Sunan an-Nasa'i, Hadith 1070 ⓘ
It was narrated that Anas bin Malik said: "The Messenger of Allah prayed (saying the) Qunut after bowing for a month, supplicating against Ri'l, Dhakwan and 'Usayyah who had disobeyed Allah and His Messenger." (Sahih).
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا جَرِيرٌ، عَنْ سُلَيْمَانَ التَّيْمِيِّ، عَنْ أَبِي مِجْلَزٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَنَتَ رَسُولُ اللَّهِ صلى الله عليه وسلم شَهْرًا بَعْدَ الرُّكُوعِ يَدْعُو عَلَى رِعْلٍ وَذَكْوَانَ وَعُصَيَّةَ عَصَتِ اللَّهَ وَرَسُولَهُ .
also referenced under: Book 12, Hadith 42 (In-Book) & Volume 2, Book 12, Hadith 1071 (DarusSalam)