Game security - call analysis - write code

author ： Small chestnut

Write code to call call, Write a dynamic link library and inject it

1. newly build mfc Dynamic link library

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2. Select static link

3. Change to x64

4. To configure

4.1 attribute

4.2 spectre Mitigation library disabled , application

5. Solution - Generate dependencies - Generate custom

6. Click on masm, determine , With writing 64 Function of bit assembly

7. Because in vs You cannot write directly in the default editor 64 Bit inline assembly , So it needs to be built asm Source file

8. You need to add... Manually .asm To determine that it is an assembly file

9. In the assembly file , Change the name to ”meditation”（ Sit in meditation ）

10. Change the name of the function declared and called in the source file to “meditation”

Statement ：

call ：

11. Return to assembly , Write open stack 、 Flat stack 、 Return function

12. Processing parameters

13. Make a statement

14.1 Add resources

14.2 newly build Dialog

14.3 interface - Add one Edit control Send text and... As edit Button

14.4 Button attribute

Change to shouting CALL

15. Add variables to the edit box

16. Modify control - Category - name - Variable type

17. Double click to shout CALL Button , Add event handling

18. Open the file where - Copy dll To desktop

19. Turn on the server , Inject dll

20. propaganda

Input ：

Successful shouting ：