Detection rules › Sigma
Scheduled Task/Job At
Detects the use of at/atd which are utilities that are used to schedule tasks. They are often abused by adversaries to maintain persistence or to perform task scheduling for initial or recurring execution of malicious code
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1053.002 Scheduled Task/Job: At |
| Persistence | T1053.002 Scheduled Task/Job: At |
| Privilege Escalation | T1053.002 Scheduled Task/Job: At |
Event coverage
| Provider | Event |
|---|---|
| Sysmon-for-Linux | Event ID 1 |
Rule body yaml
title: Scheduled Task/Job At
id: d2d642d7-b393-43fe-bae4-e81ed5915c4b
status: stable
description: |
Detects the use of at/atd which are utilities that are used to schedule tasks.
They are often abused by adversaries to maintain persistence or to perform task scheduling for initial or recurring execution of malicious code
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.002/T1053.002.md
author: Ömer Günal, oscd.community
date: 2020-10-06
modified: 2022-07-07
tags:
- attack.privilege-escalation
- attack.execution
- attack.persistence
- attack.t1053.002
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith:
- '/at'
- '/atd'
condition: selection
falsepositives:
- Legitimate administration activities
level: low
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '/at'
- '/atd'
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 |
|