'Auf bin Malik (RAA) narrated, "The Messenger of Allah (ﷺ) judged that the belongings taken from the (non-Muslim enemy) killed soldier in a war, are to be given to the one who killed him.' Related by Abu Dawud. Muslim reported it as part of a long hadith. (AR)
English reference (AR): Book 11, Hadith 1319 (AR)
Arabic reference (AR): Book 11, Hadith 1292 (AR)