alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS Dokeos and Chamilo open_document.php file Parameter File Disclosure Attempt";
flow:established,to_server;
content:"../"; depth:200;
http.method;
content:"GET";
http.uri;
content:"/gradebook/open_document.php?"; nocase;
content:"file=";
reference:bugtraq,46173;
classtype:web-application-attack;
sid:2012354; rev:5;
metadata:created_at 2011_02_25, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_11;
)