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s3rh47

KeyGenMe s3rh47 & x0rz

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Question

s3rh47

Difficulty : 7
Language : Assembler
Platform : Windows x32
OS Version : All Windows 
Packer / Protector : None and No Crypto

Description :

Rules : No Patch , No Brute.. Only Keygen or Valid Serial...

This KeyGen Me is a little hard for non Math Knowers . I  think Bruteforce and Self-Keygen is not possible. You must solve the Mat Function to the write a Keygen. 

i Wish good luck and have fun to solve the KeygenMe 

Best regards..

Screenshot :

25hq3k7.png

 

 

 

s3rh47&x0rz-KeygenMe_new.rar

Edited by Teddy Rogers (see edit history)
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s3rh47

I have detected a BUG . PLS dont release it..

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Teddy Rogers

I'll leave it on hold for approval until you are ready to release. Let me know when all good...

Ted.

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s3rh47

Ty Ted. We work for the BUG then will be released

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s3rh47

Hello Ted, i cant edit my Topic :) 

Here is new KeygenMe without BUG :) Now You can release it...

 

s3rh47&x0rz-KeygenMe_new.rar

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Teddy Rogers

I have attached it to your first post...

Ted.

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atom0s

Based on simple overlooking, your keygen requires a non-standard character to be used as a separator.

.text:00401257 loc_401257:                             ; CODE XREF: sub_401202+76j
.text:00401257                 movzx   eax, byte_403938[ecx]
.text:0040125E                 or      eax, eax
.text:00401260                 jz      short loc_40127A
.text:00401262                 sub     eax, 27h
.text:00401265                 imul    eax, 40h
.text:00401268                 push    0
.text:0040126A                 push    eax
.text:0040126B                 call    sub_40116A
.text:00401270                 or      eax, eax
.text:00401272                 jnz     short loc_401275
.text:00401274                 inc     ebx
.text:00401275
.text:00401275 loc_401275:                             ; CODE XREF: sub_401202+70j
.text:00401275                 add     ecx, 7
.text:00401278                 jmp     short loc_401257

If you manually do this with a number between 0 and 255 (since you are enforcing a byte) the only valid number that happens is 166 which is a non-ascii character.

Your keygen layout wants this kind of format: 123456-123456-123456-123456

But the -  separators must be this non-standard ascii char. 

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s3rh47

Greatz for finding the Format of Serial 

yes its a non-Ascii char. 166 dec = A6 hex

❤️= A6 

Try it :D 

123456❤️123456❤️123456❤️123456

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sama

Name: John
Key: 123456¦789013¦6AA445¦2EF70A

i am sorry, but atm i have no time to code a keygen, maybe later

2tP4m.png


difficulty is maybe a bit overrated

Spoiler

t4you

just found a bit time, thanks for challange

Sol_KGNme_s3rh47&x0rz.rar

Edited by sama
added Keygen (see edit history)
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s3rh47
On 1.6.2017 at 5:22 PM, sama said:

Name: John
Key: 123456¦789013¦6AA445¦2EF70A

i am sorry, but atm i have no time to code a keygen, maybe later

2tP4m.png


difficulty is maybe a bit overrated

  Reveal hidden contents

t4you

just found a bit time, thanks for challange

Sol_KGNme_s3rh47&x0rz.rar

 

Hi thanx for keygen , what is the rarpass ? ah ok = t4you

Edited by s3rh47 (see edit history)

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