alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ZINC APT Related Backdoor Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"gametype="; startswith; fast_pattern; content:"&type="; distance:4; within:14; isdataat:!30,relative; http.header_names; content:!"Referer"; reference:md5,495b42c2ab9c2d57e8f80eeeb2ae12b0; reference:url,blog.reversinglabs.com/blog/zetanile-open-source-software-trojans-from-north-korea; classtype:trojan-activity; sid:2041656; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, deployment SSLDecrypt, malware_family Lazarus, malware_family ZINC, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_02, reviewed_at 2023_12_11; target:src_ip;)