alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (msg:"ET EXPLOIT Junos OS - Successful Unauthenticated Arbitrary File Upload Attempt (CVE-2023-36851)"; flow:established,to_client; flowbits:isset,ET.CVE-2023-36851; http.stat_code; content:"200"; http.response_body; content:"|22|converted_fileName|22|"; fast_pattern; content:"0|3a 20|"; distance:0; content:"|22|original_fileName|22|"; 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:successful-admin; sid:2047868; 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:src_ip;)