וְסֹכְרִ֧ים עֲלֵיהֶ֛ם יוֹעֲצִ֖ים לְהָפֵ֣ר עֲצָתָ֑ם כָּל־יְמֵ֗י כּ֚וֹרֶשׁ מֶ֣לֶךְ פָּרַ֔ס וְעַד־מַלְכ֖וּת דָּרְיָ֥וֶשׁ מֶֽלֶךְ־פָּרָֽס׃
and hired counsellors against them, to frustrate their purpose, all the days of Cyrus king of Persia, even until the reign of Darius king of Persia.
Read midrashic interpretation of Ezra 4:5: and classical rabbinic exegesis.