ET EXPLOIT Advantech iView RCE Setup via Config Overwrite Inbound (CVE-2021-22652)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/iView3/NetworkServlet"; fast_pattern;
http.request_body;
content:"page_action"; startswith;
content:"|22|EXPORTPATH|22 3a 20 22|webapps|5c 5c|iView3|5c 5c 22|";
Raw source ET EXPLOIT Advantech iView RCE Setup via Config Overwrite Inbound (CVE-2021-22652) · 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 Advantech iView RCE Setup via Config Overwrite Inbound (CVE-2021-22652)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/iView3/NetworkServlet"; fast_pattern;
    http.request_body;
    content:"page_action"; startswith;
    content:"|22|EXPORTPATH|22 3a 20 22|webapps|5c 5c|iView3|5c 5c 22|";
    reference:url,www.rapid7.com/blog/post/2021/02/11/cve-2021-22652-advantech-iview-missing-authentication-rce-fixed/;
    reference:cve,2021-22652;
    classtype:attempted-admin;
    sid:2032767; rev:1;
    metadata:attack_target Web_Server, created_at 2021_04_15, cve CVE_2021_22652, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_15;
)

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