In Buddhism, I'm pretty sure "bad things" to do are consume intoxicants (drugs), destroying life, stealing, lying, cheating, and in one tradition (Theravada, I think) one must be extremely modest and monk-like.
there is no evil in Buddhism & Jainism. in fact, no religion in the world is evil. Buddhism & Jainism are the coolest form of religion. followers become mildest creature on earth through the virtues of teaching.
Nothing wrong with Buddhism, In every religion, there are some people who behave like there understand and very devoted, by using their god names and make themselves a fool out of it. Example A good religion will not lead their believer by criticizing other religion, If any people does that I think they need to check is their religion problem or they themselves behave so badly.For I believe no god will teach their believer to criticize other.
There is no evil in Buddhism. Buddhism teaches people not to kill, not to steal, not to engage in unlawful sexual activities, not to lie, not to use harmful drugs. So I don't see any evil in Buddhism. Of course there may be Buddhists who do evil things. But one must understand that it is against Buddhism to do such things. Nothings wrong with the religion. Its just that sometimes Buddhists fall in to the wrong path and do wrong things.