Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Possible Microsoft Internet Explorer URI Validation Remote Code Execution Attempt"; flow:established,to_client; content:"#|3A|../../"; content:"C|3A 5C|"; nocase; within:50; pcre:"/\x2E\x2E\x2F\x2E\x2E\x2F.+C\x3A\x5C[a-z]/si"; reference:url,www.securityfocus.com/bid/37884; reference:cve,2010-0027; classtype:attempted-user; sid:2010798; rev:5; 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_09_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)