Hardware Hacking

  1. Firmware Modification and Patching
    1. Binary Modification Techniques
      1. Direct Binary Editing
        1. Instruction Replacement
          1. NOP Sledding
            1. Jump Insertion
            2. Function Hooking
              1. Import Address Table Modification
                1. Inline Hooking
                  1. Trampoline Functions
                  2. Code Cave Utilization
                    1. Unused Space Identification
                      1. Code Relocation
                        1. Branch Redirection
                      2. Checksum and Integrity Bypass
                        1. Checksum Algorithm Identification
                          1. CRC Variants
                            1. Hash Functions
                              1. Custom Algorithms
                              2. Checksum Recalculation
                                1. Automated Tools
                                  1. Manual Calculation
                                    1. Verification Testing
                                    2. Integrity Check Bypass
                                      1. Check Removal
                                        1. Check Modification
                                          1. False Positive Generation
                                        2. Firmware Repacking and Deployment
                                          1. Filesystem Reconstruction
                                            1. Directory Structure Recreation
                                              1. File Permission Restoration
                                              2. Image Format Recreation
                                                1. Header Reconstruction
                                                  1. Padding Requirements
                                                    1. Signature Generation
                                                    2. Deployment Methods
                                                      1. Official Update Mechanisms
                                                        1. Debug Interface Flashing
                                                          1. Direct Memory Programming
                                                        2. Custom Firmware Development
                                                          1. Bootloader Modification
                                                            1. Boot Sequence Analysis
                                                              1. Security Check Bypass
                                                                1. Custom Boot Options
                                                                2. Operating System Modification
                                                                  1. Kernel Patching
                                                                    1. Driver Modification
                                                                      1. Service Alteration
                                                                      2. Application Layer Changes
                                                                        1. Feature Addition
                                                                          1. Restriction Removal
                                                                            1. Interface Modification

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                                                                        11. Advanced Attack Techniques

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                                                                        13. Defensive Countermeasures