HTB academy intro to assembly language skills assessment # 1

[josemmm11]

@josemmm11

Disassemble ‘loaded_shellcode’ and modify its assembly code to decode the shellcode, by adding a loop to ‘xor’ each 8-bytes on the stack with the key in ‘rbx’.

check this:

https://www.reddit.com/r/hackthebox/comments/1buz9hv/htb_academy_intro_to_assembly_language_skills/

HTB academy intro to assembly language skills assessment task 1

Ok, for anyone got it to print here’s a thing you should pay attention to, when i printed using printf - outFormat db “%llx”, 0x0a, 0x00 - i got : <…SNIP…> c708e2f74831c0b0 14831ff40b70148 <— notice there are 15 instead of 16 31f64889e64831d2 <…SNIP…> this one little missing 0 got me working for a couple of hours! turns out the hex format specifier/printf will omit the 0 at the beginning, it should be like this: <…SNIP…> c708e2f74831c0b0 014831ff40b70148 <— f…