alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Deep Panda - Sakula/Mivast RAT CnC Beacon 5"; flow:to_server,established; http.method; content:"GET"; http.uri; content:".jpg?id="; fast_pattern; pcre:"/\.jpg\?id=\d+$/"; http.header; content:!"tagesschau.de"; http.host; content:!"threatseeker.com"; http.user_agent; content:!"ClipOrganizer"; content:!"juniper-ewf"; http.header_names; content:!"Accept"; content:!"Referer|0d 0a|"; classtype:command-and-control; sid:2021203; rev:8; metadata:attack_target Client_Endpoint, created_at 2015_06_08, deployment Perimeter, deprecation_reason False_Positive, confidence High, signature_severity Major, tag c2, updated_at 2024_10_15, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)