ET EXPLOIT CHIYU IoT Devices - Denial of Service

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/if.cgi?redirect=AccLog.htm"; startswith;
content:"&type=go_log_page&page=2781000"; endswith; fast_pattern;
http.referer;
content:"/AccLog.htm"; endswith;
Raw source ET EXPLOIT CHIYU IoT Devices - Denial of Service · 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 -> $HOME_NET any (
    msg:"ET EXPLOIT CHIYU IoT Devices - Denial of Service";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/if.cgi?redirect=AccLog.htm"; startswith;
    content:"&type=go_log_page&page=2781000"; endswith; fast_pattern;
    http.referer;
    content:"/AccLog.htm"; endswith;
    reference:cve,2021-31642;
    reference:url,www.exploit-db.com/exploits/49937;
    classtype:denial-of-service;
    sid:2033362; rev:2;
    metadata:affected_product IoT, attack_target Client_Endpoint, created_at 2021_07_19, cve CVE_2021_31642, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_19;
)

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