Detection rules › Sigma
Shell Execution via Git - Linux
Detects the use of the "git" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1059 Command and Scripting Interpreter |
Event coverage
| Provider | Event |
|---|---|
| Sysmon-for-Linux | Event ID 1 |
Rule body yaml
title: Shell Execution via Git - Linux
id: 47b3bbd4-1bf7-48cc-84ab-995362aaa75a
status: test
description: |
Detects the use of the "git" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
- https://gtfobins.github.io/gtfobins/git/#shell
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-09-02
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: linux
detection:
selection:
ParentImage|endswith: '/git'
ParentCommandLine|contains|all:
- ' -p '
- 'help'
CommandLine|contains:
- 'bash 0<&1'
- 'dash 0<&1'
- 'sh 0<&1'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ParentImage|endswith: '/git'
ParentCommandLine|contains|all:
- ' -p '
- 'help'
CommandLine|contains:
- 'bash 0<&1'
- 'dash 0<&1'
- 'sh 0<&1'
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 |
|
ParentCommandLine | match |
|
ParentImage | ends_with |
|