alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS Nagios XI view parameter Cross-Site Scripting Attempt";
flow:established,to_server;
http.uri;
content:"/perfgraphs/index.php?"; nocase;
content:"start="; nocase;
content:"end="; nocase;
content:"view="; nocase;
pcre:"/^.+(?:s(?:cript|tyle\x3D)|on(?:mouse[a-z]|key[a-z]|load|unload|dragdrop|blur|focus|click|dblclick|submit|reset|select|change))/Ri";
reference:url,secunia.com/advisories/49544;
classtype:web-application-attack;
sid:2014951; rev:3;
metadata:created_at 2012_06_22, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;
)