ET PHISHING Obfuscated Chase Phishing Landing 2016-03-23

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.content_type;
content:"text/html"; startswith;
file.data;
content:"document.write";
pcre:"/^\s*?\(\s*?unescape\s*?\(/Rsi";
content:"|25 32 45 25 36 33 25 36 38 25 36 31 25 37 33 25 36 35 25 32 45 25 36 33 25 36 46 25 36 44|"; fast_pattern;
Raw source ET PHISHING Obfuscated Chase Phishing Landing 2016-03-23 · 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 Obfuscated Chase Phishing Landing 2016-03-23";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"text/html"; startswith;
    file.data;
    content:"document.write";
    pcre:"/^\s*?\(\s*?unescape\s*?\(/Rsi";
    content:"|25 32 45 25 36 33 25 36 38 25 36 31 25 37 33 25 36 35 25 32 45 25 36 33 25 36 46 25 36 44|"; fast_pattern;
    classtype:social-engineering;
    sid:2032375; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2016_03_23, deployment Perimeter, confidence High, signature_severity Major, tag Phishing, updated_at 2020_08_24, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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