alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Dotka Chef EK .cache request"; flow:established,to_server; flowbits:set,et.exploitkitlanding; http.uri; content:"/.cache/?f|3d|"; fast_pattern; http.user_agent; content:"Java/1"; classtype:exploit-kit; sid:2017019; rev:5; metadata:created_at 2013_06_15, confidence High, signature_severity Major, updated_at 2024_03_17;)