README.md

powerPacked

reverse

a packed powerpc 32bit compiled using anti-debugging

Add challenge to the challenge repository

Open the binary in Hopper Disassembler in order to reverse engineer it.

Try to find the main function.

Since the main function, doesn't exist scroll at the bottom of the disassembly page to find the packer used to obfuscate/pack the binary.

Then unpack the binary using the upx -d command.

Open the unpacked binary in Hopper.

Go to the main function

Continue Analyzing the dissambled code

find the the 0xffffe number

substract it to the first string

There you have the flag! CFI{i_love_powerpc}