Sayyiduna Abdullah bin Abbas (may Allah be pleased with them) narrates: The Prophet Muhammad (peace and blessings be upon him) said: "Allah Almighty does not look with mercy at the person who has intercourse with a woman in her rear private part." (Imam Ibn Hibban, may Allah have mercy on him, says:) The narrator named Waki’ has transmitted this as a marfu’ hadith from Dhahhak bin Uthman.