Covering the Monitoring Network: A Unified Framework to Protect E-Commerce Security

Table 4

Selected features.

No.	Description
	Number of “eval” strings
	Number of unescape strings
	Number of “.exe” or “.EXE” strings
	Frequencies of special characters
	Number of unicode strings
	Frequency of the blank space character
	Frequencies of upper case letters
	Frequencies of numerical characters
	Number of long strings (a string has at least 150 characters)
	Average string length
	Frequency of “%”
	Frequency of readable strings (a string contains over 70% letters)