alert ip [45.141.56.0/24,45.141.58.0/23,45.141.84.0/22,45.141.215.0/24,45.142.152.0/22,45.142.155.0/24,45.142.193.0/24,45.143.158.0/24,45.143.201.0/24,45.144.212.0/24,45.148.10.0/24,45.150.34.0/24,45.150.212.0/22,45.152.149.0/24,45.153.34.0/24,45.154.98.0/24,45.154.244.0/24,45.156.87.0/24,45.170.247.0/24,45.192.178.0/23] 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: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;)