alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT StyX EK Payload Cookie"; flow:established,to_server; content:"Cookie|3a 20|fGGhTasdas=http"; classtype:exploit-kit; sid:2017744; rev:2; metadata:created_at 2013_11_22, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)