ET WEB_SPECIFIC_APPS HummerRisk dryRun filename Parameter Command Injection Attempt (CVE-2026-3065)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS HummerRisk dryRun filename Parameter Command Injection Attempt (CVE-2026-3065)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:19;
    content:"/task/manual/dryRun"; fast_pattern;
    http.request_body;
    content:"|22|parameter|22|";
    content:"|22|key|22|";
    content:"|22|fileName|22|";
    content:"|22|defaultValue|22|";
    pcre:"/\x22(?:key|fileName|defaultValue)\x22(?:\x3a(?:\x20\x22|\x22))?[^\x2c\x7d$]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(?:\x26|%26){2})+/R";
    reference:url,github.com/AnalogyC0de/public_exp/issues/9;
    reference:cve,2026-3065;
    classtype:attempted-admin;
    sid:2067914; rev:1;
    metadata:affected_product HummerRisk, attack_target Web_Server, tls_state plaintext, created_at 2026_02_24, cve CVE_2026_3065, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)