alert ip [185.212.240.0/22,185.215.132.0/22,185.215.247.0/24,185.218.16.0/24,185.230.14.0/24,185.232.45.0/24,185.237.104.0/24,185.238.176.0/22,185.239.44.0/22,185.241.208.0/24,185.241.211.0/24,185.242.3.0/24,185.242.246.0/24,185.243.40.0/24,185.243.41.0/24,185.243.42.0/24,185.244.249.0/24,185.255.192.0/22,186.65.112.0/20,186.179.0.0/18] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 38"; reference:url,www.spamhaus.org/drop/drop.txt; threshold:type limit, track by_src, seconds 3600, count 1; classtype:misc-attack; flowbits:set,ET.Evil; flowbits:set,ET.DROPIP; sid:2400037; rev:4719; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Minor, created_at 2010_12_30, updated_at 2026_05_26;)