alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Styx Exploit Kit Jerk.cgi TDS"; flow:established,to_server; http.uri; content:"/jerk.cgi?"; fast_pattern; pcre:"/\x2Fjerk\x2Ecgi\x3F[0-9]$/"; reference:url,malwaremustdie.blogspot.co.uk/2013/02/the-infection-of-styx-exploit-kit.html; classtype:exploit-kit; sid:2016352; rev:4; metadata:created_at 2013_02_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18;)