alert ip [77.239.124.0/24,66.132.186.0/24,65.49.1.0/24,198.235.24.0/24,199.165.159.0/24,66.132.195.0/24,193.163.125.0/24,205.210.31.0/24,147.185.133.0/24,172.110.223.0/24,64.62.197.0/24,66.132.172.0/24,195.178.110.0/24,195.182.16.0/24,66.132.159.0/24,195.184.76.0/24,45.148.10.0/24,77.67.26.0/24,216.25.90.0/24,45.198.224.0/24] any -> $HOME_NET any (msg:"ET DROP Dshield Block Listed Source group 1"; reference:url,feeds.dshield.org/block.txt; threshold:type limit, track by_src, seconds 3600, count 1; classtype:misc-attack; flowbits:set,ET.Evil; flowbits:set,ET.DshieldIP; sid:2402000; rev:7920; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Major, created_at 2010_12_30, updated_at 2026_11_11;)