alert ip [112.90.143.0/24,112.142.0.0/15,112.143.0.0/19,112.213.96.0/19,113.203.208.0/20,113.212.128.0/19,113.213.128.0/18,114.134.28.0/22,114.231.216.0/22,114.239.188.0/24,115.144.69.0/24,115.167.3.0/24,115.167.64.0/24,117.18.0.0/24,117.60.11.0/24,117.120.136.0/22,118.107.0.0/18,118.107.16.0/20,119.13.179.0/24,119.27.192.0/18] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 27"; 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:2400026; 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;)