alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Fiesta Flash Exploit Download"; flow:established,to_client; flowbits:isset,ET.Fiesta.Exploit.URI; file.data; content:"ZWS"; within:3; classtype:exploit-kit; sid:2018410; rev:3; metadata:created_at 2014_04_23, signature_severity Major, updated_at 2024_03_13;)