alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS PHool mainnav Parameter Remote File inclusion Attempt";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/includes/layout/plain.footer.php?"; nocase;
content:"mainnav="; nocase;
pcre:"/^\s*(?:ftps?|https?|php)\:\//Ri";
reference:url,packetstormsecurity.org/files/106073/sportsphool-rfi.txt;
classtype:web-application-attack;
sid:2013815; rev:4;
metadata:created_at 2011_10_31, signature_severity Major, updated_at 2020_04_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)