Sayyidah Aishah (may Allah be pleased with her) said: Sayyiduna Hasan bin Ali (may Allah be pleased with him) told me that the Messenger of Allah (peace and blessings be upon him) taught him the supplication of qunut in the witr: "O Allah, guide us among those You have guided, grant us well-being among those You have granted well-being, take us as Your friends among those You have taken as friends, bless us in what You have given, and protect us from the evil of what You have decreed; for indeed You decree and none can decree against You, and the one whom You befriend is never humiliated. Blessed are You and Exalted."
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 2687