ET PHISHING Possible Phishing Redirect 2018-01-30

Query · suricata

flow:established,to_client;
file_data;
content:"<html>|0d 0a|<body>|0d 0a|<script type=|22|text/JavaScript|22|>|0d 0a|<!--|0d 0a|"; nocase; depth:55;
content:"setTimeout(|22|location.href|20|=|20 27|redirection.php?"; nocase; within:100; fast_pattern;
pcre:"/^[a-z0-9_]{50,}/Ri";
content:"|27 3b 22|,0)|3b 0d 0a|-->|0d 0a|</script>|0d 0a|</body>"; nocase; within:100;
Raw source ET PHISHING Possible Phishing Redirect 2018-01-30 · Suricata
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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 Possible Phishing Redirect 2018-01-30";
    flow:established,to_client;
    file_data;
    content:"<html>|0d 0a|<body>|0d 0a|<script type=|22|text/JavaScript|22|>|0d 0a|<!--|0d 0a|"; nocase; depth:55;
    content:"setTimeout(|22|location.href|20|=|20 27|redirection.php?"; nocase; within:100; fast_pattern;
    pcre:"/^[a-z0-9_]{50,}/Ri";
    content:"|27 3b 22|,0)|3b 0d 0a|-->|0d 0a|</script>|0d 0a|</body>"; nocase; within:100;
    classtype:bad-unknown;
    sid:2025267; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_01_30, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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