ET WEB_SPECIFIC_APPS D-Link NAS devices Backdoor Account Access and Command Injection Attempt (CVE-2024-3273)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS D-Link NAS devices Backdoor Account Access and Command Injection Attempt (CVE-2024-3273)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/nas_sharing.cgi?"; startswith;
    content:"user|3d|messagebus"; fast_pattern;
    content:"passwd|3d|";
    content:"cmd|3d|15";
    content:"system|3d|";
    reference:url,supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10383;
    reference:cve,2024-3273;
    classtype:attempted-admin;
    sid:2051955; rev:1;
    metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2024_04_08, cve CVE_2024_3273, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2024_04_08, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
    target:dest_ip;
)