0x01arm32hackinghello_world
November 27, 2025 ยท View on GitHub
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0x01_arm_32_hacking_hello_world
ARM 32-bit Raspberry Pi Hacking Hello World example in Kali Linux.
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Schematic
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
STEP 3: Flash Kali Linux ARM Image
STEP 4: Power Up RPI & Login
POWER UP DEVICE AND LOGIN AS KALI AND SET UP SSH
STEP 5: Create File In VIM
.global _start
_start:
print_hello_world:
mov R0, #1 @ 1 = stdout
ldr R1, =hello_world @ str pointer
mov R2, #13 @ str len
mov R7, #4 @ linux write syscall
svc 0 @ software interrupt call write
exit:
mov R0, #0 @ return code
mov R7, #1 @ linux exit syscall
svc 0 @ software interrupt call exit
.data
hello_world: .ascii "Hello World!\n"
STEP 6: Save File As - 0x01_arm_32_hacking_hello_world.s [:wq]
STEP 7: Build & Link
as -o 0x01_arm_32_hacking_hello_world.o 0x01_arm_32_hacking_hello_world.s
ld -o 0x01_arm_32_hacking_hello_world 0x01_arm_32_hacking_hello_world.o
STEP 8: Run Binary
./0x01_arm_32_hacking_hello_world
Hello World!
STEP 9: Run Radare2 - Debug Mode
r2 -d ./0x01_arm_32_hacking_hello_world
STEP 10: Run Radare2 - Debug Step 1 [Examine Binary @ Entry Point]
aaa
s entry0
vv
STEP 11: Run Radare2 - Debug Step 2 [Examine str]
q
[0x00010074]> pf S @0x00010094
0x00010094 = 0x00010094 -> 0x00020098 "Hello World!
A"
STEP 12: Run Radare2 - Debug Step 3 [Hack str]
w Hacked World\n @0x00020098
STEP 13: Run Radare2 - Debug Step 4 [Review Hack]
[0x00010074]> pf S @0x00010094
0x00010094 = 0x00010094 -> 0x00020098 "Hacked World
A"
STEP 14: Run Radare2 - Debug Step 5 [Hack Binary Permanently]
q
r2 -w ./0x01_arm_32_hacking_hello_world
[0x00010074]> w Hacked World\n @0x00020098
[0x00010074]> q
STEP 15: Prove Hack
./0x01_arm_32_hacking_hello_world
Hacked World