Yisrael Amecha Techina Orchim (Ashkenaz Day 5)

From Selichos Unveiled by Holzer Seforim.

Understanding the importance of remembering times of Shmad.

The Selicha refers to them blessing Hashem, what bracha were they making during Sha'as HaShmad? [The Rishonim don't mention them making a bracha of Kiddush HaShem]