alert ip [148.178.0.0/16,148.185.0.0/16,148.248.0.0/16,149.18.83.0/24,149.57.11.0/24,149.57.16.0/24,150.10.0.0/16,150.22.128.0/17,150.25.0.0/16,150.129.212.0/22,150.242.120.0/22,151.131.0.0/16,151.217.128.0/17,151.243.109.0/24,152.109.0.0/16,152.163.116.0/22,153.14.0.0/16,153.51.160.0/22,153.93.0.0/16,154.16.44.0/24] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 30"; 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:2400029; rev:4813; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Minor, created_at 2010_12_30, updated_at 2026_08_28;)