Apache Threading Error

Description

Detects an issue in apache logs that reports threading related errors

Query · sigma

keywords:
- '__pthread_tpp_change_priority: Assertion `new_prio == -1 || (new_prio >= fifo_min_prio
  && new_prio <= fifo_max_prio)'
condition: keywords

Known false positives

  • 3rd party apache modules - https://bz.apache.org/bugzilla/show_bug.cgi?id=46185
Raw source Apache Threading Error · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Apache Threading Error
id: e9a2b582-3f6a-48ac-b4a1-6849cdc50b3c
status: test
description: Detects an issue in apache logs that reports threading related errors
references:
    - https://github.com/hannob/apache-uaf/blob/da40f2be3684c8095ec6066fa68eb5c07a086233/README.md
author: Florian Roth (Nextron Systems)
date: 2019-01-22
modified: 2021-11-27
tags:
    - attack.initial-access
    - attack.lateral-movement
    - attack.t1190
    - attack.t1210
logsource:
    service: apache
    definition: 'Requirements: Must be able to collect the error.log file'
detection:
    keywords:
        - '__pthread_tpp_change_priority: Assertion `new_prio == -1 || (new_prio >= fifo_min_prio && new_prio <= fifo_max_prio)'
    condition: keywords
falsepositives:
    - 3rd party apache modules - https://bz.apache.org/bugzilla/show_bug.cgi?id=46185
level: medium

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