alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET EXPLOIT_KIT LightsOut EK POST Compromise POST";
flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:".php?id="; nocase;
content:"&v1="; nocase;
content:"&v2="; nocase; fast_pattern;
content:"&q="; nocase;
http.header;
content:"Content-Length|3a 20|0";
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept|0d 0a|";
reference:url,blogs.cisco.com/security/watering-hole-attacks-target-energy-sector;
classtype:exploit-kit;
sid:2017544; rev:4;
metadata:created_at 2013_09_30, confidence High, signature_severity Major, updated_at 2020_09_21;
)