Rule History

SID: 2017133 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 4 • Jul 10, 2013, 12:00 PM

Message:

ET WEB_CLIENT Microsoft Internet Explorer Use-After-Free (CVE-2013-3163)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Microsoft Internet Explorer Use-After-Free (CVE-2013-3163)"; flow:established,from_server; file_data; content:"<bdo"; nocase; pcre:"/^[\r\n\s\+\>]((?!<\/bdo>).)*?<fieldset[\r\n\s\+\>]((?!<\/fieldset>).)*?<\/bdo>/Rsi"; reference:cve,2013-3163; classtype:attempted-user; sid:2017133; rev:4; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2013_07_10, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2022_06_16;)

Created:

Jul 10, 2013, 12:00 PM

Updated:

Jun 16, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-web_client.rules