CalvinBackup/Embedded-Hacking
1
0
Fork 0
mirror of https://github.com/mytechnotalent/Embedded-Hacking.git synced 2026-08-18 08:57:26 +02:00
Code Issues Packages Projects Releases Wiki Activity

Overhall w/ slides

Browse Source
This commit is contained in:
Kevin Thomas
2026-03-15 10:40:20 -04:00
parent d3b2ca3e47
commit 5b149048fd
61 changed files with 6305 additions and 240 deletions
Download Patch File Download Diff File Expand all files Collapse all files
WEEK04/WEEK04.md
+11 -15
View File
@@ -1,10 +1,6 @@
# Embedded Systems Reverse Engineering
[Repository](https://github.com/mytechnotalent/Embedded-Hacking)
# Week 4: Variables in Embedded Systems: Debugging and Hacking Variables w/ GPIO Output Basics
## Week 4
Variables in Embedded Systems: Debugging and Hacking Variables w/ GPIO Output Basics
### 🎯 What You'll Learn This Week
## 🎯 What You'll Learn This Week
By the end of this tutorial, you will be able to:
- Understand what variables are and how they're stored in memory
@@ -281,7 +277,7 @@ The program is printing `43` because that's what we assigned after the initial `
**Open a terminal and type:**
```bash
```powershell
ghidraRun
```
@@ -479,21 +475,21 @@ The Pico 2 expects UF2 files, not raw BIN files. We need to convert it!
**Open a terminal and navigate to your project directory:**
```bash
cd Embedded-Hacking/0x0005_intro-to-variables
```powershell
cd C:\Users\flare-vm\Desktop\Embedded-Hacking-main\0x0005_intro-to-variables
```
**Run the conversion command:**
```bash
python ../uf2conv.py build/0x0005_intro-to-variables-h.bin --base 0x10000000 --family 0xe48bff59 --output build/hacked.uf2
```powershell
python ..\uf2conv.py build\0x0005_intro-to-variables-h.bin --base 0x10000000 --family 0xe48bff59 --output build\hacked.uf2
```
**What this command means:**
- `uf2conv.py` = the conversion script
- `--base 0x10000000` = the XIP base address
- `--family 0xe48bff59` = the RP2350 family ID
- `--output build/hacked.uf2` = the output filename
- `--output build\hacked.uf2` = the output filename
### Step 20: Flash the Hacked Binary
@@ -688,9 +684,9 @@ Let's also change the printed value from `0` to `0x42` (66 in decimal):
### Step 31: Convert to UF2
```bash
cd Embedded-Hacking/0x0008_uninitialized-variables
python ../uf2conv.py build/0x0008_uninitialized-variables-h.bin --base 0x10000000 --family 0xe48bff59 --output build/hacked.uf2
```powershell
cd C:\Users\flare-vm\Desktop\Embedded-Hacking-main\0x0008_uninitialized-variables
python ..\uf2conv.py build\0x0008_uninitialized-variables-h.bin --base 0x10000000 --family 0xe48bff59 --output build\hacked.uf2
```
### Step 32: Flash and Verify