alert dns $HOME_NET any -> any any (msg:"ET INFO DYNAMIC_DNS Query to .afshin .ir Domain"; dns.query; dotprefix; content:".afshin.ir"; nocase; endswith; reference:url,freedns.afraid.org/domain/registry/page-10.html; classtype:misc-activity; sid:2053712; rev:2; metadata:affected_product Any, affected_product IoT, attack_target Client_Endpoint, created_at 2024_06_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_06_21, reviewed_at 2024_10_04;)