Sunan an-Nasa'i 4092

Arabic

أَخْبَرَنَا أَحْمَدُ بْنُ نَصْرٍ، قَالَ حَدَّثَنَا الْمُؤَمَّلُ، عَنْ سُفْيَانَ، عَنْ عَلْقَمَةَ بْنِ مَرْثَدٍ، عَنْ سُلَيْمَانَ بْنِ بُرَيْدَةَ، عَنْ أَبِيهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ مَنْ قُتِلَ دُونَ مَالِهِ فَهُوَ شَهِيدٌ ‏"‏ ‏.‏

Translation

It was narrated from Sulaiman bin Buraidah that his father said:"The Messenger of Allah [SAW] said: 'Whoever is killed defending his wealth, he is a martyr

Authenticity

Sahih · Abu Ghuddah

Reference