The Prophet ﷺ said, "Hasten to do good deeds before six things appear: the rising of the sun from the west, the Dajjal, the smoke, the beast, the matter that concerns one of you personally, or the matter that concerns the general public."
حدثنا سليمان حدثنا إسماعيل أخبرني العلاء عن أبيه
أن النبي ﷺ قال بادروا بالأعمال ستا طلوع الشمس من مغربها والدجال والدخان والدابة أو خاصة أحدكم أو أمر العامة
Its isnad is sahih. It has already appeared as number 8286. Muslim also related it, 4/2267, number 2947, in "Tribulations," the section on further hadiths about Dajjal, and Ibn Majah, 2/1348, number 4056, in "Tribulations," the section on signs, with the same wording, and Hakim, 4/516, who graded it sahih, and Dhahabi agreed with him, and Tayalisi, 2/215, number 1770, as sahih, from Abu Hurairah.