alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Darcula Credential Phish Socket Response 2025-02-27";
flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"|5b 22|user|5f|connected|22 2c 7b 22|code|22 3a 22|0|22 2c 22|msg|22 3a 22 5c|u5df2|5c|u8fde|5c|u63a5|22 2c 22|userid|22 3a|"; fast_pattern; offset:2;
isdataat:!7,relative;
reference:url,bleepingcomputer.com/news/security/darcula-phaas-can-now-auto-generate-phishing-kits-for-any-brand/;
classtype:credential-theft;
sid:2060401; rev:1;
metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_02_27, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Phishing, tag Darcula, updated_at 2025_02_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)