Telegram Web 0.5.5 Username Bypass

`#########################################################################  
# Exploit Title: Telegram Web Empty Username Bypass  
# Date: 18/10/2016  
# Author: Ashiyane Digital Security Team  
# Software Link: https://web.telegram.org  
# version : Telegram Web 0.5.5  
# Tested on: Windows 7  
##########################################################################  
Description:  
Telegram filters null bytes for username input but you can bypass this  
filter with "NOP"s (0x90) on web version of Telegram because this  
filter isn't from server's codes side  
##########################################################################  
Step 1:  
First you must decode "0x90" with hackbar or ...  
-------------------  
Step 2:  
Go to https://web.telegram.org.  
Then go to "Settings" tab.  
Then click on your username and change it to decoded hex.  
-------------------  
Now you have an empty username.  
When someone forwards your messages, other peaple can't locate your  
profile from forwarded messages.  
##########################################################################  
# Discovered by : MALWaRE43  
##########################################################################  
`