ET EXPLOIT IE Scripting Engine Memory Corruption Vulnerability M1 (CVE-2019-0752)

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT IE Scripting Engine Memory Corruption Vulnerability M1 (CVE-2019-0752)";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"text/html"; startswith;
    file.data;
    content:"<script language=|22|";
    content:"VBScript"; within:8; nocase;
    content:"|2e|scrollLeft"; distance:0;
    content:"|26|h4003|09 27 20|VT_BYREF|20 7c 20|VT_I4"; distance:0; fast_pattern;
    content:"|28 28 28 28 5c 2e 2e 5c|"; distance:0;
    content:"Powershell"; within:10; nocase;
    content:"|26|h40|2c 20 22 23 3e 24|"; within:400;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/slub-gets-rid-of-github-intensifies-slack-use;
    reference:url,www.zerodayinitiative.com/blog/2019/5/21/rce-without-native-code-exploitation-of-a-write-what-where-in-internet-explorer;
    reference:cve,CVE-2019-0752;
    classtype:attempted-admin;
    sid:2027721; rev:3;
    metadata:affected_product Internet_Explorer, attack_target Client_Endpoint, created_at 2019_07_17, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2020_11_18;
)