Killer Name YouTube Proper Video Result MIME Type video/mp4 Matching Regular Expression Regular Expression ^(http://)?(www.)?youtube.com|^(http://)?(www.)?youtube-nocookie.com Match Page URL Match Source URL Match Flashvars Rejecting Regular Expression Regular Expression * Match Page URL Match Source URL Match Flashvars Variants Display Name QuickTime Steps Type flash-var-retrieve Victim video_id Type flash-var-retrieve Victim t Return URL http://www.youtube.com/get_video?fmt=18&video_id=%3A&t=%4A Display Name QuickTime HD Steps Return URL http://www.youtube.com/get_video?fmt=22&video_id=%3A&t=%4A