Detection rules › Sigma
Process Discovery
Detects process discovery commands. Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1057 Process Discovery |
Event coverage
| Provider | Event |
|---|---|
| Sysmon-for-Linux | Event ID 1 |
Rule body yaml
title: Process Discovery
id: 4e2f5868-08d4-413d-899f-dc2f1508627b
status: stable
description: |
Detects process discovery commands. Adversaries may attempt to get information about running processes on a system.
Information obtained could be used to gain an understanding of common software/applications running on systems within the network
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1057/T1057.md
- https://www.cyberciti.biz/faq/show-all-running-processes-in-linux/
author: Ömer Günal, oscd.community, CheraaghiMilad
date: 2020-10-06
modified: 2022-07-07
tags:
- attack.discovery
- attack.t1057
- detection.threat-hunting
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith:
- '/atop'
- '/htop'
- '/pgrep'
- '/ps'
- '/pstree'
- '/top'
condition: selection
falsepositives:
- Legitimate administration activities
level: low
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '/atop'
- '/htop'
- '/pgrep'
- '/ps'
- '/pstree'
- '/top'
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 |
|---|---|---|
Image | ends_with |
|