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Detection rules › Sigma

Code Injection by ld.so Preload

Status
test
Severity
high
Log source
product linux
Author
Christian Burkard (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects the ld.so preload persistence file. See man ld.so for more information.

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1574.006 Hijack Execution Flow: Dynamic Linker Hijacking
StealthT1574.006 Hijack Execution Flow: Dynamic Linker Hijacking

Rule body yaml

title: Code Injection by ld.so Preload
id: 7e3c4651-c347-40c4-b1d4-d48590fdf684
status: test
description: Detects the ld.so preload persistence file. See `man ld.so` for more information.
references:
    - https://man7.org/linux/man-pages/man8/ld.so.8.html
author: Christian Burkard (Nextron Systems)
date: 2021-05-05
modified: 2022-10-09
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.006
logsource:
    product: linux
detection:
    keywords:
        - '/etc/ld.so.preload'
    condition: keywords
falsepositives:
    - Rare temporary workaround for library misconfiguration
level: high

Stages and Predicates

Stage 0: condition

keywords

Stage 1: keywords

keywords:
    - '/etc/ld.so.preload'