Ids on MEISTSEChttps://6aa388fd.meistsec-blog.pages.dev/tags/ids/Recent content in Ids on MEISTSECHugoen-usMon, 18 May 2026 00:00:00 +0000How I Chased a BPFDoor Backdoor in My Robot Vacuum (And Found a Microsecond Timer)https://6aa388fd.meistsec-blog.pages.dev/posts/vacuum/Mon, 18 May 2026 00:00:00 +0000https://6aa388fd.meistsec-blog.pages.dev/posts/vacuum/A week-long investigation into a Suricata IDS alert for BPFDoor backdoor activity on a Roborock Q10 vacuum. Spoiler: it wasn't BPFDoor. The actual cause is more interesting — and reproducible.