بُلُوغُ الْمَرَامِ
Bulugh al-Maram 1256
Hudud
وَعَنْ سَعِيدِ بْنِ زَيْدٍ - رضى الله عنه - قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ مِنْ قُتِلَ دُونَ مَالِهِ فَهُوَ شَهِيدٌ } رَوَاهُ اَلْأَرْبَعَةُ, وَصَحَّحَهُ اَلتِّرْمِذِيُّ [1]
Sa'id bin Zaid (RAA) narrated that the Messenger of Allah (ﷺ) said: "Whoever is killed while protecting his property, he is a martyr." Related by the four Imams and At-Tirmidhi graded it as Sahih.
Arabic/English book reference: Book 10, Hadith 1295