alert ip [119.82.12.0/22,119.161.184.0/21,119.161.248.0/22,119.161.252.0/22,119.227.224.0/19,119.232.0.0/16,120.30.0.0/16,120.30.64.0/18,120.64.0.0/16,120.67.0.0/16,120.128.128.0/17,120.128.192.0/18,120.129.0.0/17,120.129.128.0/17,120.130.0.0/16,120.130.128.0/18,120.233.59.0/24,121.14.35.0/24,121.127.233.0/24,121.234.236.0/24] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 24"; 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:2400023; 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;)