ET WEB_CLIENT Possible Microsoft Internet Explorer CSS Cross-Origin Theft Attempt

Query · suricata

flow:established,to_client;
content:"document.body.currentStyle.fontFamily"; nocase;
content:".indexOf(|22|authenticity_token"; nocase; distance:0;
Raw source ET WEB_CLIENT Possible Microsoft Internet Explorer CSS Cross-Origin Theft Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Possible Microsoft Internet Explorer CSS Cross-Origin Theft Attempt";
    flow:established,to_client;
    content:"document.body.currentStyle.fontFamily"; nocase;
    content:".indexOf(|22|authenticity_token"; nocase; distance:0;
    reference:url,www.theregister.co.uk/2010/09/06/mystery_ie_bug/;
    reference:url,www.darknet.org.uk/2010/09/microsoft-investigate-ie-css-cross-origin-theft-vulnerability/;
    reference:url,seclists.org/fulldisclosure/2010/Sep/64;
    classtype:bad-unknown;
    sid:2011472; rev:3;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_09_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_09_27;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.