ET WEB_CLIENT Hex Obfuscation of document.write # Encoding

Query · suricata

flow:established,to_client;
content:"#64#6f#63#75#6d#65#6e#74#2e#77#72#69#74#65"; nocase;
Raw source ET WEB_CLIENT Hex Obfuscation of document.write # Encoding · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (
    msg:"ET WEB_CLIENT Hex Obfuscation of document.write # Encoding";
    flow:established,to_client;
    content:"#64#6f#63#75#6d#65#6e#74#2e#77#72#69#74#65"; nocase;
    reference:url,cansecwest.com/slides07/csw07-nazario.pdf;
    reference:url,www.sophos.com/security/technical-papers/malware_with_your_mocha.html;
    classtype:bad-unknown;
    sid:2012245; rev:2;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_01_27, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;
)

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