Rule History

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;)