ET EXPLOIT_KIT Styx Exploit Kit Secondary Landing

Query · suricata

flow:established,to_server;
http.uri;
content:".js";
pcre:"/^[a-z]+\.js$/";
http.referer;
content:"/i.html"; fast_pattern;
pcre:"/^(\?[^=]{1,10}=[^&\r\n]{100,})?$/Ri";
Raw source ET EXPLOIT_KIT Styx Exploit Kit Secondary Landing · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Styx Exploit Kit Secondary Landing";
    flow:established,to_server;
    http.uri;
    content:".js";
    pcre:"/^[a-z]+\.js$/";
    http.referer;
    content:"/i.html"; fast_pattern;
    pcre:"/^(\?[^=]{1,10}=[^&\r\n]{100,})?$/Ri";
    classtype:exploit-kit;
    sid:2016347; rev:8;
    metadata:created_at 2013_02_05, signature_severity Major, updated_at 2020_09_18;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.