Algorithm 5: the Suggested Clustering Model

Input: Xi: Passive DNS Dataset GA parameters configuration ABC classifier parameters configuration Output: URL classifier (malicious, benign) Begin      1.  Initially load dataset in Hadoop      2.  Apply preprocessing in multiple parallel operations      3.  For each MapReduce partitions      4.  Apply feature extraction procedure      5.  End for      6.  Aggregate selected features      7.  Call algorithm 1 for feature selection      8.  Call algorithm 4 for two-step QABC clustering      9.  Classify unknown URL according to the trained classifier End