ET EXPLOIT CVE-2016-0189 Common Construct M1

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT CVE-2016-0189 Common Construct M1";
    flow:established,from_server;
    file_data;
    content:"%u0008%u4141%u4141%u4141"; nocase;
    content:"redim"; nocase;
    content:"Preserve";
    content:"2000"; distance:0;
    pcre:"/^\s*?\x29/Rs";
    content:"%u400C%u0000%u0000%u0000"; nocase;
    reference:url,theori.io/research/cve-2016-0189;
    reference:cve,2016-0189;
    classtype:attempted-user;
    sid:2022971; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_07_15, cve CVE_2016_0189, deployment Perimeter, performance_impact Low, signature_severity Major, tag CVE_2016_0189, tag CISA_KEV, updated_at 2020_08_19;
)