Rule History

alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Possible Microsoft Internet Explorer mshtml.dll Timer ID Memory Pointer Information Disclosure Attempt"; flow:established,to_client; content:"setInterval("; nocase; content:"document.getElementById"; nocase; distance:0; content:".innerHTML"; nocase; distance:0; content:".toString("; nocase; within:60; reference:url,tools.cisco.com/security/center/viewAlert.x?alertId=20815; reference:url,reversemode.com/index.php?option=com_content&task=view&id=68&Itemid=1; classtype:attempted-user; sid:2011764; rev:4; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1082, mitre_technique_name System_Information_Discovery;)