ET EXPLOIT D-Link webupg Remote Code Execution Attempt Inbound (CVE 2021-46441, 2021-46442)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/cgi-bin/webupg"; fast_pattern; bsize:15;
http.referer;
content:"autoupgrade.asp"; endswith;
http.request_body;
content:"name|3d|shell&key|3d|twmode&cmd|3d|";
Raw source ET EXPLOIT D-Link webupg Remote Code Execution Attempt Inbound (CVE 2021-46441, 2021-46442) · 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 D-Link webupg Remote Code Execution Attempt Inbound (CVE 2021-46441, 2021-46442)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi-bin/webupg"; fast_pattern; bsize:15;
    http.referer;
    content:"autoupgrade.asp"; endswith;
    http.request_body;
    content:"name|3d|shell&key|3d|twmode&cmd|3d|";
    reference:url,github.com/tgp-top/D-Link-DIR-825;
    reference:cve,2021-46441;
    reference:cve,2021-46442;
    classtype:attempted-admin;
    sid:2044009; rev:1;
    metadata:affected_product IoT, attack_target Networking_Equipment, created_at 2023_01_27, cve CVE_2021_46441, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_27, reviewed_at 2024_09_30, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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