ET INFO Trend Micro Phishing Simulation Service

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"<title>Error</title>"; nocase;
content:"Trend Micro Phish Insight provides a phishing simulation service"; nocase; fast_pattern;
threshold:type limit, count 1, seconds 600, track by_src;
Raw source ET INFO Trend Micro Phishing Simulation Service · 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 INFO Trend Micro Phishing Simulation Service";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"<title>Error</title>"; nocase;
    content:"Trend Micro Phish Insight provides a phishing simulation service"; nocase; fast_pattern;
    threshold:type limit, count 1, seconds 600, track by_src;
    classtype:social-engineering;
    sid:2039782; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_11_15, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_15;
)

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