ET WEB_SPECIFIC_APPS Zoho ManageEngine RecoveryManager Plus updateProxySettings Command Injection (CVE-2023-48646)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Zoho ManageEngine RecoveryManager Plus updateProxySettings Command Injection (CVE-2023-48646)";
    flow:established,to_server;
    http.uri;
    content:"/api/json/admin/saveServerSettings"; fast_pattern;
    http.request_body;
    content:"admpcsrf|3d|";
    content:"|22|PASSWORD|22 3a|";
    pcre:"/^\s*\x22[^\x22]*?(?:\x5cr|\x5cn|[\x3b\x26\x60\x7c\x24])/R";
    reference:url,hnd3884.github.io/posts/CVE-2023-29084-Command-injection-in-ManageEngine-ADManager-plus/;
    reference:cve,2023-48646;
    classtype:web-application-attack;
    sid:2066204; rev:1;
    metadata:affected_product Zoho_ManageEngine, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_09, cve CVE_2023_48646, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)