ET EXPLOIT Junos OS - Unauthenticated Arbitrary File Upload Attempt (CVE-2023-36851)

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Junos OS - Unauthenticated Arbitrary File Upload Attempt (CVE-2023-36851)";
    flow:established,to_server;
    flowbits:set,ET.CVE-2023-36851;
    http.method;
    content:"POST";
    http.uri;
    content:"/webauth_operation.php"; fast_pattern;
    http.request_body;
    content:"rs=do_upload"; nocase;
    content:"rsargs"; nocase;
    content:"fileName"; nocase;
    content:"fileData"; nocase;
    content:"csize"; nocase;
    reference:url,supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution;
    reference:url,labs.watchtowr.com/cve-2023-36844-and-friends-rce-in-juniper-firewalls/;
    reference:cve,2023-36846;
    reference:cve,2023-36847;
    classtype:attempted-admin;
    sid:2047867; rev:2;
    metadata:affected_product JunOS, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2023_09_01, cve CVE_2023_36851, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2024_03_12, reviewed_at 2023_09_01;
    target:dest_ip;
)