alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Hyteod.Downloader CnC Beacon"; flow:established,to_server; http.uri; content:"/payment_gateway/"; startswith; content:".gz"; endswith; pcre:"/\/[a-z0-9]{3,}\.gz$/"; http.user_agent; content:"OperaMini"; startswith; reference:md5,8258c3d8bab63cacf143cf034e2e7c1a; classtype:command-and-control; sid:2019824; rev:6; metadata:attack_target Client_Endpoint, created_at 2014_12_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_04_13, reviewed_at 2024_03_25, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)