alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS IBM Possible Lotus Domino readme.nsf Cross Site Scripting Attempt";
flow:established,to_server;
http.uri;
content:"/help/readme.nsf/Header"; nocase;
content:"OpenPage="; nocase;
content:"BaseTarget="; nocase;
pcre:"/BaseTarget\x3D.+(script|onmouse[a-z]+|onkey[a-z]+|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange)/i";
reference:url,www.securityfocus.com/bid/38481;
classtype:web-application-attack;
sid:2010865; rev:6;
metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag XSS, tag Cross_Site_Scripting, updated_at 2020_09_11;
)