Abd al-Rahman bin Yazid narrates: Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) led them in the Isha prayer and recited forty verses of Surah al-Anfal, then in the second rak'ah he recited a surah from the Mufassal.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9275