The Book of Tribulations and Portents of the Last Hour
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، عَنْ عِكْرِمَةَ بْنِ عَمَّارٍ، عَنْ سَالِمٍ، عَنِ ابْنِ عُمَرَ، قَالَ خَرَجَ رَسُولُ اللَّهِ صلى الله عليه وسلم مِنْ بَيْتِ عَائِشَةَ فَقَالَ " رَأْسُ الْكُفْرِ مِنْ هَا هُنَا مِنْ حَيْثُ يَطْلُعُ قَرْنُ الشَّيْطَانِ " . يَعْنِي الْمَشْرِقَ .Ibn Umar reported that Allah's Messenger (ﷺ) came out from the house of 'Aisha and said:It would be from this side that there would appear the height of unbelief, viz. where appear the horns of Satan, i.e. the east
From Sahih Muslim, whose reports the scholars accept as authentic.