alert dns any any -> any any (msg:"ET SCAN DNS Query for allports.exposed"; dns.query; content:"allports.exposed"; nocase; endswith; reference:url,blackhillsinfosec.com/poking-holes-in-the-firewall-egress-testing-with-allports-exposed/; classtype:network-scan; sid:2032091; rev:2; metadata:created_at 2021_03_17, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_19;)