I have never heard a Rabbi comment on these groups. I assume that any cult which practices magic, or teaches Kabbalah outside of normative Jewish observance, is considered forbidden to a Jew. Kabbalah is an esoteric understanding of Torah which doesn't negate normal Jewish observance and requires this in order for it to be understood. Kaballah is simply the 'Receiving' of the secrets of Torah and is not separate from Judaism. But when people teach Kaballah outside of Jewish observance, and without proper study of scriptures it is simply worshipping black magic.