alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT DRIVEBY ACH - Redirection"; flow:from_server,established; file_data; content:"<title>NACHA</title>"; classtype:exploit-kit; sid:2013474; rev:5; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_08_26, deployment Perimeter, signature_severity Major, tag DriveBy, updated_at 2019_07_26;)