ET EXPLOIT Netgear WNDR Router DNS Change POST Request

Query · suricata

flow:to_server,established;
urilen:26;
http.method;
content:"POST";
http.uri;
content:"/apply.cgi?/BAS_update.htm";
http.request_body;
content:"submit_flag=ether"; depth:17; fast_pattern;
content:"&ether_dnsaddr1="; distance:0; nocase;
content:"&Apply=Apply"; distance:0;
Raw source ET EXPLOIT Netgear WNDR Router DNS Change POST Request · Suricata
Esc
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 Netgear WNDR Router DNS Change POST Request";
    flow:to_server,established;
    urilen:26;
    http.method;
    content:"POST";
    http.uri;
    content:"/apply.cgi?/BAS_update.htm";
    http.request_body;
    content:"submit_flag=ether"; depth:17; fast_pattern;
    content:"&ether_dnsaddr1="; distance:0; nocase;
    content:"&Apply=Apply"; distance:0;
    reference:url,www.s3cur1ty.de/node/640;
    classtype:attempted-admin;
    sid:2020859; rev:5;
    metadata:created_at 2015_04_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_21;
)

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