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I have checksum activated server side, and made the .dat, but my main is not sending any checksum to the server.
Any ideas?
Any ideas?
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Join Today!00431C38 |. /74 5C JE SHORT GameServ.00431C96[/COLOR][/B]
[QUOTE="Deathway, post: 3618534, member: 151951"]This time i present a new way to prevent main modding - cracking, to use this you must know some asm knowledge.
Level of Protection against crack - weak-medium
How to use it:
1.- Download the File
[url=http://rapidshare.com/files/125916526/DeathwayMainChecksum.rar.html]RapidShare: 1-CLICK Web hosting - Easy Filehosting[/url]
2.- Open your main.exe and click generate. After some minutes it will produce the CheckSum.dat file (YES the program works VERY SLOW)
3.- Paste that file on lang\jpn folder in my case ( in your could be lang\kor : according to your Language set on commonserver.cfg)
4.- Fix the GS
The function CGCheckMainRecv should be like this ( in case that gs don't have PDB you should search with Search all referenced strings and find "error-L1 : [%s][%s] CheckSum-Exe error " (in case of GS-JPN)
[B][COLOR="Red"][CODE]CGCheckMa>/> \55 PUSH EBP
00431B61 |. 8BEC MOV EBP,ESP
00431B63 |. 83EC 40 SUB ESP,40
00431B66 |. 53 PUSH EBX
00431B67 |. 56 PUSH ESI
00431B68 |. 57 PUSH EDI ; ntdll.7C910738
00431B69 |. 68 B8536B00 PUSH OFFSET GameServ.??_C@_0P@HPBC@218?4>; /s2 = "218.234.76.254"
00431B6E |. 8B45 0C MOV EAX,[ARG.aIndex] ; |
00431B71 |. 69C0 68190000 IMUL EAX,EAX,1968 ; |
00431B77 |. 05 90F06006 ADD EAX,GameServ.0660F090 ; |
00431B7C |. 50 PUSH EAX ; |s1 = NULL
00431B7D |. E8 DE771600 CALL GameServ._strcmp ; \_strcmp
00431B82 |. 83C4 08 ADD ESP,8
00431B85 |. 85C0 TEST EAX,EAX
00431B87 |. 75 28 JNZ SHORT GameServ.00431BB1
00431B89 |. 8B4D 0C MOV ECX,[ARG.aIndex]
00431B8C |. 69C9 68190000 IMUL ECX,ECX,1968
00431B92 |. C781 D8F06006>MOV DWORD PTR DS:[ECX+660F0D8],0
00431B9C |. 8B55 0C MOV EDX,[ARG.aIndex]
00431B9F |. 69D2 68190000 IMUL EDX,EDX,1968 ; ntdll.KiFastSystemCallRet
00431BA5 |. C682 B9FF6006>MOV BYTE PTR DS:[EDX+660FFB9],1
00431BAC |. E9 F8000000 JMP GameServ.00431CA9
00431BB1 |> 8B45 0C MOV EAX,[ARG.aIndex]
00431BB4 |. 69C0 68190000 IMUL EAX,EAX,1968
00431BBA |. 0FBF88 D4F060>MOVSX ECX,WORD PTR DS:[EAX+660F0D4]
00431BC1 |. 85C9 TEST ECX,ECX
00431BC3 |. 7C 17 JL SHORT GameServ.00431BDC
00431BC5 |. 8B55 0C MOV EDX,[ARG.aIndex]
00431BC8 |. 69D2 68190000 IMUL EDX,EDX,1968 ; ntdll.KiFastSystemCallRet
00431BCE |. 0FBF82 D4F060>MOVSX EAX,WORD PTR DS:[EDX+660F0D4]
00431BD5 |. 3D FF030000 CMP EAX,3FF
00431BDA |. 7E 3F JLE SHORT GameServ.00431C1B
00431BDC |> 8B4D 0C MOV ECX,[ARG.aIndex]
00431BDF |. 69C9 68190000 IMUL ECX,ECX,1968
00431BE5 |. 81C1 EBF06006 ADD ECX,GameServ.0660F0EB
00431BEB |. 51 PUSH ECX
00431BEC |. 8B55 0C MOV EDX,[ARG.aIndex]
00431BEF |. 69D2 68190000 IMUL EDX,EDX,1968 ; ntdll.KiFastSystemCallRet
00431BF5 |. 81C2 E0F06006 ADD EDX,GameServ.0660F0E0
00431BFB |. 52 PUSH EDX ; ntdll.KiFastSystemCallRet
00431BFC |. 68 88536B00 PUSH OFFSET GameServ.??_C@_0CI@DJHJ@erro>; ASCII "error-L1 : [%s][%s] CheckSum-Exe error "
00431C01 |. FF15 34993506 CALL DWORD PTR DS:[LogAdd]
00431C07 |. 83C4 0C ADD ESP,0C
00431C0A |. 8B45 0C MOV EAX,[ARG.aIndex]
00431C0D |. 50 PUSH EAX
00431C0E |. E8 33F4FCFF CALL GameServ.00401046
00431C13 |. 83C4 04 ADD ESP,4
00431C16 |. E9 8E000000 JMP GameServ.00431CA9
00431C1B |> 8B4D 0C MOV ECX,[ARG.aIndex]
00431C1E |. 69C9 68190000 IMUL ECX,ECX,1968
00431C24 |. 0FBF91 D4F060>MOVSX EDX,WORD PTR DS:[ECX+660F0D4]
00431C2B |. 8B45 08 MOV EAX,[ARG.lpMsg] ; GameServ.<ModuleEntryPoint>
00431C2E |. 8B0C95 AC6CF4>MOV ECX,DWORD PTR DS:[EDX*4+dwgCheckSum]
00431C35 |. 3B48 04 CMP ECX,DWORD PTR DS:[EAX+4]
00431C38 |. 74 5C JE SHORT GameServ.00431C96
00431C3A |. 8B55 0C MOV EDX,[ARG.aIndex]
00431C3D |. 69D2 68190000 IMUL EDX,EDX,1968 ; ntdll.KiFastSystemCallRet
00431C43 |. 81C2 E0F06006 ADD EDX,GameServ.0660F0E0
00431C49 |. 52 PUSH EDX ; ntdll.KiFastSystemCallRet
00431C4A |. 8B45 0C MOV EAX,[ARG.aIndex]
00431C4D |. 69C0 68190000 IMUL EAX,EAX,1968
00431C53 |. 0FBF88 D4F060>MOVSX ECX,WORD PTR DS:[EAX+660F0D4]
00431C5A |. 51 PUSH ECX
00431C5B |. 8B55 08 MOV EDX,[ARG.lpMsg] ; GameServ.<ModuleEntryPoint>
00431C5E |. 8B42 04 MOV EAX,DWORD PTR DS:[EDX+4]
00431C61 |. 50 PUSH EAX
00431C62 |. 8B4D 0C MOV ECX,[ARG.aIndex]
00431C65 |. 69C9 68190000 IMUL ECX,ECX,1968
00431C6B |. 0FBF91 D4F060>MOVSX EDX,WORD PTR DS:[ECX+660F0D4]
00431C72 |. 8B0495 AC6CF4>MOV EAX,DWORD PTR DS:[EDX*4+dwgCheckSum]
00431C79 |. 50 PUSH EAX
00431C7A |. 68 54536B00 PUSH OFFSET GameServ.??_C@_0CM@KMJI@erro>; ASCII "error-L1 : CheckSum-Exe error %d %d %d [%s]"
00431C7F |. FF15 2C993506 CALL DWORD PTR DS:[LogAddTD]
00431C85 |. 83C4 14 ADD ESP,14
00431C88 |. 8B4D 0C MOV ECX,[ARG.aIndex]
00431C8B |. 51 PUSH ECX
00431C8C |. E8 B5F3FCFF CALL GameServ.00401046
00431C91 |. 83C4 04 ADD ESP,4
00431C94 |. EB 13 JMP SHORT GameServ.00431CA9
00431C96 |> 8B55 0C MOV EDX,[ARG.aIndex]
00431C99 |. 69D2 68190000 IMUL EDX,EDX,1968 ; ntdll.KiFastSystemCallRet
00431C9F |. C782 D8F06006>MOV DWORD PTR DS:[EDX+660F0D8],0
00431CA9 |> 5F POP EDI ; kernel32.7C816FD7
00431CAA |. 5E POP ESI ; kernel32.7C816FD7
00431CAB |. 5B POP EBX ; kernel32.7C816FD7
00431CAC |. 8BE5 MOV ESP,EBP
00431CAE |. 5D POP EBP ; kernel32.7C816FD7
00431CAF \. C3 RETN
00431C38 |. /74 5C JE SHORT GameServ.00431C96[/COLOR][/B]
Not work, i have generate checksum, and i copy lang/jpn and lang/kor, change gameverser.ini checksum=0 to 1 and commonserv.cfg .... but nothing, i can play normal... My antihack.dll is work, becouse disconnect me if i use hack, but if i change the antihack.dll name, nothing... so i dont know...
I use 1.02.40 client (CZF S4.5)
Help me pls...:ehh:
Yes! Work verry good ^^!is this working on 1.03.11 main?
00431B61
00431B6E
00431B71
00431B77
00431B7C
00431B7D
Dont have these lines. How to add them? Im using .90 GS (SMTeam)
I tried to turn on the CheckSum, but it closes game after 5 sec (if do anything) and displays this:
00:29:27 [NPgg] Checksum Time Out [account][charname]
00:29:28 [NPgg] Checksum Time Out
00:29:29 [NPgg] Checksum Time Out
00:29:30 [NPgg] Checksum Time Out
00:29:31 [NPgg] Checksum Time Out
00:29:32 [NPgg] Checksum Time Out
Any help here?