ET WEB_SERVER Possible CVE-2014-6271 Attempt in Client Body 3

Query · suricata

flow:established,to_server;
http.request_body;
content:"()|25|20|25|7b"; fast_pattern;
pcre:"/(:?(?:\x5e|%5e)|([=?&]|\x25(?:3d|3f|26)))\s*?\(\)(?:%20|\x20)(?:%7b|\x7b)/i";
Raw source ET WEB_SERVER Possible CVE-2014-6271 Attempt in Client Body 3 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER Possible CVE-2014-6271 Attempt in Client Body 3";
    flow:established,to_server;
    http.request_body;
    content:"()|25|20|25|7b"; fast_pattern;
    pcre:"/(:?(?:\x5e|%5e)|([=?&]|\x25(?:3d|3f|26)))\s*?\(\)(?:%20|\x20)(?:%7b|\x7b)/i";
    reference:url,blogs.akamai.com/2014/09/environment-bashing.html;
    classtype:attempted-admin;
    sid:2019241; rev:5;
    metadata:created_at 2014_09_25, cve CVE_2014_6271, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_25;
)

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