- Tactics
- stealth, Persistence
- Platforms
- Network Devices, Windows
- Reference
- attack.mitre.org/techniques/T1542.001
Description
Adversaries may modify system firmware to persist on systems.The BIOS (Basic Input/Output System) and The Unified Extensible Firmware Interface (UEFI) or Extensible Firmware Interface (EFI) are examples of system firmware that operate as the software interface between the operating system and hardware of a computer.(Citation: Wikipedia BIOS)(Citation: Wikipedia UEFI)(Citation: About UEFI)
System firmware like BIOS and (U)EFI underly the functionality of a computer and may be modified by an adversary to perform or assist in malicious activity. Capabilities exist to overwrite the system firmware, which may give sophisticated adversaries a means to install malicious firmware updates as a means of persistence on a system that may be difficult to detect.
How GTK Cyber trains on this
GTK Cyber's Threat Hunting with Data Science course teaches you to build machine-learning detections for techniques like this across the MITRE ATT&CK framework, including the stealth, Persistence tactic this technique falls under. Practitioner-led, focused on real detections, not memorizing technique IDs.
Related techniques
- T1006 - Direct Volume Access
- T1014 - Rootkit
- T1027 - Obfuscated Files or Information
- T1036 - Masquerading
- T1037 - Boot or Logon Initialization Scripts
- T1053 - Scheduled Task/Job
- T1055 - Process Injection
- T1070 - Indicator Removal
- T1078 - Valid Accounts
- T1098 - Account Manipulation
- T1112 - Modify Registry
- T1127 - Trusted Developer Utilities Proxy Execution