Yup I made a mistake, gave some bad code above when I wrote down a directory. I edited the post above, thanks. This is what works to correct the permissions on the Warmane Lich King torrent after you've copied it to your Applications folder from wherever your torrent program put it. I've personally run each of these commands on my system right now as I'm writing this.
Code:
Three commands here so you can see before and after the effects.
The commands will: list the details about the file, change the perms on it, and list the details again.
Pro tips: Drag your terminal window so it's at least 150 columns wide,
When the chmod command works, it displays no feedback.
ls -l "/Applications/Wrath of the Lich King 3.3.5a (Mac)/World of Warcraft.app/Contents/MacOS/World of Warcraft"
chmod 755 "/Applications/Wrath of the Lich King 3.3.5a (Mac)/World of Warcraft.app/Contents/MacOS/World of Warcraft"
ls -l "/Applications/Wrath of the Lich King 3.3.5a (Mac)/World of Warcraft.app/Contents/MacOS/World of Warcraft"