/tags/firmware/ Recent content in Firmware on Binary Ruins Hugo en Copyright 2026, Ishmael42 Fri, 03 Oct 2025 19:26:37 +0530 /posts/reversing-arm-firmware/ Fri, 03 Oct 2025 19:26:37 +0530 /posts/reversing-arm-firmware/ <p>Reversing a raw firmware dump is very different from reversing an ELF executable or a PE image. There are no sections, no symbols, and often no clear format - just raw bytes.</p> <p>In this post, I’ll walk through the process of reversing a simple ARM Cortex-M3 (ARMv7-M) firmware image using Ghidra, mapping memory regions, identifying initialization routines, and making sense of global variables.</p>