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0x02-arm-32-hacking-int's Introduction

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0x02_arm_32_hacking_int

ARM 32-bit Raspberry Pi Hacking Int example in Kali Linux.


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Schematic

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Parts

Raspberry Pi 4
64GB Micro SD Card
Micro SD Card Reader/Writer

STEP 1: Download Kali Linux ARM Image - Raspberry Pi 32-bit

Download [https://www.offensive-security.com/kali-linux-arm-images/]

STEP 2: Download balenaEtcher

Download

STEP 3: Flash Kali Linux ARM Image

Watch YT Null Byte Video

STEP 4: Power Up RPI & Login

POWER UP DEVICE AND LOGIN AS KALI AND SET UP SSH

STEP 5: Create File In VIM

#include <stdio.h>

int main()
{
    int x;

    x = 10;

    printf("%i\n", x);

    return 0;
}

STEP 6: Save File As - 0x02_arm_32_hacking_int.c [:wq]

STEP 7: Build & Link

gcc -o 0x02_arm_32_hacking_int 0x02_arm_32_hacking_int.c

STEP 8: Run Binary

./0x02_arm_32_hacking_int
10

STEP 9: Run Radare2 - Debug Mode

r2 -d ./0x02_arm_32_hacking_int

STEP 10: Run Radare2 - Debug Step 1 [Examine Binary @ Entry Point]

aaa
s main
vv

image

STEP 11: Run Radare2 - Debug Step 2 [Examine int]

q
[0x0041b50c]> pf C @0x0041b512
0x0041b512 = 10

STEP 12: Run Radare2 - Debug Step 3 [Hack int]

[0x0041b50c]> wa mov r3, 0xd @0x00470512

STEP 13: Run Radare2 - Debug Step 4 [Review Hack]

[0x0041b50c]> pf C @0x0041b512
0x0041b512 = 13

STEP 14: Run Radare2 - Debug Step 5 [Hack Binary Permanently]

q
r2 -w ./0x02_arm_32_hacking_int
[0x000003fc]> aaa
[0x000003fc]> s main
[0x0000050c]> vv

image

[0x0000050c]> wa mov r3, 0xd @0x00000512
q

STEP 15: Prove Hack

./0x02_arm_32_hacking_int
13

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

Apache License, Version 2.0

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