radare

IOLI Crackme 0x05 solution

Hello, This is another IOLI crackme challenge solution. root@kali:~/IOLI-crackme/bin-linux# r2 crackme0x05 pop 4 bytes from esp and jump there. Pop 4 bytes from esp and jump there. Apparently this levels so similar to the past one, so let’s try the same method with 16 as cmp operand. root@kali:~/IOLI-crackme/bin-linux# ./crackme0x05

IOLI Crackme 0x04 solution

Hello, This is another IOLI crackme challenge solution. root@kali:~/IOLI-crackme/bin-linux# r2 crackme0x04 Pay attention to these instructions: These section is where a number is compared to something and if true the password will be valid.Something is compared against 15 (0xf). Let’s find out which is the other operand. These section reminds me a loop. What is being compared to 15 is the parameter of the app, in other words the password.

IOLI Crackme 0x02 solution

This is another IOLI crackme challenge solution. root@kali:~/IOLI-crackme/bin-linux# r2 crackme0x02 root@kali:~/IOLI-crackme/bin-linux# cp crackme0x02 crackme0x02_patchroot@kali:~/IOLI-crackme/bin-linux# r2 -w crackme0x02_patch root@kali:~/IOLI-crackme/bin-linux# ./crackme0x02_patch

IOLI Crackme 0x01 solution

Let’s continue our IOLI’s journey with level 0x01 root@kali:~/IOLI-crackme/bin-linux# r2 crackme0x01 Analize the binary: Show function list: Disassembled function main:

IOLI Crackme 0x00 solution

Hi, Today I’m starting a new series of post to explain how IOLI crackme\’s can be solved using Radare 2. Let’s start with level 0x00 root@kali:~/IOLI-crackme/bin-linux# r2 crackme0x00 [0x08048360]> ! ./crackme0x00

Radare 2 install – Mac OS X Code Signing

Hi,As I am a Mac user, I have faced a Mac OS X Code Signing issue. After a little research, I found a site with all needed steps described.The site can be found [here](http://manual.freeshell.org/radare2/osx.md) The required steps are (copy-pasted from this site):Mac OS-X Users need to follow some extra steps to get the radare2 program signed and ready to debug other applications without running it as root.Same happens for iOS