The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Sa`ah)
Muslim :: Book 41 : Hadith 6953
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: It would be an Abyssinian having two small shanks who would destroy the House ol Allah, the Exalted and Glorious.