forked from KolibriOS/kolibrios
665 lines
17 KiB
NASM
665 lines
17 KiB
NASM
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; ------------------------------------------------------------- ;
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; KWINE is a fork of program PELoad written by 0CodErr
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; author - rgimad
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; ------------------------------------------------------------- ;
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ORG 0
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BITS 32
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; ------------------------------------------------------------- ;
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PATH_SIZE equ 4096
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PARAMS_SIZE equ 4096
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STACK_SIZE equ 4096
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END_ equ IMAGE_BASE - (PATH_SIZE + PARAMS_SIZE + STACK_SIZE)
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; ------------------------------------------------------------- ;
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IMAGE_BASE equ 400000H
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; ------------------------------------------------------------- ;
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MENUET01 db 'MENUET01'
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version dd 1
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program.start dd start_
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program.end dd END_
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program.memory dd END_ + PATH_SIZE + PARAMS_SIZE + STACK_SIZE
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program.stack dd END_ + PATH_SIZE + PARAMS_SIZE + STACK_SIZE
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program.params dd END_ + PATH_SIZE
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program.path dd END_
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; ------------------------------------------------------------- ;
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load.library:
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mov eax, 68
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mov ebx, 19
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mov ecx, [esp + 4]
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int 64
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ret 4
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; ------------------------------------------------------------- ;
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getprocaddress:
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mov edx, [esp + 8]
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xor eax, eax
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test edx, edx
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jz .end
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.next:
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xor eax, eax
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cmp [edx], dword 0
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jz .end
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mov esi, [edx]
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mov edi, [esp + 4]
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.next_:
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lodsb
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scasb
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jne .fail
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or al, al
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jnz .next_
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jmp .ok
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.fail:
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add edx, 8
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jmp .next
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.ok:
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mov eax, [edx + 4]
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.end:
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ret 8
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; ------------------------------------------------------------- ;
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realloc.app.mem:
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mov eax, 64
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mov ebx, 1
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mov ecx, [esp + 4]
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int 64
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ret 4
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; ------------------------------------------------------------- ;
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set.current.directory:
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mov eax, 30
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mov ebx, 1
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mov ecx, [esp + 4]
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int 64
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ret 4
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; ------------------------------------------------------------- ;
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%if 0 ; comment
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int2str:
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%define number [esp + 8 + 8 * 4]
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%define buffer [esp + 4 + 8 * 4]
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pushad
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mov edi, buffer
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mov eax, " " ; 4 spaces
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stosd
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stosd
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stosw
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xor al, al
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stosb
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dec edi
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dec edi
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mov ecx, 10
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mov eax, number
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.next:
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xor edx, edx
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div ecx ; ecx = 10
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add edx, 48 ; edx = (eax MOD ecx) + 48
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mov [edi], dl
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dec edi
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test eax, eax
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jnz .next
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popad
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ret 8
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%undef number
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%undef buffer
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%endif ; endcomment
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; ------------------------------------------------------------- ;
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; test_file_path db "/hd3/1/mntest.exe",0
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; complex
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; address
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; data
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; hello
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; numbers +-
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; proc
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; sptrim
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; se
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; clear
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; locals +-
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; tokenise -
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; mntest
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file_path dd 0
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lib_name dd 0
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lib dd 0
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func dd 0
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func_name dd 0
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; ------------------------------------------------------------- ;
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sz_pe_load db "PELoad",0
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; ------------------------------------------------------------- ;
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con_init dd 0
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con_write_asciiz dd 0
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con_exit dd 0
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console dd 0
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sz_con_init db "con_init",0
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sz_con_write_asciiz db "con_write_asciiz",0
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sz_con_exit db "con_exit",0
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sz_console db "/sys/lib/console.obj",0
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; ------------------------------------------------------------- ;
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MZ dw 0
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PE dw 0
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lfa_new dd 0
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NumberOfSections dd 0
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SizeOfOptionalHeader dd 0
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EntryPoint dd 0
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SizeOfImage dd 0
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SizeOfHeaders dd 0
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DataDirectories dd 0
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SectionsTable dd 0
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Import dd 0
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; ------------------------------------------------------------- ;
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ERROR_MESSAGE dd 0
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err_params db "Parameters error",0
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err_file_path db "No input file path",0
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err_read_file db "Read file error",0
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err_mz_not_found db "No DOS signature found",0
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err_pe_not_found db "No PE signature found",0
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err_load_library db "Error load library: ",0
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err_func_not_found db "Not found function: ",0
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; ------------------------------------------------------------- ;
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%if 0 ; comment
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msg_buffer resb 256
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sz_new_line db 10,0
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sz_space db " ",0
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sz_space_colon_space db " : ",0
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%endif ; endcomment
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sz_empty db "",0
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start_:
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; ------------------------------------------------------------- ;
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; find params and file path
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; mov eax, test_file_path
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mov eax, [program.params]
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cmp [eax], byte 34 ; quote
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jne .no_quote
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inc eax
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mov edi, eax
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.find_quote_or_zero:
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cmp [edi], byte 0
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je .found
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cmp [edi], byte 34 ; quote
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je .found
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inc edi
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jmp .find_quote_or_zero
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.no_quote:
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mov edi, eax
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.find_space_or_zero:
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cmp [edi], byte 0
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je .found
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cmp [edi], byte 32 ; space
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je .found
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inc edi
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jmp .find_space_or_zero
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.found:
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mov [edi], byte 0
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mov [file_path], eax
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; check file path
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mov eax, [file_path]
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mov al, [eax]
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test al, al
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jne file_path_ok
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mov [ERROR_MESSAGE], dword err_file_path
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jmp ERROR
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file_path_ok:
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; check MZ signature (IMAGE_DOS_HEADER.e_magic)
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push dword [file_path];filepath
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dec esp
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mov [esp], byte 0
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push dword MZ;buffer
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push dword 2;count
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push dword 0
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push dword 0;position
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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test eax, eax
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je read_ok
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mov [ERROR_MESSAGE], dword err_read_file
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jmp ERROR
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read_ok:
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cmp word [MZ], "MZ"
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je MZ_exists
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mov [ERROR_MESSAGE], dword err_mz_not_found
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jmp ERROR
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MZ_exists:
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; get lfa_new (IMAGE_DOS_HEADER.e_lfanew)
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push dword [file_path];filepath
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dec esp
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mov [esp], byte 0
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push dword lfa_new;buffer
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push dword 4;count
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push dword 0
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push dword 60;position
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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; check PE signature (IMAGE_OPTIONAL_HEADER.Magic)
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push dword [file_path];filepath
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dec esp
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mov [esp], byte 0
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push dword PE;buffer
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push dword 2;count
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push dword 0
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push dword [lfa_new];position
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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cmp word [PE], "PE"
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je PE_exists
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mov [ERROR_MESSAGE], dword err_pe_not_found
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jmp ERROR
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PE_exists:
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; get size of headers (IMAGE_OPTIONAL_HEADER.SizeOfHeaders)
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push dword [file_path];filepath
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dec esp
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mov [esp], byte 0
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push dword SizeOfHeaders;buffer
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push dword 4;count
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push dword 0
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mov eax, [lfa_new]
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add eax, 84
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push eax;position
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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; resize app memory and load headers
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mov eax, IMAGE_BASE
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add eax, [SizeOfHeaders]
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push eax
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call realloc.app.mem
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push dword [file_path];filepath
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dec esp
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mov [esp], byte 0
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push dword IMAGE_BASE;buffer
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push dword [SizeOfHeaders];count
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push dword 0
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push dword 0;position
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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add esp, (25 * 5) ; restore our stack top
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mov edx, [lfa_new]
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; get SizeOfImage (IMAGE_OPTIONAL_HEADER.SizeOfImage)
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mov eax, [IMAGE_BASE + edx + 80]
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mov [SizeOfImage], eax
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; get EntryPoint (IMAGE_OPTIONAL_HEADER.AddressOfEntryPoint)
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mov eax, [IMAGE_BASE + edx + 40]
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mov [EntryPoint], eax
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; get DataDirectories (IMAGE_OPTIONAL_HEADER.DataDirectory)
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lea eax, [edx + 120]
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mov [DataDirectories], eax
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; get SizeOfOptionalHeader (IMAGE_FILE_HEADER.SizeOfOptionalHeader)
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movzx eax, word [IMAGE_BASE + edx + 20]
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mov [SizeOfOptionalHeader], ax
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; get SectionsTable
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lea eax, [edx + 24]
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add ax, [SizeOfOptionalHeader]
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mov [SectionsTable], eax
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; get Import
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mov eax, IMAGE_BASE
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add eax, [DataDirectories]
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add eax, 1 * 8
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mov eax, [eax]
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mov [Import], eax
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; get NumberOfSections (IMAGE_FILE_HEADER.NumberOfSections)
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movzx eax, word [IMAGE_BASE + edx + 6]
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mov [NumberOfSections], eax
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; resize app memory and load sections to their virtual address
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mov eax, IMAGE_BASE
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add eax, [SizeOfImage]
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push eax
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call realloc.app.mem
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mov ecx, [NumberOfSections]
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next_section:
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lea eax, [ecx - 1]
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lea eax, [eax * 4 + eax]
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lea eax, [eax * 8]
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add eax, IMAGE_BASE
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add eax, [SectionsTable]
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push dword [file_path] ; filepath
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dec esp
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mov [esp], byte 0
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mov edx, [eax + 12]
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add edx, IMAGE_BASE
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push edx ; buffer (IMAGE_SECTION_HEADER.VirtualAddress)
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push dword [eax + 16] ; count (IMAGE_SECTION_HEADER.SizeOfRawData)
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push dword 0
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push dword [eax + 20] ; position (IMAGE_SECTION_HEADER.PointerToRawData)
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push dword 0
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mov ebx, esp
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mov eax, 70
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int 64
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dec ecx
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jnz next_section
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mov eax, [NumberOfSections]
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lea eax, [eax * 4 + eax]
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lea eax, [eax * 4 + eax]
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add esp, eax ; restore our stack top
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; ==========================================================
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%if 0 ; comment
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push sz_console
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call load.library
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; mov [console], eax
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mov ecx, eax
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mov ebx, getprocaddress
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push ecx
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push sz_con_init
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call ebx
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mov [con_init], eax
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push ecx
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push sz_con_write_asciiz
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call ebx
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mov [con_write_asciiz], eax
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push ecx
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push sz_con_exit
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call ebx
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mov [con_exit], eax
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push sz_pe_load
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push -1
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push -1
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push -1
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push -1
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call [con_init]
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mov ecx, [NumberOfSections]
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next_sect:
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lea eax, [ecx - 1]
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lea eax, [eax * 4 + eax]
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lea eax, [eax * 8]
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add eax, IMAGE_BASE
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add eax, [SectionsTable]
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push eax
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push eax
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call [con_write_asciiz]
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push sz_space_colon_space
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call [con_write_asciiz]
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pop eax
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add eax, 20
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mov eax, [eax]
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push eax
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push msg_buffer
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call int2str
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push msg_buffer
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call [con_write_asciiz]
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push sz_new_line
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call [con_write_asciiz]
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dec ecx
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jnz next_sect
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|
|
%endif ; endcomment
|
||
|
|
; ==============================================
|
||
|
|
; program.path = program.path_without_filename & "lib/"
|
||
|
|
mov edi, [program.path]
|
||
|
|
xor al, al
|
||
|
|
xor ecx, ecx
|
||
|
|
dec ecx
|
||
|
|
repne scasb
|
||
|
|
std
|
||
|
|
mov al, "/"
|
||
|
|
repne scasb
|
||
|
|
cld
|
||
|
|
inc edi
|
||
|
|
inc edi
|
||
|
|
mov eax, "lib/"
|
||
|
|
stosd
|
||
|
|
;
|
||
|
|
mov [lib_name], edi
|
||
|
|
|
||
|
|
xor ecx, ecx
|
||
|
|
next_descriptor:
|
||
|
|
lea eax, [ecx * 4 + ecx]
|
||
|
|
lea eax, [eax * 4]
|
||
|
|
add eax, IMAGE_BASE
|
||
|
|
add eax, [Import]
|
||
|
|
mov edx, [eax + 12]
|
||
|
|
add edx, IMAGE_BASE
|
||
|
|
|
||
|
|
%if 0 ; comment
|
||
|
|
pushad
|
||
|
|
push edx
|
||
|
|
call [con_write_asciiz]
|
||
|
|
push sz_new_line
|
||
|
|
call [con_write_asciiz]
|
||
|
|
popad
|
||
|
|
%endif ; endcomment
|
||
|
|
|
||
|
|
pushad
|
||
|
|
; concatenate (program.path_without_filename & "lib/") & lib_name
|
||
|
|
mov esi, edx
|
||
|
|
mov edi, [lib_name]
|
||
|
|
.copy_lib_name:
|
||
|
|
lodsb
|
||
|
|
stosb
|
||
|
|
test al, al
|
||
|
|
jnz .copy_lib_name
|
||
|
|
; try to load library
|
||
|
|
push dword [program.path]
|
||
|
|
call load.library
|
||
|
|
test eax, eax
|
||
|
|
jnz .lib_loaded
|
||
|
|
; concatenate "Error load library: " & lib_name
|
||
|
|
sub edi, [lib_name]
|
||
|
|
mov esi, edi
|
||
|
|
mov edi, err_load_library
|
||
|
|
xor al, al
|
||
|
|
xor ecx, ecx
|
||
|
|
dec ecx
|
||
|
|
repne scasb
|
||
|
|
dec edi
|
||
|
|
mov ecx, esi
|
||
|
|
mov esi, edx
|
||
|
|
rep movsb
|
||
|
|
;
|
||
|
|
popad
|
||
|
|
mov [ERROR_MESSAGE], dword err_load_library
|
||
|
|
jmp ERROR
|
||
|
|
.lib_loaded:
|
||
|
|
mov [lib], eax
|
||
|
|
popad
|
||
|
|
xor ebx, ebx
|
||
|
|
next_function:
|
||
|
|
mov edx, [eax + 16]
|
||
|
|
lea esi, [edx + ebx * 4 + IMAGE_BASE]
|
||
|
|
mov [func], esi
|
||
|
|
mov edx, [esi]
|
||
|
|
test edx, edx
|
||
|
|
jz .done
|
||
|
|
inc edx
|
||
|
|
inc edx
|
||
|
|
add edx, IMAGE_BASE
|
||
|
|
|
||
|
|
%if 0 ; comment
|
||
|
|
pushad
|
||
|
|
push edx
|
||
|
|
call [con_write_asciiz]
|
||
|
|
push sz_new_line
|
||
|
|
call [con_write_asciiz]
|
||
|
|
popad
|
||
|
|
%endif ; endcomment
|
||
|
|
|
||
|
|
pushad
|
||
|
|
mov [func_name], edx
|
||
|
|
; look for address of imported function
|
||
|
|
push dword [lib]
|
||
|
|
push edx
|
||
|
|
call getprocaddress
|
||
|
|
test eax, eax
|
||
|
|
jnz .func_found
|
||
|
|
popad
|
||
|
|
; concatenate "Not found function: " & name of function
|
||
|
|
mov edi, err_func_not_found
|
||
|
|
xor al, al
|
||
|
|
xor ecx, ecx
|
||
|
|
dec ecx
|
||
|
|
repne scasb
|
||
|
|
dec edi
|
||
|
|
mov esi, edx
|
||
|
|
.copy_func_name:
|
||
|
|
lodsb
|
||
|
|
stosb
|
||
|
|
test al, al
|
||
|
|
jnz .copy_func_name
|
||
|
|
;
|
||
|
|
dec edi
|
||
|
|
mov eax, " in "
|
||
|
|
stosd
|
||
|
|
|
||
|
|
mov esi, [lib_name]
|
||
|
|
.copy_lib_name:
|
||
|
|
lodsb
|
||
|
|
stosb
|
||
|
|
test al, al
|
||
|
|
jnz .copy_lib_name
|
||
|
|
|
||
|
|
mov [ERROR_MESSAGE], dword err_func_not_found
|
||
|
|
jmp ERROR
|
||
|
|
.func_found:
|
||
|
|
mov edx, [func]
|
||
|
|
mov [edx], eax
|
||
|
|
popad
|
||
|
|
inc ebx
|
||
|
|
jmp next_function
|
||
|
|
.done:
|
||
|
|
|
||
|
|
inc ecx
|
||
|
|
lea eax, [ecx * 4 + ecx]
|
||
|
|
lea eax, [eax * 4]
|
||
|
|
add eax, IMAGE_BASE
|
||
|
|
add eax, [Import]
|
||
|
|
mov eax, [eax + 12]
|
||
|
|
cmp eax, dword 0
|
||
|
|
jnz next_descriptor
|
||
|
|
|
||
|
|
|
||
|
|
; set.current.directory
|
||
|
|
mov edi, [file_path]
|
||
|
|
xor al, al
|
||
|
|
xor ecx, ecx
|
||
|
|
dec ecx
|
||
|
|
repne scasb
|
||
|
|
std
|
||
|
|
mov al, "/"
|
||
|
|
repne scasb
|
||
|
|
cld
|
||
|
|
mov [edi + 1], byte 0
|
||
|
|
push dword [file_path]
|
||
|
|
call set.current.directory
|
||
|
|
mov [edi + 1], byte "/" ; restore full file_path
|
||
|
|
|
||
|
|
; ---------------------- ;
|
||
|
|
; call load_console_lib ;
|
||
|
|
; ---------------------- ;
|
||
|
|
|
||
|
|
; go to EntryPoint
|
||
|
|
mov eax, [EntryPoint]
|
||
|
|
add eax, IMAGE_BASE
|
||
|
|
jmp eax
|
||
|
|
|
||
|
|
|
||
|
|
; push dword [EntryPoint]
|
||
|
|
; push msg_buffer
|
||
|
|
; call int2str
|
||
|
|
; push msg_buffer
|
||
|
|
; call [con_write_asciiz]
|
||
|
|
|
||
|
|
%if 0 ; comment
|
||
|
|
push 0
|
||
|
|
call [con_exit]
|
||
|
|
%endif ; endcomment
|
||
|
|
|
||
|
|
%if 0 ; comment
|
||
|
|
; dump ---------------------------------------
|
||
|
|
push dword dump_path;filepath
|
||
|
|
dec esp
|
||
|
|
mov [esp], byte 0
|
||
|
|
push dword 0 ;buffer
|
||
|
|
mov eax, IMAGE_BASE
|
||
|
|
add eax, [SizeOfImage]
|
||
|
|
push eax;count
|
||
|
|
push dword 0
|
||
|
|
push dword 0;position
|
||
|
|
push dword 2
|
||
|
|
mov ebx, esp
|
||
|
|
mov eax, 70
|
||
|
|
int 64
|
||
|
|
|
||
|
|
|
||
|
|
xor eax, eax
|
||
|
|
dec eax
|
||
|
|
int 64
|
||
|
|
|
||
|
|
dump_path db "/hd3/1/dump.bin",0
|
||
|
|
%endif ; endcomment
|
||
|
|
; ==========================================================
|
||
|
|
|
||
|
|
|
||
|
|
ERROR:
|
||
|
|
|
||
|
|
push sz_console
|
||
|
|
call load.library
|
||
|
|
; mov [console], eax
|
||
|
|
mov ecx, eax
|
||
|
|
mov ebx, getprocaddress
|
||
|
|
push ecx
|
||
|
|
push sz_con_init
|
||
|
|
call ebx
|
||
|
|
mov [con_init], eax
|
||
|
|
push ecx
|
||
|
|
push sz_con_write_asciiz
|
||
|
|
call ebx
|
||
|
|
mov [con_write_asciiz], eax
|
||
|
|
push ecx
|
||
|
|
push sz_con_exit
|
||
|
|
call ebx
|
||
|
|
mov [con_exit], eax
|
||
|
|
|
||
|
|
push sz_pe_load
|
||
|
|
push -1
|
||
|
|
push -1
|
||
|
|
push -1
|
||
|
|
push -1
|
||
|
|
call [con_init]
|
||
|
|
push dword [ERROR_MESSAGE]
|
||
|
|
call [con_write_asciiz]
|
||
|
|
push 0
|
||
|
|
call [con_exit]
|
||
|
|
|
||
|
|
xor eax, eax
|
||
|
|
dec eax
|
||
|
|
int 64
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
; load_console_lib:
|
||
|
|
; push sz_console
|
||
|
|
; call load.library
|
||
|
|
|
||
|
|
; push eax
|
||
|
|
; push sz_con_init
|
||
|
|
; call getprocaddress
|
||
|
|
; mov [con_init], eax
|
||
|
|
|
||
|
|
; push sz_empty
|
||
|
|
; push -1
|
||
|
|
; push -1
|
||
|
|
; push -1
|
||
|
|
; push -1
|
||
|
|
; call [con_init]
|
||
|
|
|
||
|
|
; ret
|