Code:
rtmpdump -r "rtmp://imbconairtv.imbc.com/imbc_onairtv/" -a "imbc_onairtv/" -f "WIN 17,0,0,188" -W "http://news.kbs.co.kr/app/flash/fullurl_player.swf" -p "http://klivebystar.blogspot.in/2015/01/mbc-hd-v3.html" -y "?id=2101&secure=c2lkPWticy1saXZlJnRva2VuPUtCUy1MSVZFQzg5REVGRjFENEMwJmlzc3Vlcj0yMjIuMTIyLjIwNi43NyZjaWQ9NDZBNUZBMDY2NDAwJnBhdGg9L2ltYmNfb25haXJ0di9vbmFpcnR2XzUwMGsuc3RyZWFtP2NtZCZmaWxlPW9uYWlydHZfNTAway5zdHJlYW0/Y21kJmJ5cGFzcz1mYWxzZSZhdGltZT0xNDM0MjY1NDEw" -o out.flv