alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Potential Fiesta Flash Exploit"; flow:established,to_server; flowbits:set,et.exploitkitlanding; http.uri; content:"/?"; content:"|3b|"; fast_pattern; distance:60; within:7; pcre:"/\/\?[0-9a-f]{60,66}\x3b(?:1(?:0[0-3]|1\d)|90)\d{1,3}\x3b\d{1,3}$/"; classtype:exploit-kit; sid:2016726; rev:8; metadata:created_at 2013_04_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_17;)