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InformationalSplunk security contentRaven Tait +1

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.

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