ET POLICY Observed KnowBe4/Popcorn Training Simulated Phish Landing Page M5

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /pages/"; startswith; fast_pattern;
content:"/"; distance:13; within:1;
pcre:"/^[A-Za-z0-9+\/]{50,}={0,2} HTTP\//R";
threshold:type limit, track by_src, count 1, seconds 120;
Raw source ET POLICY Observed KnowBe4/Popcorn Training Simulated Phish Landing Page M5 · 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 POLICY Observed KnowBe4/Popcorn Training Simulated Phish Landing Page M5";
    flow:established,to_server;
    http.request_line;
    content:"GET /pages/"; startswith; fast_pattern;
    content:"/"; distance:13; within:1;
    pcre:"/^[A-Za-z0-9+\/]{50,}={0,2} HTTP\//R";
    threshold:type limit, track by_src, count 1, seconds 120;
    classtype:credential-theft;
    sid:2031609; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_02_10, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_23;
)

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