alert http $EXTERNAL_NET any -> $HOME_NET 8083 (msg:"ET EXPLOIT Linksys Auth Bypass fw_sys_up.cgi"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/cgi-bin/fw_sys_up.cgi"; nocase; reference:url,www.securityfocus.com/archive/1/531107; classtype:attempted-admin; sid:2018156; rev:4; metadata:created_at 2014_02_19, signature_severity Major, updated_at 2024_03_06;)