It has been narrated on the authority of Abu Huraira that the Messenger of Allah (ﷺ) said:One who is wounded in the way of Allah-and Allah knows better who is wounded in His way-will appear on the Day of Judgment with his wound bleediing. The colour (of its discharge) will be the colour of blood, (but) its smell will be the smell of musk.
حَدَّثَنَا عَمْرٌو النَّاقِدُ، وَزُهَيْرُ بْنُ حَرْبٍ، قَالاَ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ يُكْلَمُ أَحَدٌ فِي سَبِيلِ اللَّهِ - وَاللَّهُ أَعْلَمُ بِمَنْ يُكْلَمُ فِي سَبِيلِهِ - إِلاَّ جَاءَ يَوْمَ الْقِيَامَةِ وَجُرْحُهُ يَثْعَبُ اللَّوْنُ لَوْنُ دَمٍ وَالرِّيحُ رِيحُ مِسْكٍ " .
Muslim
The Book on Government • Hadith 158