ET EXPLOIT JetBrains TeamCity Auth Bypass Successful Attempt (CVE-2023-42793)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.CVE-2023-42793;
http.response_body;
content:"|3c|token|20|name|3d 22|"; fast_pattern;
content:"creationTime|3d 22|";
content:"value|3d 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 JetBrains TeamCity Auth Bypass Successful Attempt (CVE-2023-42793) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HTTP_SERVERS,$HOME_NET] any -> any any (
    msg:"ET EXPLOIT JetBrains TeamCity Auth Bypass Successful Attempt (CVE-2023-42793)";
    flow:established,to_client;
    flowbits:isset,ET.CVE-2023-42793;
    http.response_body;
    content:"|3c|token|20|name|3d 22|"; fast_pattern;
    content:"creationTime|3d 22|";
    content:"value|3d 22|";
    reference:url,www.sonarsource.com/blog/teamcity-vulnerability/;
    reference:url,blog.jetbrains.com/teamcity/2023/09/critical-security-issue-affecting-teamcity-on-premises-update-to-2023-05-4-now/;
    reference:url,attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793/rapid7-analysis;
    reference:cve,2023-42793;
    classtype:successful-admin;
    sid:2048461; rev:1;
    metadata:affected_product JetBrains_TeamCity, attack_target Web_Server, created_at 2023_10_05, cve CVE_2023_42793, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Critical, tag CISA_KEV, updated_at 2023_10_05, reviewed_at 2023_10_05;
    target:src_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.