alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE GoLang Popping Eagle Trojan Related Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"standards=High"; startswith; fast_pattern; http.header_names; content:!"Referer"; reference:url,unit42.paloaltonetworks.com/popping-eagle-malware/; classtype:trojan-activity; sid:2036929; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_08, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_08;)