Python Path File (pth) Creation
This rule detects the creation of .pth files in system-wide and user-specific Python package directories, which can be abused for persistent code execution. .pth files automatically execute Python code when the…
Description
This rule detects the creation of .pth files in system-wide and user-specific Python package directories, which can be abused for persistent code execution. .pth files automatically execute Python code when the interpreter starts, making them a stealthy persistence mechanism. Monitoring these paths helps identify unauthorized modifications that could indicate persistence by an attacker or malicious package injection.
Detection logic
Its licence does not clear it for publishing here
Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.
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
- event_index
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 |
|---|---|
| dfir.ch/posts/publish_python_pth_extension/ | Only this detection cites it |
| futuresearch.ai/blog/litellm-pypi-supply-chain-attack/ | Only this detection cites it |
| www.volexity.com/blog/2024/04/12/zero-day-exploitation-of-unauthenticated-remote-code-execution-vulnerability-in-globalprotect-cve-2024-3400/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 7f65f984-5642-4291-a0a0-2bbefce4c617
- Tagged by the source as
- Data Source: Elastic DefendDomain: EndpointNoise: MediumOS: LinuxPerformance: NormalPlatform: LinuxResources: Investigation GuideRule Type: Event Correlation (EQL)Tactic: Defense EvasionTactic: ExecutionTactic: PersistenceUse Case: Threat Detection
Licence
- Published under
- Elastic License 2.0Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Sep 20, 2026
- Version
- 3