Matthew 26:47-49

Young's Literal Translation

⁴⁷ And while he is yet speaking, lo, Judas, one of the twelve did come, and with him a great multitude, with swords and sticks, from the chief priests and elders of the people.

⁴⁸ And he who did deliver him up did give them a sign, saying, `Whomsoever I will kiss, it is he: lay hold on him;'

⁴⁹ and immediately, having come to Jesus, he said, `Hail, Rabbi,' and kissed him;