ET WEB_SERVER Possible Apache Struts OGNL Expression Injection

Query · suricata

flow:to_server,established;
http.uri;
content:"|24 7b|";
content:"|25 7b|"; distance:0;
content:"|7d|"; distance:0;
pcre:"/\${\s*?%{/";
Raw source ET WEB_SERVER Possible Apache Struts OGNL Expression Injection · 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 -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER Possible Apache Struts OGNL Expression Injection";
    flow:to_server,established;
    http.uri;
    content:"|24 7b|";
    content:"|25 7b|"; distance:0;
    content:"|7d|"; distance:0;
    pcre:"/\${\s*?%{/";
    reference:cve,2013-2135;
    reference:bugtraq,60345;
    reference:url,cwiki.apache.org/confluence/display/WW/S2-015;
    classtype:web-application-attack;
    sid:2023535; rev:3;
    metadata:affected_product Apache_HTTP_server, attack_target Web_Server, created_at 2016_11_18, cve CVE_2013_2135, deployment Datacenter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_08_03;
)

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