Detectionlowstable

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

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Ömer Günal, oscd.communityCreated Tue Oct 06Updated Thu Jul 07d2d642d7-b393-43fe-bae4-e81ed5915c4blinux
Log Source
LinuxProcess Creation
ProductLinux← raw: linux
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        Image|endswith:
            - '/at'
            - '/atd'
    condition: selection
False Positives

Legitimate administration activities

Rule Metadata
Rule ID
d2d642d7-b393-43fe-bae4-e81ed5915c4b
Status
stable
Level
low
Type
Detection
Created
Tue Oct 06
Modified
Thu Jul 07
Path
rules/linux/process_creation/proc_creation_lnx_at_command.yml
Raw Tags
attack.privilege-escalationattack.executionattack.persistenceattack.t1053.002
View on GitHub