ET EXPLOIT Possible Vacron NVR Remote Command Execution M2

Query · suricata

flow:to_server,established;
http.uri;
content:"/board.cgi"; fast_pattern;
http.request_body;
content:"cmd="; depth:4;
pcre:"/[^&]*(?:\x60|\x24)/R";
Raw source ET EXPLOIT Possible Vacron NVR Remote Command Execution M2 · 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 -> $HOME_NET any (
    msg:"ET EXPLOIT Possible Vacron NVR Remote Command Execution M2";
    flow:to_server,established;
    http.uri;
    content:"/board.cgi"; fast_pattern;
    http.request_body;
    content:"cmd="; depth:4;
    pcre:"/[^&]*(?:\x60|\x24)/R";
    reference:url,blogs.securiteam.com/index.php/archives/3445;
    reference:url,researchcenter.paloaltonetworks.com/2018/09/unit42-multi-exploit-iotlinux-botnets-mirai-gafgyt-target-apache-struts-sonicwall/;
    classtype:attempted-admin;
    sid:2026103; rev:3;
    metadata:attack_target Networking_Equipment, created_at 2018_09_10, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;
)

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