alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Attacker Relayed Device Code and Verification URI"; flow:established,to_client; flowbits:isset,ET.DeviceCodePhish; http.stat_code; content:"200"; http.content_type; content:"application/json"; http.response_body; content:"|22|code|22|"; content:"verification_"; fast_pattern; pcre:"/^ur(i|l)/Ri"; classtype:social-engineering; sid:2070000; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_18, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Phishing, tag DeviceCodePhish, updated_at 2026_06_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)