alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Credentials Sent to Suspicious TLD via HTTP GET"; flow:to_server,established; flowbits:set,ET.eduphish; http.method; content:"GET"; http.uri; content:"user"; nocase; content:"pass"; distance:0; nocase; fast_pattern; http.host; pcre:"/\.(?:ga|gq|cf|ml|gdn|tk|icu)$/"; classtype:social-engineering; sid:2025113; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_12_04, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_08_27;)