ET EXPLOIT Netgear R6260 Mini_httpd Buffer Overflow Attempt - Possible RCE (CVE-2021-34979)

Query · suricata

flow:established,to_server;
http.header;
content:"SOAPAction|3a 20|";
content:"urn:NETGEAR-ROUTER:service:"; within:30; fast_pattern;
content:!"|0d 0a|"; within:131;
pcre:"/^SOAPAction\x3a\x20\x22?urn\x3aNETGEAR-ROUTER\x3aservice\x3a.{128,}(?!:\d#)/Hm";
http.request_body;
content:"|3c 3f|xml"; startswith;
Raw source ET EXPLOIT Netgear R6260 Mini_httpd Buffer Overflow Attempt - Possible RCE (CVE-2021-34979) · 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 R6260 Mini_httpd Buffer Overflow Attempt - Possible RCE (CVE-2021-34979)";
    flow:established,to_server;
    http.header;
    content:"SOAPAction|3a 20|";
    content:"urn:NETGEAR-ROUTER:service:"; within:30; fast_pattern;
    content:!"|0d 0a|"; within:131;
    pcre:"/^SOAPAction\x3a\x20\x22?urn\x3aNETGEAR-ROUTER\x3aservice\x3a.{128,}(?!:\d#)/Hm";
    http.request_body;
    content:"|3c 3f|xml"; startswith;
    reference:url,nstarke.github.io/netgear/nday/2022/03/13/reverse-engineering-a-netgear-nday.html;
    reference:cve,2021-34979;
    classtype:trojan-activity;
    sid:2035446; rev:1;
    metadata:attack_target Networking_Equipment, created_at 2022_03_14, cve CVE_2021_34979, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, updated_at 2022_03_14;
)

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