Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Evil Redirector Leading to EK Jan 27 2016 (Evil Keitaro FB Set)"; flow:established,to_server; urilen:>5; content:"/?3b"; http_uri; depth:4; pcre:"/^\/\?3b[A-Z0-9a-z]{2}(&subid=[^&]*)?$/U"; flowbits:set,ET.Keitaro; flowbits:noalert; classtype:exploit-kit; sid:2022464; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_01_28, deployment Perimeter, confidence High, signature_severity Major, tag Redirector, updated_at 2019_07_26;)