ET EXPLOIT ScadaBR RCE with JSP Shell Inbound (CVE-2021-26828)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/ScadaBR/view_edit.shtm"; fast_pattern;
http.request_body;
content:"|22|view.name|22|";
content:"|0d 0a 0d 0a|";
content:"|3c 25 40|"; distance:0; within:5;
Raw source ET EXPLOIT ScadaBR RCE with JSP Shell Inbound (CVE-2021-26828) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HTTP_SERVERS,$HOME_NET] any (
    msg:"ET EXPLOIT ScadaBR RCE with JSP Shell Inbound (CVE-2021-26828)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/ScadaBR/view_edit.shtm"; fast_pattern;
    http.request_body;
    content:"|22|view.name|22|";
    content:"|0d 0a 0d 0a|";
    content:"|3c 25 40|"; distance:0; within:5;
    reference:url,github.com/hevox/CVE-2021-26828_ScadaBR_RCE/blob/main/LinScada_RCE.py;
    reference:cve,2021-26828;
    classtype:attempted-admin;
    sid:2032766; rev:1;
    metadata:attack_target Server, created_at 2021_04_15, cve CVE_2021_26828, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_15;
)

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