ET PHISHING Possible Phishing Landing - Common Multiple JS Unescape May 25 2017


Query · suricata

flow:from_server,established;
file_data;
content:"<script type=|22|text/javascript|22|>|0d 0a|<!--|0d 0a|"; nocase;
content:"document.write(unescape(|27|"; nocase; fast_pattern; within:25;
content:"|27 29 29 3b 0d 0a|//-->|0d 0a|</script>"; nocase; distance:0;
content:"<script type=|22|text/javascript|22|>|0d 0a|<!--|0d 0a|"; nocase; distance:0;
content:"document.write(unescape(|27|"; nocase; within:25;
content:"|27 29 29 3b 0d 0a|//-->|0d 0a|</script>"; nocase; distance:0;
Raw source ET PHISHING Possible Phishing Landing - Common Multiple JS Unescape May 25 2017 · 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 Possible Phishing Landing - Common Multiple JS Unescape May 25 2017";
    flow:from_server,established;
    file_data;
    content:"<script type=|22|text/javascript|22|>|0d 0a|<!--|0d 0a|"; nocase;
    content:"document.write(unescape(|27|"; nocase; fast_pattern; within:25;
    content:"|27 29 29 3b 0d 0a|//-->|0d 0a|</script>"; nocase; distance:0;
    content:"<script type=|22|text/javascript|22|>|0d 0a|<!--|0d 0a|"; nocase; distance:0;
    content:"document.write(unescape(|27|"; nocase; within:25;
    content:"|27 29 29 3b 0d 0a|//-->|0d 0a|</script>"; nocase; distance:0;
    classtype:social-engineering;
    sid:2025227; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_05_25, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2022_03_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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