alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING PigButcher Kit Headers 2024-08-05"; flow:established,to_server; app-layer-event:http.request_auth_unrecognized; flowint:http.anomaly.count,+,1; http.header_names; content:"|0d 0a|x-channel-code"; nocase; fast_pattern; content:"|0d 0a|x-app-code"; nocase; content:"|0d 0a|x-locale"; nocase; classtype:social-engineering; sid:2055539; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_08_27, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2024_08_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)