ET EXPLOIT Cisco Smart Software Manager On-Prem (SSM On-Prem) Unauthenticated Password Change Attempt (CVE-2024-20419)

alert http $EXTERNAL_NET any -> [$HTTP_SERVERS,$HOME_NET] any (
    msg:"ET EXPLOIT Cisco Smart Software Manager On-Prem (SSM On-Prem) Unauthenticated Password Change Attempt (CVE-2024-20419)";
    flow:established,to_server;
    flowbits:set,ET.CVE-2024-20419.request;
    urilen:37;
    http.method;
    content:"POST";
    http.uri;
    content:"/backend/reset_password/generate_code"; fast_pattern;
    http.cookie;
    content:"XSRF|2d|TOKEN|3d|"; startswith;
    http.content_type;
    content:"application/json"; startswith;
    threshold:type limit, count 1, seconds 600, track by_src;
    reference:cve,2024-20419;
    reference:url,nvd.nist.gov/vuln/detail/CVE-2024-20419;
    reference:url,sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-auth-sLw3uhUy;
    classtype:attempted-admin;
    sid:2056148; rev:1;
    metadata:affected_product Cisco_IOS, created_at 2024_09_24, cve CVE_2024_20419, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CVE_2024_20419, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)