ET EXPLOIT WatchGuard CVE-2022-26318 RCE Attempt M1

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST /agent/login"; startswith; nocase;
http.request_body;
content:"|3c|methodName|3e|";
content:"login|3c 2f|methodName|3e|"; within:50; fast_pattern; nocase;
content:"|3c|member|3e 3c|value|3e 3c|"; distance:0; nocase;
content:!"|3e|"; within:400;
Raw source ET EXPLOIT WatchGuard CVE-2022-26318 RCE Attempt M1 · 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 -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT WatchGuard CVE-2022-26318 RCE Attempt M1";
    flow:established,to_server;
    http.request_line;
    content:"POST /agent/login"; startswith; nocase;
    http.request_body;
    content:"|3c|methodName|3e|";
    content:"login|3c 2f|methodName|3e|"; within:50; fast_pattern; nocase;
    content:"|3c|member|3e 3c|value|3e 3c|"; distance:0; nocase;
    content:!"|3e|"; within:400;
    reference:url,www.greynoise.io/blog/watchguard-cve-2022-26318-rce-detection-iocs-and-prevention-for-defenders;
    reference:cve,2022-26318;
    classtype:attempted-admin;
    sid:2035633; rev:2;
    metadata:attack_target Networking_Equipment, created_at 2022_03_29, cve CVE_2022_26318, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2022_03_29;
)

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