Sayyiduna Amr bin Awf (may Allah be pleased with him) narrated that the Prophet (peace and blessings be upon him) said: "Whoever alters the (boundary) markers of land, upon him will be the curse of Allah Almighty and His anger on the Day of Resurrection; Allah Almighty will not accept any obligatory or voluntary worship from him."
Al-Tabarani recorded it in al-Mu'jam al-Kabir; its chain contains Kathir bin Abdullah, who is very da'if (weak), though al-Tirmidhi declared his hadith hasan (good).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب البيوع / 6894