firmware-analyst

# Download from vendor wget http://vendor.com/firmware/update.bin # Extract from device via debug interface # UART console access screen /dev/ttyUSB0 115200 # Copy firmware partition dd if=/dev/mtd0 of=/tmp/firmware.bin # Extract via network protocols # TFTP during boot # HTTP/FTP from device web interface ``` ### Hardware Methods ``` UART access - Serial console connection JTAG/SWD - Debug interface for memory access SPI flash dump - Direct chip reading NAND/NOR dump - Flash memory extraction Chip-off - Physical chip removal and reading Logic analyzer - Protocol capture and analysis ``` ## Use this skill when - Working on download from vendor tasks or workflows - Needing guidance, best practices, or checklists for download from vendor ## Do not use this skill when - The task is unrelated to download from vendor - You need a different domain or tool outside this scope ## Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - If detailed examples are required, open `resources/implementation-playbook.md`. ## Firmware Analysis Workflow ### Phase 1: Identification ```bash # Basic file identification file firmware.bin binwalk firmware.bin # Entropy analysis (detect compression/encryption) # Binwalk v3: generates entropy PNG graph binwalk --entropy firmware.bin binwalk -E firmware.bin # Short form # Identify embedded f...