ET EXPLOIT Redfish API User Enumeration Attempt (CVE-2022-2827)

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Redfish API User Enumeration Attempt (CVE-2022-2827)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/reset-pass"; bsize:15; fast_pattern;
    http.request_body;
    content:"username=";
    content:"verifyOTP=";
    content:"param=2";
    threshold:type threshold, track by_src, count 3, seconds 10;
    reference:url,eclypsium.com/2022/12/05/supply-chain-vulnerabilities-put-server-ecosystem-at-risk;
    classtype:attempted-user;
    sid:2041932; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_12_06, cve CVE_2022_2827, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_07, reviewed_at 2024_05_28;
)