ET INFO External Host Creating Docker Container

alert http $EXTERNAL_NET any -> $HOME_NET [2375,2376] (
    msg:"ET INFO External Host Creating Docker Container";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/containers/create";
    http.user_agent;
    content:"Docker-Client"; depth:13; fast_pattern;
    http.request_body;
    content:"|7b 22|Hostname|22 3a 22|"; depth:13;
    http.header_names;
    content:!"Referer";
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/misconfigured-container-abused-to-deliver-cryptocurrency-mining-malware/;
    reference:url,www.cadosecurity.com/containerised-clicks-malicious-use-of-9hits-on-vulnerable-docker-hosts/;
    classtype:misc-activity;
    sid:2026561; rev:6;
    metadata:attack_target Server, created_at 2018_10_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Docker, updated_at 2024_01_18;
)