// MITRE ATT&CK
T1542.004 · ROMMONkit
Sub-technique of T1542 · Pre-OS Boot.
Adversaries may abuse the ROM Monitor (ROMMON) by loading an unauthorized firmware with adversary code to provide persistent access and manipulate device behavior that is difficult to detect. (Citation: Cisco Synful Knock Evolution)(Citation: Cisco Blog Legacy Device Attacks) ROMMON is a Cisco net...
How to detect & mitigate it
Detecting ROMMONkit starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1055.011
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.