리버싱CTF/Crackmes

raxer's Simple Crackme

우와해커 2020. 6. 26. 16:20

Easy, C/C++, Windows 

 

A simple CrackMe, you have to write a keygen. All other info is in the README. Good luck

A simple CrackMe, you have to write a keygen. All other info is in the README. Good luck :)

raxer's Simple Crackme.zip
0.00MB


BGOTHXIY
BXXGYAAAAAAA
BXXGYYYBGIBXX

13? 14?

 

int rcx=0;
char* r8 = "BGOTHXIY";
char dl = '';
char* input = gets();

for(int rax=0;rax<=13;rax++){

	dl = input[rax]
	rcx = *[rsi+rax]&7

	if(dl > r8[rcx] and [rsp+2D] == 0)
		success;
	else
		fail;
}

 

 

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