Cracking the Wall of Confinement: Understanding and Analyzing Malicious Domain Take-downs Eihal Alowaisheq, Peng Wang, Sumayah Alrwais, Xiaojing Liao, XiaoFeng Wang, Tasneem Alowaisheq, Xianghang Mi, Siyuan Tang, Baojun Liu Feb 25, 2019 PDF 引用 Web Security DNS