alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Possible Firefox CVE-2013-1690"; flow:established,from_server; file_data; content:"window.stop("; fast_pattern; nocase; content:"ownerDocument.write("; nocase; content:"addEventListener("; nocase; content:"readystatechange"; distance:0; nocase; content:"Array"; nocase; reference:cve,2013-1690; classtype:attempted-user; sid:2017298; rev:5; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2013_08_08, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2022_07_01;)