One of the best site for this called adsecurity.org it has a lot of blogs and sources for all this and another good resource is by this person called harmj0y (Expert Guy)
Pentester Academy - Attacking and Defending Active Directory [Costs : 249$-500$]
Pentester Academy - Red Team Lab This much more advanced btw
[ Costs 370$-750$ ]
eLearnSecurity - PTX - Very Very Pricy My Brotha