Research in attacks, intrusions, and defenses 21st International Symposium, RAID 2018, Heraklion, Crete, Greece, September 10-12, 2018 : proceedings - Bailey, Michael 1953-; Holz, Thorsten; Stamatogiannakis, Manolis; Ioannidis, Sotiris (Lecture notes in computer science, 2018)