It's enought to have this in htaccess?
##
# Emergency block - SP Page Builder uploadCustomIcon exploit
# Blochează requesturile către:
# index.php?option=com_sppagebuilder&task=asset.uploadCustomIcon
##
RewriteCond %{QUERY_STRING} (^|&)option=com_sppagebuilder(&|$) [NC]
RewriteCond %{QUERY_STRING} (^|&)task=(asset\.uploadCustomIcon|asset%2euploadCustomIcon)(&|$) [NC]
RewriteRule ^ - [F,L]
In databases what i find is new users created, so is creating new users and from here will create new rules...