ET PHISHING Attacker Relayed Device Code and Verification URI

Query · suricata

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";

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET PHISHING Attacker Relayed Device Code and Verification URI · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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