TIRMIDHI 3275:
from Ibn ʿAbbās —
that the Prophet ﷺ said: "And at the setting of the stars (52:49) (about) the two Rak'ah before Fajr. And after the prostrations (50:40) 'The two Rak'at after Al-Maghrib.'"
الترمذي ٣٢٧٥:
عن ابن عباس —
عَنِ النَّبِيِّ ﷺ قَالَ إِدْبَارُ النُّجُومِ الرَّكْعَتَانِ قَبْلَ الْفَجْرِ وَإِدْبَارُ السُّجُودِ الرَّكْعَتَانِ بَعْدَ الْمَغْرِبِ