MITRE ATT&CKsub-technique
T1053.003 Cron
- Domain
- enterprise
- Tactics
- Execution, Persistence, Privilege Escalation
- Platforms
- Linux, macOS, ESXi
- Version
- 1.3
- Created
- 2019-12-03
Description
Adversaries may abuse the cron utility to perform task scheduling for initial or recurring execution of malicious code. The cron utility is a time-based job scheduler for Unix-like operating systems. The crontab file contains the schedule of cron entries to be run and the specified times for execution. Any crontab files are stored in operating system-specific file paths.
An adversary may use cron in Linux or Unix environments to execute programs at system startup or on a scheduled basis for Persistence. In ESXi environments, cron jobs must be created directly via the crontab file (e.g., `/var/spool/cron/crontabs/root`).
Related
Subtechnique of · MITRE ATT&CK (1)
- T1053 Scheduled Task/Job technique
Tactic · MITRE ATT&CK (3)
Referenced by MITRE ATT&CK · mitigates (2)
Referenced by MITRE ATT&CK · uses (19)
- S9051 The Gentlemen Ransomware software (malware)
- C0064 AI-Assisted Breach of Mexico's Government Infrastructure campaign
- S9045 BACKUPOSINT v9.0 APEX PREDATOR software (malware)
- S1198 Gomir software (malware)
- C0048 Operation MidnightEclipse campaign
- S1107 NKAbuse software (malware)
- G1023 APT5 group
- S0599 Kinsing software (malware)
- S0588 GoldMax software (malware)
- S0587 Penquin software (malware)
- S0504 Anchor software (malware)
- S0468 Skidmap software (malware)
- G0106 Rocke group
- S0401 Exaramel for Linux software (malware)
- S0374 SpeakUp software (malware)
- S0341 Xbash software (malware)
- G0082 APT38 group
- S0198 NETWIRE software (malware)
- S0163 Janicab software (malware)
Referenced by Compliance · mitigates (10)
- CIS-6.8 Define and Maintain Role-Based Access Control CIS Safeguard v8.1
- NIST-AC-2 Account Management NIST 800-53 control
- NIST-AC-3 Access Enforcement NIST 800-53 control
- NIST-AC-5 Separation of Duties NIST 800-53 control
- NIST-AC-6 Least Privilege NIST 800-53 control
- NIST-CM-2 Baseline Configuration NIST 800-53 control
- NIST-CM-5 Access Restrictions for Change NIST 800-53 control
- NIST-IA-2 Identification and Authentication (Organizational Users) NIST 800-53 control
- NIST-RA-5 Vulnerability Monitoring and Scanning NIST 800-53 control
- NIST-SI-4 System Monitoring NIST 800-53 control
References
- https://www.cloudsek.com/blog/analysis-of-files-used-in-esxiargs-ransomware-attack-against-vmware-esxi-servers CloudSEK ESXiArgs 2023
- https://labs.sentinelone.com/20-common-tools-techniques-used-by-macos-threat-actors-malware/ 20 macOS Common Tools and Techniques