alert ip [185.235.167.0/24,185.237.104.0/24,185.238.176.0/22,185.239.44.0/22,185.239.84.0/22,185.241.208.0/24,185.241.211.0/24,185.242.3.0/24,185.243.96.0/24,185.244.249.0/24,185.245.62.0/23,185.255.20.0/22,185.255.192.0/22,186.65.112.0/20,186.179.0.0/18,187.19.64.0/20,188.124.50.0/24,188.172.160.0/20,188.208.48.0/22,188.208.52.0/22] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 42"; 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:2400041; 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;)