alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Possible Successful CDC Coronavirus Related Phish 2020-04-07"; flow:from_server,established; flowbits:isset,ET.genericphish; http.stat_code; content:"302"; http.header; content:"Location: https://www.cdc.gov"; fast_pattern; classtype:credential-theft; sid:2029827; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_04_07, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_04_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)