alert ip [60.233.0.0/16,61.11.224.0/19,61.45.251.0/24,62.60.130.0/24,62.60.131.0/24,62.60.134.0/24,62.60.135.0/24,62.60.188.0/22,62.60.226.0/24,62.60.226.0/24,62.204.41.0/24,63.80.8.0/22,64.15.0.0/20,64.69.97.0/24,64.69.98.0/24,64.69.100.0/24,64.69.101.0/24,64.69.102.0/24,64.69.122.0/24,64.69.125.0/24] any -> $HOME_NET any (msg:"ET DROP Spamhaus DROP Listed Traffic Inbound group 10"; 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:2400009; 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;)