Django Framework Exceptions — Sigma Rule

Rule metadata and linked tags

Author: Thomas Patzke. Source status: stable; severity: medium. Source dates: 2017-08-05 / 2020-09-01.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: ea4629a1e6a4ce39a726b74403f5047671fd1a8ad92382f907b8e35ab70ae25a

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: Django Framework Exceptions
id: fd435618-981e-4a7c-81f8-f78ce480d616
status: stable
description: Detects suspicious Django web application framework exceptions that could indicate exploitation attempts
references:
    - https://docs.djangoproject.com/en/1.11/ref/exceptions/
    - https://docs.djangoproject.com/en/1.11/topics/logging/#django-security
author: Thomas Patzke
date: 2017-08-05
modified: 2020-09-01
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: application
    product: django
detection:
    keywords:
        - SuspiciousOperation
        # Subclasses of SuspiciousOperation
        - DisallowedHost
        - DisallowedModelAdminLookup
        - DisallowedModelAdminToField
        - DisallowedRedirect
        - InvalidSessionKey
        - RequestDataTooBig
        - SuspiciousFileOperation
        - SuspiciousMultipartForm
        - SuspiciousSession
        - TooManyFieldsSent
        # Further security-related exceptions
        - PermissionDenied
    condition: keywords
falsepositives:
    - Application bugs
level: medium

Original YAML and metadata in JSON

False positives

• Application bugs

Source references

• https://docs.djangoproject.com/en/1.11/ref/exceptions/
• https://docs.djangoproject.com/en/1.11/topics/logging/#django-security