ET EXPLOIT UDP Technology Firmware (IP Cam) - Possible Stack Buffer Overflow Attempt Outbound (Multiple CVE IDs)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/uapi-cgi/"; fast_pattern;
content:".cgi"; endswith;
http.request_body;
content:"action=";
pcre:"/^[^&]{150,}/R";
Raw source ET EXPLOIT UDP Technology Firmware (IP Cam) - Possible Stack Buffer Overflow Attempt Outbound (Multiple CVE IDs) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (
    msg:"ET EXPLOIT UDP Technology Firmware (IP Cam) - Possible Stack Buffer Overflow Attempt Outbound (Multiple CVE IDs)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/uapi-cgi/"; fast_pattern;
    content:".cgi"; endswith;
    http.request_body;
    content:"action=";
    pcre:"/^[^&]{150,}/R";
    reference:cve,2021-33545;
    reference:cve,2021-33546;
    reference:cve,2021-33547;
    reference:cve,2021-33549;
    reference:url,www.randorisec.fr/udp-technology-ip-camera-vulnerabilities/;
    classtype:attempted-admin;
    sid:2033311; rev:1;
    metadata:created_at 2021_07_09, cve CVE_2021_33545, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_05;
)

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