Jihad continues until the Day of Judgment under just or unjust rulers

Narrated from Sayyiduna Urwah al-Bariqi (may Allah be pleased with him) that the Noble Prophet (peace and blessings of Allah be upon him) said: "Goodness and blessing are tied to the forelocks of horses until the Day of Resurrection. (That is, either everlasting reward in the Hereafter or spoils of war in this world.)"

Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "There is goodness and blessing in the forelocks of horses."