ET RETIRED WinGo/Go-rod signInUrls Failed Data Exfiltration attempt

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED WinGo/Go-rod signInUrls Failed Data Exfiltration attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/new"; bsize:4;
    http.user_agent;
    content:"Go-http-client"; startswith;
    http.request_body;
    content:"signInUrls"; fast_pattern;
    reference:md5,e3adc4d6881c16affd4fc0239a79c9b7;
    classtype:trojan-activity;
    sid:2039105; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_10_06, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_18, reviewed_at 2024_09_18;
)