alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Possible LightsOut EK start.jar"; flow:established,to_server; http.uri; content:"/start.jar"; fast_pattern; nocase; reference:url,blogs.cisco.com/security/watering-hole-attacks-target-energy-sector; classtype:exploit-kit; sid:2017538; rev:5; metadata:created_at 2013_09_30, confidence Medium, signature_severity Major, updated_at 2024_03_16;)