crackmes.one

Exxtra12's Ext.challenges

Author:
Exxtra12

Language:
C/C++

Upload:
1:38 AM 12/21/2019

Level:
2

Platform
Unix/linux etc.

Description

ctf_challenges - try to solve a set of ctf problems. xor good luck

0d1n on 3:35 PM 12/26/2019: very easy, Just jumped from 0x0000087cto 0x00000869; 0x:~/Desktop# ./xordemo Need exactly one argument. 0x:~/Desktop# ./xordemo test Jackpot 0x:~/Desktop# ./xordemo testinvalid Jackpot 0x:~/Desktop#

def00x on 3:52 PM 12/29/2019: I found the hex of 'bigbeef1' and 0x20a170c050a1410 ... the first XOR SECRET_PWD should XOR to the latter hex... there is a logic with a counter there... tried a few things with no luck... Any ideas on this one...?

tiencong283 on 4:03 PM 12/29/2019: It should be marked as level 1

def00x on 5:57 PM 12/29/2019: Why rungirl3 still fails???

def00x on 8:35 PM 12/29/2019: yeap.. found it... rungirl34 :)

Verideth on 5:58 AM 12/31/2019: Awesome crackme! Did a bit of learning :-)

FRIEND35 on 4:51 PM 01/11/2020: iihih