ET EXPLOIT Generic ADSL Router DNS Change POST Request

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"dnsPrimary="; fast_pattern;
content:"dnsSecondary=";
content:"dnsDynamic=";
content:"dnsRefresh=";
Raw source ET EXPLOIT Generic ADSL Router DNS Change POST Request · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Generic ADSL Router DNS Change POST Request";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.request_body;
    content:"dnsPrimary="; fast_pattern;
    content:"dnsSecondary=";
    content:"dnsDynamic=";
    content:"dnsRefresh=";
    reference:url,www.hackersbay.in/2011/02/pwning-routersbsnl.html;
    classtype:attempted-user;
    sid:2020488; rev:4;
    metadata:created_at 2015_02_19, confidence Medium, signature_severity Major, updated_at 2020_09_29;
)

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