ET EXPLOIT Mitsubishi Electric smartRTU RCE Outbound (CVE-2019-14931)

alert http [$HTTP_SERVERS,$HOME_NET] any -> any any (
    msg:"ET EXPLOIT Mitsubishi Electric smartRTU RCE Outbound (CVE-2019-14931)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/action.php";
    http.request_body;
    content:"|7b 27|host|27 20 3a 20 27 3b|"; startswith; fast_pattern;
    reference:url,unit42.paloaltonetworks.com/mirai-variant-echobot-resurfaces-with-13-previously-unexploited-vulnerabilities/;
    reference:cve,2019-14931;
    classtype:attempted-admin;
    sid:2032637; rev:1;
    metadata:created_at 2021_04_09, cve CVE_2019_14931, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_09;
)