Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED DYNAMIC_DNS HTTP Request to *.passinggas.net Domain (Sitelutions)"; flow:established,to_server; content:".passinggas.net"; nocase; http_header; fast_pattern:only; pcre:"/^Host\x3a[^\r\n]+\.passinggas\.net(?:\x3a\d{1,5})?\r?$/Hmi"; classtype:bad-unknown; sid:2018847; rev:2; metadata:created_at 2014_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)