Shell Invocation via Apt - Linux — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-12-28 / 2024-09-02.

{
  "category": "process_creation",
  "product": "linux"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 5e753ae13af54d59834b4d54930dfce7ef17d943ae274574bfae5529a050964e

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: Shell Invocation via Apt - Linux
id: bb382fd5-b454-47ea-a264-1828e4c766d6
status: test
description: |
    Detects the use of the "apt" and "apt-get" commands to execute a shell or proxy commands.
    Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
    - https://gtfobins.github.io/gtfobins/apt/
    - https://gtfobins.github.io/gtfobins/apt-get/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-28
modified: 2024-09-02
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith:
            - '/apt'
            - '/apt-get'
        CommandLine|contains: 'APT::Update::Pre-Invoke::='
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://gtfobins.github.io/gtfobins/apt/
• https://gtfobins.github.io/gtfobins/apt-get/