اللَّهُمَّ إِيَّاكَ نَعْبُدُ وَلَكَ نُصَلِّي وَنَسْجُدُ، وَإِلَيْكَ نَسْعَى وَنَحْفِدُ، نَرْجُو رَحْمَتَكَ وَنَخْشَى عَذَابَكَ، إِنَّ عَذَابَكَ بِالْكُفَّارِ مُلْحِقٌ
Transliteration
Allahumma iyyaka na'budu wa laka nusalli wa nasjudu, wa ilayka nas'a wa nahfidu, narju rahmataka wa nakhsha 'adhabaka, inna 'adhabaka bil-kuffari mulhiq
English meaning
O Allah, You alone we worship. To You we pray and prostrate, and to You we hasten and strive. We hope for Your mercy and fear Your punishment. Truly, Your punishment overtakes the disbelievers.
When is it recited?
Recited in the third rak'ah of the Witr prayer in the Hanafi school, right after the first qunut dua.
Source
Ibn Abi Shayba, al-Musannaf, 2/95, 6/89; al-Tahawi, Sharh Ma'ani al-Athar, 1/249 (from Umar)