ET PHISHING Secure Email Portal Lure Landing Page

Query · suricata

flow:established,to_client;
file.data;
content:"|3c|tr|3e 3c|td|3e 3c|IMG|20|SRC|3d 22|";
content:"name|3d 22|submitButton|22 20|value|3d 22 20 20 20 20|Click|20|to|20|read|20|message|20 20 20 20 22 3e|"; fast_pattern;
content:"|3b 20|text|2d|align|3a 20|center|3b 22 3e 20 20 3c|A|20|HREF|3d 22 22|";
content:!"|2f|formpostdir|2f|safeformpost|2e|aspx|22 3e|";
Raw source ET PHISHING Secure Email Portal Lure Landing Page · 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 Secure Email Portal Lure Landing Page";
    flow:established,to_client;
    file.data;
    content:"|3c|tr|3e 3c|td|3e 3c|IMG|20|SRC|3d 22|";
    content:"name|3d 22|submitButton|22 20|value|3d 22 20 20 20 20|Click|20|to|20|read|20|message|20 20 20 20 22 3e|"; fast_pattern;
    content:"|3b 20|text|2d|align|3a 20|center|3b 22 3e 20 20 3c|A|20|HREF|3d 22 22|";
    content:!"|2f|formpostdir|2f|safeformpost|2e|aspx|22 3e|";
    classtype:credential-theft;
    sid:2033064; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_06_01, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2021_06_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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