alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Suspicious Minimal HTTP Refresh to Googledrive.com - Possible Phishing"; flow:to_client,established; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; http.header; pcre:"/Content\-Length\x3a\x20\d{3}\x0d\x0a/mi"; file.data; content:"<META HTTP-EQUIV="; nocase; content:"refresh"; distance:1; nocase; content:"googledrive.com"; distance:0; nocase; fast_pattern; within:50; classtype:trojan-activity; sid:2032107; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_08, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_07_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)