Scheduled Task/Job At

calendar Oct 25, 2022 · attack.persistence attack.t1053.002  ·
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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

Sigma rule (View on GitHub)

 1title: Scheduled Task/Job At
 2id: d2d642d7-b393-43fe-bae4-e81ed5915c4b
 3status: stable
 4description: |
 5  Detects the use of at/atd which are utilities that are used to schedule tasks.
 6  They are often abused by adversaries to maintain persistence or to perform task scheduling for initial or recurring execution of malicious code  
 7references:
 8    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.002/T1053.002.md
 9author: Ömer Günal, oscd.community
10date: 2020/10/06
11modified: 2022/07/07
12tags:
13    - attack.persistence
14    - attack.t1053.002
15logsource:
16    product: linux
17    category: process_creation
18detection:
19    selection:
20        Image|endswith:
21            - '/at'
22            - '/atd'
23    condition: selection
24falsepositives:
25    - Legitimate administration activities
26level: low

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