Despite the venerable BPFDoor malware has once again found itself in the media spotlight. Recent variants avoid existing detections, so we will take a look at samples found in significant telecommunications provider breach in April 2025. 💡Recommended for prior reading: Trend Micro (2025), Sandfly Security (2022), Elastic (2022). Detection evasion

An exploration the archeological roots of the BPFDoor Linux malware.