alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Malicious JS Leading to Fiesta EK"; flow:established,to_client; file.data; content:"xapLoad"; fast_pattern; content:"swfLoad"; content:"xapURL"; content:"swfURL"; content:"errURL"; content:"var id"; classtype:exploit-kit; sid:2019920; rev:3; metadata:created_at 2014_12_11, confidence High, signature_severity Major, updated_at 2024_03_14;)