[Ez question] How to require a DLL?

[Mambo]

Hey ASM Coders/ Gunz modders

I have a dll i need to load into gunz so it starts when gunz starts. Only i dont know how to do this with OllydDBG or Hex Editor.

Also: How do i get gunz to REQUIRE it, so it won't start without it?

Help please!

Thanks in advance
~Mambo!

[MentaL]

[Wucas]

http://forum.ragezone.com/f497/creat...jector-566876/ <--- simple pe edit, not recommended

;Asm

Codecave (Danks Phail)

Go to:
004B1FE0 and replace it with:

004B1FE0     E8 6F500E00    CALL theduel.00597054
004B1FE5     81EC 50040000  SUB ESP,450

0059704B   . 53 46 58 2E 64>ASCII "SFX.dll",0
00597053     60             PUSHAD
00597054     68 4B705900    PUSH theduel.0059704B                    ;  ASCII "SFX.dll"
00597059     E8 19AD267C    CALL kernel32.LoadLibraryA
0059705E     85C0           TEST EAX,EAX
00597060     75 0B          JNZ SHORT theduel.0059706D
00597062     58             POP EAX
00597063     A1 601C6400    MOV EAX,DWORD PTR DS:[641C60]
00597068     C3             RETN
00597069     61             POPAD
0059706A     CC             INT3
0059706B     CC             INT3
0059706C     60             PUSHAD
0059706D     6A 00          PUSH 0
0059706F     E8 665D287C    CALL kernel32.ExitProcess
00597074     58             POP EAX
00597075     61             POPAD

[Guy]

Solution: LoadLibrary.

[death4u2]

clue fmod.dll

[ThievingSix]

Wouldn't recommend calling LoadLibrary like that.

[Wucas]

clue fmod.dll

You can do it the pe edit with any file loaded into gunz or gunz itself... fmod is just the one everyone seems to use...

Files the can be used:
Gunz.exe (theduel.exe)
dbghelp.dll
fmod.dll
gdiplus.dll

[Mambo]

http://forum.ragezone.com/f497/creat...jector-566876/ <--- simple pe edit, not recommended

;asm

codecave (danks phail)

go to:
004b1fe0 and replace it with:
 
004b1fe0     e8 6f500e00    call theduel.00597054
004b1fe5     81ec 50040000  sub esp,450

0059704b   . 53 46 58 2e 64>ascii "sfx.dll",0
00597053     60             pushad
00597054     68 4b705900    push theduel.0059704b                    ;  ascii "sfx.dll"
00597059     e8 19ad267c    call kernel32.loadlibrarya
0059705e     85c0           test eax,eax
00597060     75 0b          jnz short theduel.0059706d
00597062     58             pop eax
00597063     a1 601c6400    mov eax,dword ptr ds:[641c60]
00597068     c3             retn
00597069     61             popad
0059706a     cc             int3
0059706b     cc             int3
0059706c     60             pushad
0059706d     6a 00          push 0
0059706f     e8 665d287c    call kernel32.exitprocess
00597074     58             pop eax
00597075     61             popad

omfg! Thx!

[Wucas]

not a problem o.o

[Mambo]

not a problem o.o

This won't work.

[Wucas]

hmmmm whats wrong with it?

[Mambo]

hmmmm whats wrong with it?

People say it doesn't work.

And i want it as short as possible!

[Wucas]

if you want it short and easy use the pe edit?

http://forum.ragezone.com/f497/creat...jector-566876/ <--- simple pe edit, not recommended

and yes that asm edit does work =P