Jami` at-Tirmidhi, Volume 3, Book 19, Hadith 1601 (DarusSalam) ⓘ
Narrated Anas: That the Messenger of Allah said: "Whoever plunders then he is not of us." [Abu 'Eisa said:] This Hadith is Hasan Sahih Gharib as a Hadith of Anas.
حَدَّثَنَا مَحْمُودُ بْنُ غَيْلاَنَ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ مَعْمَرٍ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنِ انْتَهَبَ فَلَيْسَ مِنَّا " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ مِنْ حَدِيثِ أَنَسٍ .
also referenced under: Hadith 1601 (Reference) & Book 21, Hadith 64 (In-Book)