alert http $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET VOIP Centrality IP Phone (PA-168 Chipset) Session Hijacking"; flow:established,to_server; content:"POST "; nocase; depth:5; content:"/g"; http_uri; nocase; content:"back=++Back++"; nocase; pcre:"/^\/g($|[?#])/Ui"; reference:url,www.milw0rm.com/exploits/3189; reference:cve,2007-0528; classtype:attempted-user; sid:2003329; rev:7; metadata:created_at 2010_07_30, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_22;)