use rtmpexplorer+rtmpsuck
example EUROSPORT
Code:
rtmpdump -v -r "rtmpe://94.242.221.103/5_hd" -a "5_hd" -f "WIN 11,5,502,110" -W "http://clients.cdnet.tv/flashplayer/player.swf" -p "http://clients.cdnet.tv/flashbroadcast.php?channel=1023&session=SeENY90jR6AkbV5MKbRny7Ga7FRh65fM&date=1354913987" -y "channel_5_hd.stream" -T "Rd#n@k72JDh" -o "eurosport.flv"
