its so amazing that many iranian sites got hacked by a group called isp-crackers
http://www.isp-crackers.com

even ministry of culture site got hacked but this site recover in 2 hours
http://ershad.gov.ir/

is that anyone to know about this hackers?

some of these sites:
http://www.naraonline.com
http://www.jdm.ac.ir/
http://www.iranwebs.com
http://www.silver.ir
http://www.yahoosun.com
http://www.iranspider.com
http://www.iranw.com
http://www.fci-iran.com
http://www.sadjad.com
http://www.sadjaduniversity.com
http://www.mashadshop.com
http://www.iranentekhabat.com
http://www.mashadwireless.com
http://www.chillan.co.ir
http://www.iaushab.ac.ir
http://www.masoud.ws
http://www.al-zahra.com
http://www.shirin-ebadi.com
http://www.2gholooha.com
http://www.choghok.com
http://www.simorghonline.com
http://www.iroglass.com
http://www.mashadhouse.com
http://www.bime-alborz.com/
http://www.behsarv.com