Spring Framework Exceptions — Sigma Rule

Rule metadata and linked tags

Author: Thomas Patzke. Source status: stable; severity: medium. Source dates: 2017-08-06 / 2020-09-01.

{
  "category": "application",
  "product": "spring"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 4d7c9c97af928fea1ec31a20aa958b977c9b3205766170a926c66e341c16fdfa

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Spring Framework Exceptions
id: ae48ab93-45f7-4051-9dfe-5d30a3f78e33
status: stable
description: Detects suspicious Spring framework exceptions that could indicate exploitation attempts
references:
    - https://docs.spring.io/spring-security/site/docs/current/api/overview-tree.html
author: Thomas Patzke
date: 2017-08-06
modified: 2020-09-01
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: application
    product: spring
detection:
    keywords:
        - AccessDeniedException
        - CsrfException
        - InvalidCsrfTokenException
        - MissingCsrfTokenException
        - CookieTheftException
        - InvalidCookieException
        - RequestRejectedException
    condition: keywords
falsepositives:
    - Application bugs
level: medium

Original YAML and metadata in JSON

False positives

• Application bugs

Source references

• https://docs.spring.io/spring-security/site/docs/current/api/overview-tree.html