Windows TeamCity Plugin Installed
Detects the creation of a plugin zip file under the TeamCity data structure. This indicates a new plugin has been installed and can potentially indicate attempts to gain code execution on the TeamCity server if the…
Description
Detects the creation of a plugin zip file under the TeamCity data structure. This indicates a new plugin has been installed and can potentially indicate attempts to gain code execution on the TeamCity server if the plugin installation was unexpected.
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows
The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.
- Log source category
- sysmon_eventid_11
Known benign triggers
- Legitimate plugin installations by authorized administrators can trigger this detection. Verify with change management records before investigating further.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| thehackernews.com/2024/03/critical-jetbrains-teamcity-on-premises.html | 2 |
| www.rapid7.com/blog/post/2024/03/04/etr-cve-2024-27198-and-cve-2024-27199-jetbrains-teamcity-multiple-authentication-bypass-vulnerabilities-fixed/ | 5 |
From the source
- At source
- Open at source
- Upstream identifier
- 2fd33fb6-8c72-4e88-869f-b3b516f9f37e
- Tagged by the source as
- JetBrains TeamCity Unauthenticated RCEJetBrains TeamCity VulnerabilitiesEndpointendpointSplunk CloudSplunk EnterpriseSplunk Enterprise Securityendpoint
Licence
- Published under
- Apache License 2.0Read the licence
- Attribution
- Required
- Obtained under
- Apache-2.0Read the origin licence
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1