alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO DYNAMIC_DNS HTTP Request to a *.satelit .org domain"; flow:established,to_server; http.host; content:".satelit.org"; endswith; fast_pattern; reference:url,freedns.afraid.org/domain/registry/page-8.html; classtype:bad-unknown; sid:2044222; rev:3; metadata:attack_target Client_and_Server, created_at 2023_02_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_12_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;)