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Kevin Thomas
2026-03-15 10:40:20 -04:00
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WEEK05/WEEK05-01.md
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# Embedded Systems Reverse Engineering
# Embedded Systems Reverse Engineering
[Repository](https://github.com/mytechnotalent/Embedded-Hacking)
## Week 5
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##### Step 1: Start Ghidra and Create New Project
```bash
```powershell
ghidraRun
```
@@ -36,7 +36,7 @@ ghidraRun
##### Step 2: Import the Binary
1. Navigate to your file explorer
2. Find `Embedded-Hacking/0x000e_floating-point-data-type/build/0x000e_floating-point-data-type.bin`
2. Find `Embedded-Hacking\0x000e_floating-point-data-type\build\0x000e_floating-point-data-type.bin`
3. **Drag and drop** the `.bin` file into Ghidra's project window
##### Step 3: Configure Import Settings
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# Embedded Systems Reverse Engineering
[Repository](https://github.com/mytechnotalent/Embedded-Hacking)
# Week 5: Integers and Floats in Embedded Systems: Debugging and Hacking Integers and Floats w/ Intermediate GPIO Output Assembler Analysis
## Week 5
Integers and Floats in Embedded Systems: Debugging and Hacking Integers and Floats w/ Intermediate GPIO Output Assembler Analysis
### 🎯 What You'll Learn This Week
## 🎯 What You'll Learn This Week
By the end of this tutorial, you will be able to:
- Understand how integers and floating-point numbers are stored in memory
@@ -270,7 +266,7 @@ The program is printing `42.500000` because `printf` with `%f` defaults to 6 dec
**Open a terminal and type:**
```bash
```powershell
ghidraRun
```
@@ -689,14 +685,14 @@ This changes the high word from `0x40454000` (42.5 as double) to `0x4058C000` (9
**Open a terminal and navigate to your project directory:**
```bash
cd Embedded-Hacking-main\0x000e_floating-point-data-type
```powershell
cd C:\Users\flare-vm\Desktop\Embedded-Hacking-main\0x000e_floating-point-data-type
```
**Run the conversion command:**
```bash
python ../uf2conv.py build/0x000e_floating-point-data-type-h.bin --base 0x10000000 --family 0xe48bff59 --output build/hacked.uf2
```powershell
python ..\uf2conv.py build\0x000e_floating-point-data-type-h.bin --base 0x10000000 --family 0xe48bff59 --output build\hacked.uf2
```
### Step 23: Flash the Hacked Binary
@@ -816,7 +812,7 @@ The program is printing `42.525250` because `printf` with `%lf` defaults to 6 de
**Open a terminal and type:**
```bash
```powershell
ghidraRun
```
@@ -1224,14 +1220,14 @@ This changes the full 64-bit double from `0x4045433B645A1CAC` (42.52525) to `0x4
**Open a terminal and navigate to your project directory:**
```bash
cd Embedded-Hacking-main\0x0011_double-floating-point-data-type
```powershell
cd C:\Users\flare-vm\Desktop\Embedded-Hacking-main\0x0011_double-floating-point-data-type
```
**Run the conversion command:**
```bash
python ../uf2conv.py build/0x0011_double-floating-point-data-type-h.bin --base 0x10000000 --family 0xe48bff59 --output build/hacked.uf2
```powershell
python ..\uf2conv.py build\0x0011_double-floating-point-data-type-h.bin --base 0x10000000 --family 0xe48bff59 --output build\hacked.uf2
```
### Step 23: Flash the Hacked Binary
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**Remember:** Every binary you encounter in the real world can be analyzed and understood using these same techniques. Whether it's an integer, a float, or a double — it's all just bits waiting to be decoded. Practice makes perfect!
Happy hacking! 🔧
Happy hacking! 🔧