Authentic Supplication Number 99.

The Messenger of Allah ┬ásaid “When one of you is finished saying the last tashahhud [the final one in his prayer], let him seek refuge in Allah from four: From the torture of the Hell-fire, from the torture in the grave, from the trying misfortunes of life and death, and of the evil of the impostorous messiah [antichrist]”.

Agreed upon by Bukhari and Muslim. Al-Albani said it was sound, and that it was reported by Muslim, Ibn Jarood in al-Multaqa , and others. He included this hadeeth in The Authentic of Good Sayings as #82.