alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY DNSWatch .info IP Check"; flow:established,to_server; http.uri; content:"/dns/dnslookup?la=en&host="; fast_pattern; content:"&type=A&submit=Resolve"; distance:0; http.user_agent; content:"Mozilla/5.0 (compatible|3b 20|MSIE 6.0.1|3b 20|"; depth:37; content:"WININET 5.0)"; isdataat:!1,relative; http.host; content:"www.dnswatch.info"; reference:md5,efb755e662d7b933c4c65a411c166185; classtype:misc-activity; sid:2014359; rev:13; metadata:attack_target Client_Endpoint, created_at 2012_03_10, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_03_19, reviewed_at 2024_03_19; target:src_ip;)