ET PHISHING TyKit Exfil M1 2025-10-23

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:14;
content:"/api/login/";
http.request_body;
content:"|7b 22|key|22|"; startswith;
content:"|22|redierct|22|"; fast_pattern; distance:0;
content:"|22|token|22|"; distance:0;
content:"|22|server|22|"; distance:0;
content:"|22|email|22|"; distance:0;
content:"password"; distance:0;
Raw source ET PHISHING TyKit Exfil M1 2025-10-23 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING TyKit Exfil M1 2025-10-23";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:14;
    content:"/api/login/";
    http.request_body;
    content:"|7b 22|key|22|"; startswith;
    content:"|22|redierct|22|"; fast_pattern; distance:0;
    content:"|22|token|22|"; distance:0;
    content:"|22|server|22|"; distance:0;
    content:"|22|email|22|"; distance:0;
    content:"password"; distance:0;
    reference:url,any.run/cybersecurity-blog/tykit-technical-analysis/;
    classtype:social-engineering;
    sid:2065378; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_10_23, deployment Perimeter, confidence High, signature_severity Major, tag Phishing, tag Tykit, updated_at 2025_10_23, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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