ET EXPLOIT_KIT BottleEK Plugin Check JS

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT BottleEK Plugin Check JS";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"application/javascript";
    file.data;
    content:"hasFlash=0x1";
    content:"flashVersion=parseInt(VSwf"; distance:0; fast_pattern;
    content:"new RegExp('MSIE|5c|x20(|5c|x5cd+|5c|x5c.|5c|x5cd+)|3b|')|3b|"; distance:0;
    content:"))|3b|if(user==''){setCookie("; distance:0;
    content:"'data':{'data1':chk,'data2':is64,'data3':fls"; distance:0;
    classtype:exploit-kit;
    sid:2029123; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_12, deployment Perimeter, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_24;
)