much more direction.