ET PHISHING Successful Mailbox Update Phish 2016-02-17 M2

Query · suricata

flow:to_client,established;
http.stat_code;
content:"200";
http.content_type;
content:"text/html"; startswith;
file.data;
content:"Your e-mail account will be verify"; nocase; fast_pattern;
content:"DO NOT RESEND"; nocase; distance:0;
content:"MESSAGE IS FROM THE SYSTEM ADMIN"; nocase; distance:0;
Raw source ET PHISHING Successful Mailbox Update Phish 2016-02-17 M2 · 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 Successful Mailbox Update Phish 2016-02-17 M2";
    flow:to_client,established;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"text/html"; startswith;
    file.data;
    content:"Your e-mail account will be verify"; nocase; fast_pattern;
    content:"DO NOT RESEND"; nocase; distance:0;
    content:"MESSAGE IS FROM THE SYSTEM ADMIN"; nocase; distance:0;
    classtype:credential-theft;
    sid:2031968; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2016_02_17, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_06_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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