ET EXPLOIT Possible Android Stagefright MP4 (CVE 2016-3861) Set

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible Android Stagefright MP4 (CVE 2016-3861) Set";
    flow:established,from_server;
    file_data;
    content:"ftyp"; fast_pattern; offset:4; depth:4;
    content:"|00|"; distance:5; within:1;
    flowbits:set,ET.MP4Stagefright;
    flowbits:noalert;
    reference:cve,2016-3861;
    reference:url,googleprojectzero.blogspot.com.br/2016/09/return-to-libstagefright-exploiting.html;
    classtype:attempted-user;
    sid:2023184; rev:2;
    metadata:created_at 2016_09_12, cve CVE_2016_3861, confidence Medium, signature_severity Major, tag Android_Exploit, updated_at 2019_07_26;
)