/categories/security/Recent content in Security on GerboiseHugoenGerboiseMon, 16 Mar 2026 00:00:00 +0000/blog/beeper-1-reverse-engineering-a-hidden-command/Mon, 16 Mar 2026 00:00:00 +0000/blog/beeper-1-reverse-engineering-a-hidden-command/Reverse engineering a Zephyr firmware to find a hidden XOR-obfuscated command in a Ph0wn CTF challenge/blog/beeper-2-crafting-an-ook-radio-signal-to-trigger-a-hidden-command/Mon, 16 Mar 2026 00:00:00 +0000/blog/beeper-2-crafting-an-ook-radio-signal-to-trigger-a-hidden-command/Crafting and transmitting a 433 MHz OOK signal with a BladeRF to trigger a hidden command on a real device