alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Eleonore Exploit Pack activity"; flow:established,to_server; content:"?spl="; http_uri; content:"&br="; http_uri; content:"&vers="; http_uri; content:"&s="; http_uri; pcre:"/\?spl=\d+&br=[A-Za-z]+&vers=\d\.\d&s=[a-z0-9]+[^&]$/U"; reference:url,www.offensivecomputing.net/?q=node/1419; classtype:trojan-activity; sid:2010248; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)