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

Query · suricata

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|";
target:src_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET EXPLOIT Junos OS - Successful Unauthenticated Arbitrary File Upload Attempt (CVE-2023-36851) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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