ET EXPLOIT Likely Struts S2-053-CVE-2017-12611 Exploit Attempt M1

Query · suricata

flow:established,to_server;
http.uri;
content:"=";
content:"%"; distance:0;
content:"{"; distance:0;
content:"ProcessBuilder"; nocase; distance:0; fast_pattern;
content:"java"; nocase;
content:"lang"; nocase;
pcre:"/=\s*\x25\s*\{\s*.+?\bProcessBuilder\b/i";
Raw source ET EXPLOIT Likely Struts S2-053-CVE-2017-12611 Exploit Attempt M1 · 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 EXPLOIT Likely Struts S2-053-CVE-2017-12611 Exploit Attempt M1";
    flow:established,to_server;
    http.uri;
    content:"=";
    content:"%"; distance:0;
    content:"{"; distance:0;
    content:"ProcessBuilder"; nocase; distance:0; fast_pattern;
    content:"java"; nocase;
    content:"lang"; nocase;
    pcre:"/=\s*\x25\s*\{\s*.+?\bProcessBuilder\b/i";
    classtype:attempted-admin;
    sid:2024814; rev:3;
    metadata:affected_product Apache_Struts2, attack_target Web_Server, created_at 2017_10_06, cve CVE_2017_12611, deployment Datacenter, confidence Medium, signature_severity Major, updated_at 2020_08_20;
)

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