Exetools  

Go Back   Exetools > General > General Discussion

Notices

Reply
 
Thread Tools Display Modes
  #1  
Old 08-20-2020, 01:53
Hexcode Hexcode is offline
Friend
 
Join Date: Jul 2020
Location: Romania
Posts: 14
Rept. Given: 0
Rept. Rcvd 0 Times in 0 Posts
Thanks Given: 1
Thanks Rcvd at 6 Times in 2 Posts
Hexcode Reputation: 0
Debugging Problem

Hi guys, I have a big problem where I can't find a solution or an idea, I try to crack a program but the idea is the next, when I change even a letter in the strings with Resource Hacker for example and save the changes, when I start the program becomes instant DEMO VERSION and a WATERMARK appear when i save a photo,this watermark i don't find ,or how i can remove
I'm waiting for an opinion or an idea on how I could get over this check.

Last edited by Hexcode; 08-20-2020 at 03:14.
Reply With Quote
  #2  
Old 08-20-2020, 13:42
Turkuaz Turkuaz is offline
Family
 
Join Date: Sep 2017
Posts: 161
Rept. Given: 3
Rept. Rcvd 7 Times in 4 Posts
Thanks Given: 39
Thanks Rcvd at 136 Times in 49 Posts
Turkuaz Reputation: 7
Program must do integrity check like crc checj
Reply With Quote
  #3  
Old 08-20-2020, 15:22
user1 user1 is offline
Family
 
Join Date: Sep 2012
Location: OUT
Posts: 1,041
Rept. Given: 547
Rept. Rcvd 120 Times in 67 Posts
Thanks Given: 695
Thanks Rcvd at 566 Times in 337 Posts
user1 Reputation: 41
use loader injectors
Reply With Quote
  #4  
Old 08-20-2020, 15:50
Hexcode Hexcode is offline
Friend
 
Join Date: Jul 2020
Location: Romania
Posts: 14
Rept. Given: 0
Rept. Rcvd 0 Times in 0 Posts
Thanks Given: 1
Thanks Rcvd at 6 Times in 2 Posts
Hexcode Reputation: 0
I found what is the problem ,she use API to draw a watermark and yeah a integrity check
Reply With Quote
  #5  
Old 08-20-2020, 20:04
Turkuaz Turkuaz is offline
Family
 
Join Date: Sep 2017
Posts: 161
Rept. Given: 3
Rept. Rcvd 7 Times in 4 Posts
Thanks Given: 39
Thanks Rcvd at 136 Times in 49 Posts
Turkuaz Reputation: 7
Quote:
Originally Posted by user1 View Post
use loader injectors
Is there any tutorial about loaders and loader injectors for win32 and .net also?
Reply With Quote
  #6  
Old 09-23-2021, 05:16
countryboy countryboy is offline
Family
 
Join Date: Sep 2021
Location: in the country
Posts: 38
Rept. Given: 0
Rept. Rcvd 34 Times in 17 Posts
Thanks Given: 40
Thanks Rcvd at 181 Times in 36 Posts
countryboy Reputation: 34
Smile FILE CRC, and FILE Certificate ...

Quote:
Originally Posted by Hexcode View Post
Hi guys, I have a big problem where I can't find a solution or an idea, I try to crack a program but the idea is the next, when I change even a letter in the strings with Resource Hacker for example and save the changes, when I start the program becomes instant DEMO VERSION and a WATERMARK appear when i save a photo,this watermark i don't find ,or how i can remove
I'm waiting for an opinion or an idea on how I could get over this check.
Hi Hexcode, the program is checking it's File Certificate to see if changes to File, or it's doing a CRC Check of code for changes. Look for code where exe BASE loading offset is used as address to start CRC Check.

It is possible to crack the code that calls the Win Verify Trust Windows Function, as I have done this before, or you can use a Loader to Patch it in memory unless it also does a Memory CRC check.
I POSTED A LOADER on exetools ...
https://forum.exetools.com/showthread.php?t=19945

You can also remove the Certificate from a File, and replace it with one that contains the Cracked File CRC.

After cracking a file Certificate is XXXX !
Right Click File select properties to check Certificate.
Reply With Quote
The Following User Gave Reputation+1 to countryboy For This Useful Post:
chessgod101 (09-23-2021)
The Following User Says Thank You to countryboy For This Useful Post:
Mendax47 (09-23-2021)
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Problem debugging 32 bit system process with Olly MCKSys Argentina General Discussion 4 02-11-2015 03:35
IDA remote debugging problem Av0id General Discussion 3 08-08-2011 18:51
GDB debugging problem ??? Help needed Nelson_Wee General Discussion 4 06-30-2005 10:40
Debugging a thread Numega Softice General Discussion 1 07-02-2004 19:28
IDA debugging sub processes Bram Kate General Discussion 2 05-03-2004 18:28


All times are GMT +8. The time now is 16:06.


Always Your Best Friend: Aaron, JMI, ahmadmansoor, ZeNiX, chessgod101
( 1998 - 2024 )