ShellOL - Challenge 5 - The Failure of Quote Filters

You must perform a shell command injection attack, without the use of single quotes.

Your objective is to read the contents of either /etc/passwd or C:\boot.ini, depending on your OS.

PARAMETERS:
Injection Location - Command argument enclosed in quotes
Method - GET
Sanitization - Reject (high), no single quotes
Output - output shown, error status disclosed, command shown