alert ip [205.166.84.0/24,205.166.87.0/24,205.166.130.0/24,205.166.154.0/24,205.166.168.0/24,205.166.183.0/24,205.166.211.0/24,205.172.244.0/22,205.175.160.0/19,205.189.71.0/24,205.189.72.0/23,205.189.207.0/24,205.196.28.0/22,205.196.48.0/23,205.196.51.0/24,205.196.52.0/24,205.196.53.0/24,205.196.54.0/24,205.196.55.0/24,205.196.56.0/22] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 58"; 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:2400057; 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;)