ET EXPLOIT EyesOfNetwork Autodiscover Command Injection (CVE-2020-8654)

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT EyesOfNetwork Autodiscover Command Injection (CVE-2020-8654)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/lilac/autodiscovery.php"; endswith; fast_pattern;
    http.request_body;
    content:"request=autodiscover"; nocase;
    content:"job_name="; nocase;
    content:"nmap_binary"; nocase;
    content:"target"; nocase;
    pcre:"/^(?:\x5b|\x25(?:25)?5[bB])(?:\x5d|\x25(?:25)?5[dD])/R";
    reference:url,www.exploit-db.com/exploits/48169;
    reference:cve,2020-8654;
    reference:cve,2020-8655;
    classtype:attempted-admin;
    sid:2034311; rev:2;
    metadata:attack_target Server, created_at 2021_11_01, cve CVE_2020_8654, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_07_30, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)