#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?s=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?sads=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?rsd=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?sort=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?login=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?vhf=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?S1H=.*$ [NC]
#RewriteRule .* - [F]
#RewriteEngine On
#RewriteCond %{QUERY_STRING} ^(.*&)?SrW=.*$ [NC]
#RewriteRule .* - [F]

Spy geldikçe çoğaltın kodları ekleyin. Sonra havlayıp kaçıyor zaten tekrar saldırmıyor.