ET POLICY OnePlus phone data leakage

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET POLICY OnePlus phone data leakage";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/cloud/pushdata"; endswith; fast_pattern;
    http.user_agent;
    content:"okhttp/"; depth:7;
    http.request_body;
    content:"data="; depth:5;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,www.chrisdcmoore.co.uk/post/oneplus-analytics/;
    classtype:policy-violation;
    sid:2025134; rev:5;
    metadata:affected_product Android, attack_target Mobile_Client, created_at 2017_12_06, deployment Perimeter, malware_family Android_OnePlus, confidence High, signature_severity Minor, tag Android, updated_at 2020_11_02;
)