ET WEB_SPECIFIC_APPS Fortra GoAnywhere MFT Authentication Bypass via License Servlet (CVE-2025-10035)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Fortra GoAnywhere MFT Authentication Bypass via License Servlet (CVE-2025-10035)";
    flow:established,to_server;
    flowbits:set,ET.GoAnywhere.CVE-2025-10035;
    http.uri;
    content:"/license/Unlicensed.xhtml/"; fast_pattern;
    content:"javax.faces.ViewState|3d|";
    content:"GARequestAction|3d|activate";
    reference:url,labs.watchtowr.com/is-this-bad-this-feels-bad-goanywhere-cve-2025-10035/;
    reference:cve,2025-10035;
    classtype:web-application-attack;
    sid:2064920; rev:1;
    metadata:affected_product Fortra_GoAnywhere, attack_target Server, tls_state TLSDecrypt, created_at 2025_09_25, cve CVE_2025_10035, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)