Detection rules › Sigma
Shell Invocation via Apt - Linux
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.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1083 File and Directory Discovery |
Event coverage
| Provider | Event |
|---|---|
| Sysmon-for-Linux | Event ID 1 |
Rule body yaml
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '/apt'
- '/apt-get'
CommandLine|contains: 'APT::Update::Pre-Invoke::='
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|