Sayyiduna Abu Barzah (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) said: "Plunder is not lawful."
Al-Tabarani recorded it. Its chain contains a narrator, Yazid bin Abi al-Hawari al-Ammi, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الجهاد / 9733