alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO HTTP Request to Suspicious *.cloud Domain"; flow:established,to_server; http.host; content:".cloud"; fast_pattern; endswith; reference:url,www.spamhaus.org/statistics/tlds/; classtype:bad-unknown; sid:2027874; rev:6; metadata:created_at 2019_08_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_02_13;)