EROIKA: Enhanced Recognition of Intrusion Key Actors - A Multi-Stage Botnet Detection Framework With Conditional Autoencoder and Communication Pattern Analysis. - Muhammad Aidiel Rachman Putra; Tohari Ahmad; Takashi Obi; Joong-Sun Lee; Yi-Na Jeong; Dandy Pramana Hostiadi; Royyana Muslim Ijtihadie (IEEE Open J. Commun. Soc., 2026)