Sahih al-Bukhari, Hadith 3104 ⓘ
Narrated `Abdullah: The Prophet stood up and delivered a sermon, and pointing to `Aisha's house (i.e. eastwards), he said thrice, "Affliction (will appear from) here," and, "from where the side of the Satan's head comes out (i.e. from the East).
حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا جُوَيْرِيَةُ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ ـ رضى الله عنه ـ قَالَ قَامَ النَّبِيُّ صلى الله عليه وسلم خَطِيبًا فَأَشَارَ نَحْوَ مَسْكَنِ عَائِشَةَ فَقَالَ " هُنَا الْفِتْنَةُ ـ ثَلاَثًا ـ مِنْ حَيْثُ يَطْلُعُ قَرْنُ الشَّيْطَانِ " .
also referenced under: Book 57, Hadith 13 (In-Book) & Volume 4, Book 53, Hadith 336 (USC-MSA)