alert ip [45.198.224.0/24,64.62.156.0/24,45.148.10.0/24,66.132.172.0/24,64.62.197.0/24,65.49.1.0/24,87.251.64.0/24,185.136.15.0/24,66.132.186.0/24,198.235.24.0/24,71.6.232.0/24,178.20.210.0/24,5.61.209.0/24,66.132.195.0/24,193.163.125.0/24,176.65.148.0/24,43.228.157.0/24,204.76.203.0/24,45.142.154.0/24,205.210.31.0/24] 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:7751; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Major, created_at 2010_12_30, updated_at 2026_05_26;)