alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT DNSChanger EK Landing May 12 2015"; flow:established,from_server; file_data; content:"<input type=|22|hidden|22| id=|22|myip|22|>"; nocase; fast_pattern; content:"CryptoJSAesJson"; nocase; classtype:exploit-kit; sid:2021090; rev:4; metadata:created_at 2015_05_13, confidence High, signature_severity Major, updated_at 2022_03_17;)