The Book of Jihad and Expedition (Kitab Al-Jihad wa'l-Siyar)
Muslim :: Book 19 : Hadith 4303
This hadith has been narrated by another chain of transmitters on the authority of the same narrator, with the wording: Allah will set up a flag for every person guilty of breach of faith on the Day of Judgment, and it will be announced: Look, this is the perfidy of so and so.