Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Suspicious HTML Hex Obfuscated Title - Possible Phishing Landing Jun 28 2017"; flow:from_server,established; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>"; nocase; content:!"</title>"; nocase; within:20; content:"|26 23|x"; within:20; content:"|3b 26 23|x"; distance:2; within:4; fast_pattern; content:"|3b 26 23|x"; distance:2; within:4; content:"|3b 26 23|x"; distance:2; within:4; content:"|3b 26 23|x"; distance:2; within:4; content:"</title>"; nocase; distance:0; classtype:social-engineering; sid:2024432; rev:3; metadata:attack_target Client_Endpoint, created_at 2017_06_28, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)