Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Potential MSXML2.DOMDocument.4-6.0 Uninitialized Memory Corruption (CVE-2012-1889)"; flow:to_client,established; file_data; content:"88d96"; nocase; content:"-f192-11d4-a65f-0040963251e5"; distance:3; within:28; nocase; content:"definition"; nocase; pcre:"/clsid\s*\x3a\s*\x7B?\s*88d96(9c(0|1)|9e(5|6)|a0(5|6))-f192-11d4-a65f-0040963251e5/si"; pcre:"/(?:\[\s*[\x22\x27]definition[\x22\x27]\s*\]|\.definition)\(/"; reference:cve,CVE-2012-1889; classtype:attempted-admin; sid:2015555; rev:19; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2012_06_19, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2022_06_10;)