A Black-Box Attack Method against Machine-Learning-Based Anomaly Network Flow Detection Models

Algorithm 1

Reservoir sampling algorithm.

	Input: , , where is the sample set, is the sample size, and is the number of samples
	Output: , where R is the set of sampling results
(1)	set
(2)	fordo
(3)	random integer between
(4)	ifthen
(5)
(6)	end if
(7)	end for
(8)	return