[Pentester Academy] Web Application Security Challenge 18

In this the following webapp analysis binary file and show the result corresponding.so i downloaded the file from the url and using the hex editor i replaced “This program cannot be run in DOS mode.” with “<H1>Vunerable to HTMLi</H1>” and uploaded the file on dropbox[https://dl.dropboxusercontent.com/s/h0wm9cgim85h4d2/update_2.exe?dl=1&token_hash=AAHpw2vISIXoJdTrSdHMeOt23X9TRKQMlVkqTxzOOZJIow]