ET MALWARE ZINC APT Related Backdoor Activity (POST)

Query · suricata

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";
target:src_ip;
Raw source ET MALWARE ZINC APT Related Backdoor Activity (POST) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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