It wasnarrated from 'Abdullah that the Messenger of Allah (ﷺ)said:
"Abanner will be set up for every traitor on the Day ofResurrection,and it will be said: 'This is the treachery of so-and-so.'" (FR)
English reference (FR): Vol. 4, Book 24, Hadith 2872 (FR)
Arabic reference (FR): Book 24, Hadith 2982 (FR)