alert ip [213.5.130.0/24,213.176.24.0/22,213.177.179.0/24,213.209.159.0/24,216.7.96.0/20,216.9.224.0/22,216.26.224.0/19,216.63.240.0/22,216.93.48.0/21,216.93.96.0/19,216.137.144.0/20,216.179.128.0/17,216.189.29.0/24,216.238.36.0/22,216.250.16.0/20,217.60.77.0/24,217.60.102.0/24,217.60.103.0/24,217.60.195.0/24,217.60.197.0/24] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 70"; 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:2400069; rev:4888; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag Dshield, signature_severity Minor, created_at 2010_12_30, updated_at 2026_11_11;)