alert ip [45.154.244.0/24,45.156.87.0/24,45.170.247.0/24,45.192.178.0/23,45.194.92.0/24,45.197.176.0/24,45.197.177.0/24,45.197.178.0/24,45.197.179.0/24,45.221.116.0/22,45.230.66.0/24,45.248.88.0/22,46.151.182.0/24,46.173.240.0/20,46.174.204.0/22,49.89.240.0/22,49.156.160.0/19,49.238.64.0/18,57.14.0.0/15,57.37.0.0/16] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 8"; 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:2400007; rev:4769; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Minor, created_at 2010_12_30, updated_at 2026_07_15;)